Common symptoms of proctitis include. tenesmus, which means feeling a constant urge to have a bowel movement even though your bowel may be empty. an urgent need to have a bowel movement. diarrhea or constipation. cramping and pain in your anus, rectum, or the left side of your abdomen, which may occur during bowel movements.Signs of allergic reactions range from mild to severe and may occur immediately after taking the antibiotic (anaphylaxis) or later on. During an allergic reaction, dogs may experience one or more of the following signs: Swelling of face or muzzle. Skin rash or hives. Difficulty breathing.Mar 9, 2016 · Dogs that have antibiotic-responsive diarrhea over time have an increase in the serum folate. If the levels look higher than normal after testing is complete, this may help the veterinarian in the diagnosis. Research is still being conducted on antibiotic-responsive diarrhea and the difficulty of diagnosing this disorder. The side effects of novobiocin include blood disorders, fever or diarrhea. Please note that there are also some contraindications when using different types of antibiotics. For instance, pregnant cats, kittens or felines with diabetes or a kidney problem should take antibiotics with great caution. Read the labels carefully and consult your vet ...Jan 28, 2022 · During pregnancy. In babies and children. Summary. Green stool, also referred to as green poop or green feces, can be a temporary condition that results from eating certain foods or taking specific medications or supplements. Green stool happens when feces has a green coloring or tint. The usual color of feces is light to dark brown. Yes: About one third of the solid matter in stool is dead bacteria. Also, the actions of bacteria on bilirubin influences the color of stool. We have trillions of bacteria in our intestines and antibiotics kill many of these bacteria, influencing the color of our stool. I advise taking probiotic supplements both during and after taking ...Medication intoxication. Dehydration. Kidney dysfunction. 3. Rapid Heartbeat. A rapid heartbeat – sometimes called tachycardia – should always be considered a veterinary emergency. In fact ...Nov 14, 2022 · sweating. swelling of the face, ankles, hands, feet, or lower legs. tender, swollen glands in the neck. trouble with sleeping. trouble with swallowing. unpleasant breath odor. unusual bleeding or bruising. unusual tiredness or weakness. upper right abdominal or stomach pain. Treatment usually involves taking antibiotics for 4 to 12 weeks. This type of prostatitis is hard to treat and the infection may come back. If antibiotics don’t work in 4 to 12 weeks, you may need to take a low dose of antibiotics for a while. Rarely, you may need surgery to remove part or all of the prostate. Rectal Bleeding What is rectal bleeding? Looking down into a toilet and seeing blood in your stool (poop) can be alarming. Your mind might go to many places as warning bells ring that something’s wrong. Rectal bleeding is a symptom of many different conditions, some more serious than others.Bright red blood coming from the rectum: This most commonly appears during a bowel movement or right after. Pressure or discomfort in the rectum; Black or maroon stools: If the blood is coming from higher up in the intestine contained within the stools, the stools will appear black or maroon in color.Duration of symptomsThis effect is normal, and does not mean there is blood in your poop. The phenomenon occurs when iron that has not been absorbed in your gut mixes with the microbiome in your digestive tract, causing your stool to turn a black color. While black-looking stool is common with iron supplements, black and tarry stool is not.Colitis. Colitis means inflammation in your colon, where digested food becomes poop. Inflammation in your colon can make your poop more urgent, painful, runny or bloody. You can get temporary colitis from an infection. Some people have chronic colitis. Symptoms and Causes. Diagnosis and Tests. Management and Treatment.Rectal Bleeding What is rectal bleeding? Looking down into a toilet and seeing blood in your stool (poop) can be alarming. Your mind might go to many places as warning bells ring that something’s wrong. Rectal bleeding is a symptom of many different conditions, some more serious than others. In many cases, the signs of a urinary tract infection do start to improve significantly after 24-48 hours on antibiotics, but not in all cases. Some UTIs can have complicating factors, such as the bacteria causing the infection could be resistant to the initial antibiotic choice, or bladder stones are also present and are irritating the bladder ... Jan 6, 2022 · Hard stools. Hemorrhoids (swollen and inflamed veins in your anus or rectum) Less common causes of rectal bleeding include: Anal cancer. Angiodysplasia (abnormalities in the blood vessels near the intestines) Colon cancer. Colon polyps. Crohn's disease. Diarrhea. Literature Review. Red stools from cefdinir are described in the package insert 1 but only 3 cases are reported in the medical literature. 