Irritable Bowel Syndrome   Conditions with Similar Symptoms View Conditions   Drug Monographs Amitriptyline Antidiarrheal Drugs Gastrointestinal Antispasmodic Agent Simethicone   Herb Monographs Flaxseed Ginger Marshmallow Milk Thistle Passionflower Peppermint Slippery elm Valerian Wild Yam   Supplement Monographs Fiber Lactobacillus Acidophilus Magnesium Psyllium Vitamin B5 (Pantothenic Acid)   Learn More About Acupuncture Homeopathy Massage Therapy Nutrition Western Herbalism	Look Up > Conditions > Irritable Bowel Syndrome > Symptoms Conditions with Similar Symptoms as Irritable Bowel Syndrome Below is a list of symptoms of this condition and the other conditions that could cause them.   bloating Appendicitis Bulimia Nervosa Constipation Edema Intestinal Parasites Premenstrual Syndrome (PMS) bowel habit changes Cancer, Colorectal Constipation bowel, irritable Fibromyalgia constipation Bulimia Nervosa Diverticular Disease Dysmenorrhea Food Poisoning Hemorrhoids Hyperparathyroidism, Primary Hypothyroidism Seizure Disorders cramps, abdominal Allergic Rhinitis Anaphylaxis Diarrhea Dysmenorrhea Food Allergy Food Poisoning Insect Bites and Stings Premenstrual Syndrome (PMS) Serum Sickness Ulcerative Colitis defecation, incomplete Appendicitis defecation, urgent Diarrhea Radiation Damage Ulcerative Colitis diarrhea Allergic Rhinitis Anaphylaxis Angioedema Appendicitis Bulimia Nervosa Crohn's Disease Diverticular Disease Dysmenorrhea Food Allergy Food Poisoning HIV and AIDS Influenza Insect Bites and Stings Intestinal Parasites Measles Otitis Media Radiation Damage Roseola Seizure Disorders Serum Sickness Ulcerative Colitis flatulence Bulimia Nervosa Cystic Fibrosis Diverticular Disease Food Allergy Infantile Colic Intestinal Parasites irritation, perineal Urinary Incontinence stool, mucus in Diarrhea Hemorrhoids Ulcerative Colitis