Check with your doctor immediately if any of the following side effects occur: bloating or swelling of the face, arms, hands, lower legs, or feet. bloody or cloudy urine. difficult, burning, or painful urination. numbness or tingling in the hands, feet, or lips. unusual tiredness or weakness.May 31, 2018 · When we take antibiotics, there is a very good chance that the medication will be able to kill some of these beneficial bacteria found in our intestines. [ 3 ] Typically, this is just a minor change and after a patient stops taking the antibiotic, it is likely that the healthy flora in the intestines will return to normal proportions over time. Many antibiotics cause stomach upset or other gastrointestinal side effects. These can include: nausea. vomiting. cramps. diarrhea. Macrolide antibiotics, cephalosporins, penicillins, and ...Be especially careful to replenish your beneficial gut bacteria after a course of antibiotics (read my article about 3 things you should do after taking antibiotics). If probiotic food doesn’t do it for you, get a good probiotic supplement. Drink lots of water and stay hydrated. Exercise daily. Here is a short video on what your poop says ...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. 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 ...Sep 3, 2023 · 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 ... 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. 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.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). 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). Oct 12, 2022 · 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 ... Dec 14, 2022 · Watery diarrhea. Stomach cramps, pain or tenderness. Fever. Pus or mucus in the stool. Nausea. Dehydration. Symptoms of pseudomembranous colitis can begin as soon as 1 to 2 days after you start taking an antibiotic, or as long as several months or longer after you finish taking the antibiotic. 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 ...Jan 8, 2022 · 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 ... 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 ...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.Aug 1, 2023 · Ciprofloxacin may cause diarrhea, and in some cases it can be severe. It may occur 2 months or more after you or your child stop taking this medicine. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. 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 ...8. Hallucinations, Psychotic Reactions and Tendon Ruptures. Recently, a class of antibiotics called fluoroquinolones have been making headlines as experts expect that they can damage mitochondria and cause irreversible nerve damage. Researchers are now trying to figure out why. ( 18) Fluoroquinolones have been associated with troubling side ...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 ...Antibiotic-associated diarrhea is defined as having loose, watery stools three or more times per day while taking antibiotics. This may begin about a week after starting antibiotics.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 ...Nov 19, 2019 · Antibiotic-associated diarrhea is defined as having loose, watery stools three or more times per day while taking antibiotics. This may begin about a week after starting antibiotics. 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 ...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 ... Heart 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) Over time, these pouches can push through your bowel wall, causing rectal bleeding, abdominal pain, and a change in bowel habits. The first-line treatment for diverticulitis is antibiotics; however, more severe cases may need IV antibiotics or fluids. Anal Fissures. Anal fissures can also cause bright red blood in the stool.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.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.Jan 14, 2015 · Be especially careful to replenish your beneficial gut bacteria after a course of antibiotics (read my article about 3 things you should do after taking antibiotics). If probiotic food doesn’t do it for you, get a good probiotic supplement. Drink lots of water and stay hydrated. Exercise daily. Here is a short video on what your poop says ... 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 ...Clostridioides difficile (klos-TRID-e-oi-deez dif-uh-SEEL) is a bacterium that causes an infection of the large intestine (colon). Symptoms can range from diarrhea to life-threatening damage to the colon. The bacterium is often referred to as C. difficile or C. diff. Illness from C. difficile typically occurs after use of antibiotic medications. 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 ...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 ... 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.Antibiotics & black stool. countryrose. I am wondering if anyone else gets black stool after treatment with antibiotics (cipro, zithromax). I took these for a mild UTI, and I had severe constipation too. Yesterday, my stool had normal texture, but it was almost black. I did take acidophilous during the antibiotic treatment.Sep 3, 2023 · 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 ... Stinging and burning in the anus from anal fissure. One of the most common causes of itching and burning in the anus after defecation is anal fissure. This is a wound or tears in the anal mucosa, usually due to constipation, prolonged diarrhea reduced blood flow to the area, or childbirth. Among its most characteristic symptoms is intense pain ...When in doubt, always consult your veterinarian. There are many reasons why a dog may develop loose stools, but most of the time, dog diarrhea is caused by: Dietary indiscretion: Eating too much ...Jan 8, 2022 · 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 ... Clostridioides difficile (klos-TRID-e-oi-deez dif-uh-SEEL) is a bacterium that causes an infection of the large intestine (colon). Symptoms can range from diarrhea to life-threatening damage to the colon. The bacterium is often referred to as C. difficile or C. diff. Illness from C. difficile typically occurs after use of antibiotic medications.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.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 ...You should plan to stop taking your blood thinner temporarily before your procedure, but only if it is safe to do so. Please contact the doctor who prescribes your blood thinner to discuss whether it is safe to stop, and when to stop. Our physicians will tell you when to resume your medication after your procedure is finished. I take iron pills.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’.Stinging and burning in the anus from anal fissure. One of the most common causes of itching and burning in the anus after defecation is anal fissure. This is a wound or tears in the anal mucosa, usually due to constipation, prolonged diarrhea reduced blood flow to the area, or childbirth. Among its most characteristic symptoms is intense pain ...Many antibiotics cause stomach upset or other gastrointestinal side effects. These can include: nausea. vomiting. cramps. diarrhea. Macrolide antibiotics, cephalosporins, penicillins, and ...Apr 16, 2020 · 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 ... Antibiotics & black stool. countryrose. I am wondering if anyone else gets black stool after treatment with antibiotics (cipro, zithromax). I took these for a mild UTI, and I had severe constipation too. Yesterday, my stool had normal texture, but it was almost black. I did take acidophilous during the antibiotic treatment.