3–5 A search of Medline, 1996 to present, using the MESH search terms “cefdinir,” “adverse effects,” and/or “drug/food interactions” and search terms “red stool” or “maroon stool” revealed only 1 published case report of red stools ...Aug 30, 2021 · Little by little, the consistency of the dog’s stools should improve. All in all, it will be at least a couple of days until the dog starts feeling OK. In most cases, vets put dogs on a 5-10 days course of antibiotics to treat diarrhea. If the situation is really severe, the vet might prescribe 14 days of metronidazole. Avoid straining too hard when you poop while your body is recovering. Use a stool softener if you’re having trouble passing a bowel movement. Do not have sex or masturbate for the first 48 hours ...Common causes of rectal bleeding. Hemorrhoids. It’s normal for everyone to have hemorrhoids inside and outside of their anus, and there are several reasons they may become irritated. If you ...Signs of allergic reactions range from mild to severe and may occur immediately after taking the antibiotic (anaphylaxis) or later on. During an allergic reaction, dogs may experience one or more of the following signs: Swelling of face or muzzle. Skin rash or hives. Difficulty breathing.May 10, 2019 · Comments for Dog’s recurring diarrhea after multiple antibiotics treatments. For Max to have suffered for so long with diarrhea, which I suspect is from colitis, (inflammation of the colon), it was probably triggered by a reaction to vaccines. Irritable or Inflammatory Bowel Disease can be immune mediated, secondary to ‘vaccinosis’. Takeaway. Black stool can result when a person eats certain foods, such as licorice or takes iron supplements. Black, tarry stools are usually a sign of gastrointestinal bleeding, due, for ...Bright red blood coming from the rectum: This most commonly appears during a bowel movement or right after. Pressure or discomfort in the rectum; Black or maroon stools: If the blood is coming from higher up in the intestine contained within the stools, the stools will appear black or maroon in color.Duration of symptomsHeart problems. Fluoroquinolone antibiotics can cause serious side effects in people who are at risk of heart valve problems. Stop taking fluoroquinolone treatment straight away and see your GP if you get a serious side effect including: swollen ankles, feet and legs (oedema) new heart palpitations (heartbeats that suddenly become more noticeable)Jan 6, 2022 · Hard stools. Hemorrhoids (swollen and inflamed veins in your anus or rectum) Less common causes of rectal bleeding include: Anal cancer. Angiodysplasia (abnormalities in the blood vessels near the intestines) Colon cancer. Colon polyps. Crohn's disease. Diarrhea. During pregnancy. In babies and children. Summary. Green stool, also referred to as green poop or green feces, can be a temporary condition that results from eating certain foods or taking specific medications or supplements. Green stool happens when feces has a green coloring or tint. The usual color of feces is light to dark brown.May 3, 2019 · Takeaway. Black stool can result when a person eats certain foods, such as licorice or takes iron supplements. Black, tarry stools are usually a sign of gastrointestinal bleeding, due, for ... An antibiotic side effect occurs as an unwanted reaction that occurs in addition to the desirable therapeutic action of the antibiotic you are taking. Side effects of antibiotics can range from mild allergic reactions to severe and debilitating adverse events. When used appropriately, most antibiotics are relatively safe with few side effects. Colitis. Colitis means inflammation in your colon, where digested food becomes poop. Inflammation in your colon can make your poop more urgent, painful, runny or bloody. You can get temporary colitis from an infection. Some people have chronic colitis. Symptoms and Causes. Diagnosis and Tests. Management and Treatment.Hemorrhoids are enlarged veins in anal area, they look like a pinkish/bluish clumps of mucosa. You can see and feel external hemorrhoids. They may be painfull, like after prolonged sitting, they often itch, and often bleed when you strain. Internal hemorrhoids are not seen from outside, are usually not painfull, but can cause thin stools.Oct 19, 2022 · Avoid straining too hard when you poop while your body is recovering. Use a stool softener if you’re having trouble passing a bowel movement. Do not have sex or masturbate for the first 48 hours ... Aug 12, 2023 · This effect is normal, and does not mean there is blood in your poop. The phenomenon occurs when iron that has not been absorbed in your gut mixes with the microbiome in your digestive tract, causing your stool to turn a black color. While black-looking stool is common with iron supplements, black and tarry stool is not. Comments for Dog’s recurring diarrhea after multiple antibiotics treatments. For Max to have suffered for so long with diarrhea, which I suspect is from colitis, (inflammation of the colon), it was probably triggered by a reaction to vaccines. Irritable or Inflammatory Bowel Disease can be immune mediated, secondary to ‘vaccinosis’.Pseudomembranous colitis. Pseudomembranous colitis refers to swelling or inflammation of the large intestine (colon) due to an overgrowth of Clostridioides difficile ( C difficile) bacteria. This infection is a common cause of diarrhea after antibiotic use. Not all cases of diarrhea associated with antibiotic use are due to C difficile or will ...Dec 21, 2020 · Side Effect #4: Vomiting. Sometimes children may throw up a dose of the antibiotics. If this happens once or twice, don’t worry. It’s probably just an aversion to the taste. Repeat the dose – if you child throws it up with 15 minutes of taking it. Contact your doctor if this continues more than three times. You have bowel movement or foul-smelling discharge leaking from your vagina or in your urine. You have severe diarrhea. You urinate less than usual or not at all. You are not able to have a bowel movement. You cannot stop vomiting. You have severe abdominal pain, a fever, and your abdomen is larger than usual. You have new or increased blood in ...Literature Review. Red stools from cefdinir are described in the package insert 1 but only 3 cases are reported in the medical literature. 3–5 A search of Medline, 1996 to present, using the MESH search terms “cefdinir,” “adverse effects,” and/or “drug/food interactions” and search terms “red stool” or “maroon stool” revealed only 1 published case report of red stools ...Welcome to the gastroenterology community! Antibiotics often have diarrhea as a side effect, or this could be something like C Diff. However the black stool is concerning and this would make me think this is more likely to be C Diff. I would recommend seeing your doctor about this. Helpful - 0.Give S Boulardii Probiotic Yeast For Diarrhea. Saccharomyces boulardii is a probiotic yeast. It’s been shown to be highly effective in resolving dog diarrhea after antibiotics. S. boulardii treats acute and chronic diarrhea in humans … and research iin dogs shows the same results (11).Welcome to the gastroenterology community! Antibiotics often have diarrhea as a side effect, or this could be something like C Diff. However the black stool is concerning and this would make me think this is more likely to be C Diff. I would recommend seeing your doctor about this. Helpful - 0.puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue. rash. red, irritated eyes. redness, soreness, or itching skin. shortness of breath. sore throat. sores, ulcers, or white spots in the mouth or on the lips. sores, welting, or blisters. sudden decrease in the amount of urine.Jul 28, 2023 · The appearance of your stool. Whether you have any of the signs of dehydration — a very dry mouth, intense thirst, decreased urination, extreme weakness. Whether there is blood in your stool. If you have additional worrisome symptoms, such as fever or abdominal pain. In most cases, your doctor can diagnose antibiotic-associated diarrhea based ... Blood in stool is found among people who take Amoxicillin, especially for people who are female, 40-49 old, have been taking the drug for < 1 month. The phase IV clinical study analyzes which people take Amoxicillin and have Blood in stool. It is created by eHealthMe based on reports of 82,247 people who have side effects when taking ...For most people, antibiotic-associated diarrhea causes mild signs and symptoms, such as: Loose stools. More-frequent bowel movements. Antibiotic-associated diarrhea is likely to begin about a week after you start taking an antibiotic. Sometimes, however, diarrhea and other symptoms don't appear until days or even weeks after you've finished ... Belly Pain or Discomfort. This is the most common side effect of colonoscopy. You might feel cramping or bloating afterward. Your doctor may use air to inflate your colon so they can get a better ...Nov 23, 2021 · Signs of allergic reactions range from mild to severe and may occur immediately after taking the antibiotic (anaphylaxis) or later on. During an allergic reaction, dogs may experience one or more of the following signs: Swelling of face or muzzle. Skin rash or hives. Difficulty breathing. Oct 21, 2021 · If you suspect your dog has AHDS, take them to the vet immediately. Symptoms of Gastroenteritis in Dogs . Take your dog to the emergency vet if you see the signs of AHDS: Sudden onset of bloody diarrhea with no known cause, such as a change in diet. Vomiting, with or without blood. Lethargy (moving slowly, sluggish) According to gastroenterologist Dr. Jay Markes, symptoms