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 ... Pediatric. Doxycycline may cause permanent discoloration of the teeth and slow down the growth of bones. This medicine should not be given to children 8 years of age and younger (except for the treatment of exposure to inhalational anthrax or rickettsia infection), unless directed by the child's doctor. Geriatric.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. Takeaway. Poop can turn green for many reasons, including a diet rich in high chlorophyll plants. Other possible causes include antibiotic use and bacterial infections. Poop is generally brown ...Apr 16, 2020 · 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 ... May 25, 2023 · 3) Eating a Ton of Green Veggies or Fruit. The food you eat may also cause your poop to turn green. Fruits and vegetables that are green in color, like kiwi or kale, contain chlorophyll, the ... 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 ...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. Aug 1, 2023 · Pediatric. Doxycycline may cause permanent discoloration of the teeth and slow down the growth of bones. This medicine should not be given to children 8 years of age and younger (except for the treatment of exposure to inhalational anthrax or rickettsia infection), unless directed by the child's doctor. Geriatric. Doctors say that melena is the name for stools that are jet black and have a distinct stickiness to them. The color of stool, whether is it jet-black poop or stools that have red blood on them can indicate where bleeding occurs. 6. Blood that is old turns black and upper intestinal bleeding will cause black stool or black vomit.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.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.diarrhea, watery and severe, which may also be bloody. difficulty with swallowing. dizziness. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position. dry mouth. fast heartbeat. fever with or without chills. general feeling of tiredness or weakness. headache.Mar 30, 2022 · Over time, these pouches can push through your bowel wall, causing rectal bleeding, abdominal pain, and a change in bowel habits. The first-line treatment for diverticulitis is antibiotics; however, more severe cases may need IV antibiotics or fluids. Anal Fissures. Anal fissures can also cause bright red blood in the stool. 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. 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’. Jan 9, 2023 · 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 ... Nov 19, 2019 · Antibiotic-associated diarrhea is defined as having loose, watery stools three or more times per day while taking antibiotics. This may begin about a week after starting antibiotics. 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 ... 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. 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...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 ... 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.Many antibiotics cause stomach upset or other gastrointestinal side effects. These can include: nausea. vomiting. cramps. diarrhea. Macrolide antibiotics, cephalosporins, penicillins, and ...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... 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 ...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 ... 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 .... Omaha world herald today
When in doubt, always consult your veterinarian. There are many reasons why a dog may develop loose stools, but most of the time, dog diarrhea is caused by: Dietary indiscretion: Eating too much ...A blood test. A blood test can identify infections and other conditions that may cause proctitis. It can also indicate blood loss or an excess of white blood cells. A stool test. A healthcare provider may test a sample of your poop for evidence of infection, bleeding or an excess of white blood cells. A rectal culture. For this test, a ...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 ...Over time, these pouches can push through your bowel wall, causing rectal bleeding, abdominal pain, and a change in bowel habits. The first-line treatment for diverticulitis is antibiotics; however, more severe cases may need IV antibiotics or fluids. Anal Fissures. Anal fissures can also cause bright red blood in the stool.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 ... Be especially careful to replenish your beneficial gut bacteria after a course of antibiotics (read my article about 3 things you should do after taking antibiotics). If probiotic food doesn’t do it for you, get a good probiotic supplement. Drink lots of water and stay hydrated. Exercise daily. Here is a short video on what your poop says ...Aug 4, 2015 · A blood chemistry panel; Complete blood cell count; Urinalysis; Urine culture and antibiotic sensitivity testing; Abdominal X-rays and/or ultrasound; Appropriate treatment will depend on the results of these tests and the eventual diagnosis. Some of the more common disorders that cause hematuria in dogs are: 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. Antibiotic-associated diarrhea is defined as having loose, watery stools three or more times per day while taking antibiotics. This may begin about a week after starting antibiotics.Antibiotic-associated diarrhea is defined as having loose, watery stools three or more times per day while taking antibiotics. This may begin about a week after starting antibiotics.Pediatric. Doxycycline may cause permanent discoloration of the teeth and slow down the growth of bones. This medicine should not be given to children 8 years of age and younger (except for the treatment of exposure to inhalational anthrax or rickettsia infection), unless directed by the child's doctor. Geriatric.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 ... Feb 8, 2023 · Infectious colitis. Infectious colitis is an infection of the colon caused by bacteria, viruses, or parasites. The inflammation can cause bloody and/or mucousy diarrhea. Other possible symptoms include: Fever. The feeling that you need to pass stools when your bowels are already empty. Abdominal pain. Aug 4, 2015 · A blood chemistry panel; Complete blood cell count; Urinalysis; Urine culture and antibiotic sensitivity testing; Abdominal X-rays and/or ultrasound; Appropriate treatment will depend on the results of these tests and the eventual diagnosis. Some of the more common disorders that cause hematuria in dogs are: Jan 14, 2015 · Be especially careful to replenish your beneficial gut bacteria after a course of antibiotics (read my article about 3 things you should do after taking antibiotics). If probiotic food doesn’t do it for you, get a good probiotic supplement. Drink lots of water and stay hydrated. Exercise daily. Here is a short video on what your poop says ... 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 14, 2022 · Watery diarrhea. Stomach cramps, pain or tenderness. Fever. Pus or mucus in the stool. Nausea. Dehydration. Symptoms of pseudomembranous colitis can begin as soon as 1 to 2 days after you start taking an antibiotic, or as long as several months or longer after you finish taking the antibiotic. May 25, 2023 · 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. .