of blood in poop can include: 2. Dizziness or lightheadedness if a person is passing a lot of blood in stool. Abdominal pain or discomfort if the rectal bleeding is associated with a gastrointestinal problem. Spots of blood on underwear.Apr 12, 2023 · Among the more common side effects for amoxicillin (Amoxil) are: diarrhea. stomach upset. headache. abnormal taste sense. skin rash. vaginal yeast infection. Less common side effects include ... Mar 27, 2022 · Treatment. Generally speaking, antibiotic-associated diarrhea will improve once the course of antibiotics is completed. Sometimes it may be necessary to switch to another antibiotic if the symptoms are intolerable. To prevent dehydration, drink plenty of water (around eight to ten 8-ounce glasses per day) with an occasional sports drink to ... Many antibiotics cause stomach upset or other gastrointestinal side effects. These can include: nausea. vomiting. cramps. diarrhea. Macrolide antibiotics, cephalosporins, penicillins, and ...Secondary Constipation. People often experience some form of digestive distress after taking oral medications such as blood-pressure drugs, anticholinergics, opioids, antispasmodics, antacids, and antibiotics. Some of these drugs hamper the nerve and muscle function in the large intestine, while others disrupt the gut flora.Bloody diarrhea. Weight loss. Mouth sores. Joint pains. Inflammatory bowel disease (IBD) is inflammation of the bowel. There are two types: Crohn’s disease and ulcerative colitis. It is due to multiple factors, including genetics, the environment, and your body’s immune system. Symptoms may develop gradually or occur suddenly.This is a simple test that your pediatrician should be able to do in their office (stool guaiac test). If the stool test doesn't show any blood in the red stools, then you can likely continue the Omnicef. Since Omnicef is becoming more widely used because of its good taste, once a day dosing, and effectiveness against stubborn ear infections ...Feb 25, 2015 · Nancy C. Caralla, Founder & Executive Director of the C Diff Foundation. Nancy C. Caralla is a three time C. difficile infection survivor who has 23 years’ experience in the nursing profession blended with over 25 years experience in international construction management. Over the past two years, Nancy in partnership with Foundation members ... Secondary Constipation. People often experience some form of digestive distress after taking oral medications such as blood-pressure drugs, anticholinergics, opioids, antispasmodics, antacids, and antibiotics. Some of these drugs hamper the nerve and muscle function in the large intestine, while others disrupt the gut flora.This section lists a few of the possible reasons. 1. Viral or bacterial illnesses. Viral or bacterial infections and parasitic infections can affect digestion and cause foul-smelling stool or ...For most people, antibiotic-associated diarrhea causes mild signs and symptoms, such as: Loose stools. More-frequent bowel movements. Antibiotic-associated diarrhea is likely to begin about a week after you start taking an antibiotic. Sometimes, however, diarrhea and other symptoms don't appear until days or even weeks after you've finished ...So last Friday she gave me some of her Super Colon Cleanse (about 3/4-5/8 of a scoop/serving) mixed with Metamucil in a water bottle. And I drunk half the mixture. I still haven’t stopped pooping. I’m pooping for hours again, just like with c.diff. No blood this time though. And the stool is pellet like. I keep waking up to poop, or try to ...An antibiotic side effect occurs as an unwanted reaction that occurs in addition to the desirable therapeutic action of the antibiotic you are taking. Side effects of antibiotics can range from mild allergic reactions to severe and debilitating adverse events. When used appropriately, most antibiotics are relatively safe with few side effects.Mar 27, 2022 · Treatment. Generally speaking, antibiotic-associated diarrhea will improve once the course of antibiotics is completed. Sometimes it may be necessary to switch to another antibiotic if the symptoms are intolerable. To prevent dehydration, drink plenty of water (around eight to ten 8-ounce glasses per day) with an occasional sports drink to ... Mar 28, 2023 · March 28, 2023, at 9:30 a.m. | This article is based on reporting that features expert sources. Gut Health Recovery from Antibiotics When bacterial illnesses strike – whether it's a bacterial ear... Literature Review. Red stools from cefdinir are described in the package insert 1 but only 3 cases are reported in the medical literature. 3–5 A search of Medline, 1996 to present, using the MESH search terms “cefdinir,” “adverse effects,” and/or “drug/food interactions” and search terms “red stool” or “maroon stool” revealed only 1 published case report of red stools ... Literature Review. Red stools from cefdinir are described in the package insert 1 but only 3 cases are reported in the medical literature. 3–5 A search of Medline, 1996 to present, using the MESH search terms “cefdinir,” “adverse effects,” and/or “drug/food interactions” and search terms “red stool” or “maroon stool” revealed only 1 published case report of red stools ...Stomach pain, cramping, or tenderness. In more serious infections, there may be blood or pus in the stool. This can happen because C. diff can cause the colon -- also called the large intestine ...So, I have had to take antibiotics quite often to fight this infections. One of the side effects could be loose stomach or constipation, that could last up to six months after taking the antibiotic. So her doctor is right: it will take care of itself with time. Just eat healthy and be patient.Aug 11, 2021 · Risk factors Complications Prevention Overview Antibiotic-associated diarrhea refers to passing loose, watery stools three or more times a day after taking medications used to treat bacterial infections (antibiotics). About 1 in 5 people who take antibiotics develop antibiotic-associated diarrhea. Mar 28, 2023 · March 28, 2023, at 9:30 a.m. | This article is based on reporting that features expert sources. Gut Health Recovery from Antibiotics When bacterial illnesses strike – whether it's a bacterial ear... Bright red blood coming from the rectum: This most commonly appears during a bowel movement or right after. Pressure or discomfort in the rectum; Black or maroon stools: If the blood is coming from higher up in the intestine contained within the stools, the stools will appear black or maroon in color.Duration of symptomsStomach pain, cramping, or tenderness. In more serious infections, there may be blood or pus in the stool. This can happen because C. diff can cause the colon -- also called the large intestine ...This effect is normal, and does not mean there is blood in your poop. The phenomenon occurs when iron that has not been absorbed in your gut mixes with the microbiome in your digestive tract, causing your stool to turn a black color. While black-looking stool is common with iron supplements, black and tarry stool is not.However, the researchers state that the gut microbiota of the subjects recovered—‘almost’ to original levels—within 1.5 months. It’s important to note, though, that nine common species, which were present in all subjects before the treatment, remained undetectable in most of the subjects after 180 days (Source: DX DOI). Mar 28, 2023 · March 28, 2023, at 9:30 a.m. | This article is based on reporting that features expert sources. Gut Health Recovery from Antibiotics When bacterial illnesses strike – whether it's a bacterial ear... A burning sensation around the anus is an uncomfortable symptom that can have many different causes, such as hemorrhoids, anal tears, or irritation from traces of stool. Anal burning and itching can be painful and interfere with work or daily activities. It occurs in up to 5% of the population, affects men more than women, and is more commonly ...1. Hemorrhoids Hemorrhoids are inflamed anal blood vessels. They may develop on the outside or inside of the anus, appearing as small bumps that could occasionally bleed during bowel movements or...Possible causes of blood in the stool include: Inflammatory bowel disease (IBD). If you have bloody diarrhea and pain that goes on for weeks, along with weight loss, IBD might be the reason. This ... I’m 38 and have this exact symptom. Sometimes blood droplets in the bowl, sometimes just blood on the tp after wiping. Has been going on for about 5 years. Comes and goes. Sometimes can go a year or more with no sign of blood, then it happens for a month, then disappears. Figured it was fissures/hemaroids from abnormally hard stool due to a ...Welcome to the gastroenterology community! Antibiotics often have diarrhea as a side effect, or this could be something like C Diff. However the black stool is concerning and this would make me think this is more likely to be C Diff. I would recommend seeing your doctor about this. Helpful - 0.Little by little, the consistency of the dog’s stools should improve. All in all, it will be at least a couple of days until the dog starts feeling OK. In most cases, vets put dogs on a 5-10 days course of antibiotics to treat diarrhea. If the situation is really severe, the vet might prescribe 14 days of metronidazole.Colitis. Colitis means inflammation in your colon, where digested food becomes poop. Inflammation in your colon can make your poop more urgent, painful, runny or bloody. You can get temporary colitis from an infection. Some people have chronic colitis. Symptoms and Causes. Diagnosis and Tests. Management and Treatment. Digestive symptoms. A person may experience gas and bloating when first using probiotics. When first using probiotics, some people experience gas, bloating, or diarrhea. Changes in the gut ...Blood in urine: You may have blood in the urine for several days if you have a bladder infection. It is important to see if it is decreasing on antibiotics (A). If it... Read More. Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help.
Dec 21, 2020 · Side Effect #4: Vomiting. Sometimes children may throw up a dose of the antibiotics. If this happens once or twice, don’t worry. It’s probably just an aversion to the taste. Repeat the dose – if you child throws it up with 15 minutes of taking it. Contact your doctor if this continues more than three times. . Ann margret
By Dr. Jennifer Coates, DVM. If your dog has been diagnosed with hematuria (blood in the urine), this is what you can expect to happen next. Medication: Your veterinarian may prescribe any of a number of medications (e.g., antibiotics or urinary acidifiers) depending on the underlying cause of your dog’s hematuria.Blood in stool is found among people who take Amoxicillin, especially for people who are female, 40-49 old, have been taking the drug for < 1 month. The phase IV clinical study analyzes which people take Amoxicillin and have Blood in stool. It is created by eHealthMe based on reports of 82,247 people who have side effects when taking ... In many cases, the signs of a urinary tract infection do start to improve significantly after 24-48 hours on antibiotics, but not in all cases. Some UTIs can have complicating factors, such as the bacteria causing the infection could be resistant to the initial antibiotic choice, or bladder stones are also present and are irritating the bladder ... Mar 27, 2022 · Treatment. Generally speaking, antibiotic-associated diarrhea will improve once the course of antibiotics is completed. Sometimes it may be necessary to switch to another antibiotic if the symptoms are intolerable. To prevent dehydration, drink plenty of water (around eight to ten 8-ounce glasses per day) with an occasional sports drink to ... puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue. rash. red, irritated eyes. redness, soreness, or itching skin. shortness of breath. sore throat. sores, ulcers, or white spots in the mouth or on the lips. sores, welting, or blisters. sudden decrease in the amount of urine.Nov 14, 2022 · sweating. swelling of the face, ankles, hands, feet, or lower legs. tender, swollen glands in the neck. trouble with sleeping. trouble with swallowing. unpleasant breath odor. unusual bleeding or bruising. unusual tiredness or weakness. upper right abdominal or stomach pain. Some bacteria produce vitamin K, which the body needs to make the blood clot. To reduce the impact of antibiotics on vitamin K levels, people can eat: kale. spinach. turnip greens. collards. Swiss ...Inflammatory bowel disease. Foreign bodies that have been ingested. Drugs or toxins. Infections. She notes that there are different types of infections that result in a dog pooping blood, such as bacterial, viral (including parvo) or fungal. And, there are several different types of parasites that can cause blood in dog stool, says Dr. Peacock.Common symptoms of proctitis include. tenesmus, which means feeling a constant urge to have a bowel movement even though your bowel may be empty. an urgent need to have a bowel movement. diarrhea or constipation. cramping and pain in your anus, rectum, or the left side of your abdomen, which may occur during bowel movements.Advertisement. After taking antibiotics, it is important to take probiotics and eat the proper foods to prevent gastrointestinal upset and help restore gut flora. A course of antibiotics can upset the delicate flora in your gut because they destroy both the bad and good bacteria. Foods like plain yogurt, bananas, and whole-grain cereals help to ...Belly Pain or Discomfort. This is the most common side effect of colonoscopy. You might feel cramping or bloating afterward. Your doctor may use air to inflate your colon so they can get a better ...Blood in or on the stools. Change in bowel habits (pooping more or less frequently) Constipation. Diarrhea. Fatigue. Growths in the anal canal. Pain, irritation, or itching in the anal area. Unintended weight loss. Treatments for colon and rectal cancer can include surgery, radiation, chemotherapy, or immunotherapy.Jun 27, 2022 · Give S Boulardii Probiotic Yeast For Diarrhea. Saccharomyces boulardii is a probiotic yeast. It’s been shown to be highly effective in resolving dog diarrhea after antibiotics. S. boulardii treats acute and chronic diarrhea in humans … and research iin dogs shows the same results (11). Pseudomembranous colitis. Pseudomembranous colitis refers to swelling or inflammation of the large intestine (colon) due to an overgrowth of Clostridioides difficile ( C difficile) bacteria. This infection is a common cause of diarrhea after antibiotic use. Not all cases of diarrhea associated with antibiotic use are due to C difficile or will ....