Zelnorm Side Effects

Generic Name: tegaserod

Note: This document contains side effect information about tegaserod. Some of the dosage forms listed on this page may not apply to the brand name Zelnorm.

Some side effects of Zelnorm may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to tegaserod: oral tablet

Along with its needed effects, tegaserod (the active ingredient contained in Zelnorm) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking tegaserod:

More common
  • Diarrhea
  • stomach pain
Less common
  • Dizziness
  • feeling of warmth
  • itching skin
  • redness of the face, neck, arms and occasionally, upper chest
  • swelling or puffiness of face
Incidence not known
  • Black, tarry stools
  • bloody diarrhea
  • bloody stools
  • constipation
  • fainting
  • indigestion
  • nausea
  • new or worsening abdominal pain
  • rectal bleeding
  • severe stomach pain with nausea and vomiting
  • vomiting

Get emergency help immediately if any of the following symptoms of overdose occur while taking tegaserod:

Symptoms of overdose
  • Bloated, full feeling
  • chills
  • cold sweats
  • confusion
  • dizziness, faintness, or lightheadedness when getting up from lying or sitting position
  • excess air or gas in stomach or intestines
  • headache
  • passing gas

Some side effects of tegaserod may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common or rare
  • Back pain
  • disease or abnormality of the joint
  • headache, severe and throbbing
  • leg pain

For Healthcare Professionals

Applies to tegaserod: oral tablet

Cardiovascular

Cardiovascular side effects have included hypotension, angina pectoris, syncope, arrhythmia, bundle branch block, supraventricular tachycardia, and flushing. A case of myocardial infarction has been reported.

Myocardial infarction has been reported in a 64-year-old male after receiving two doses of tegaserod 6 mg.

Nervous system

Nervous system side effects have included headache, dizziness, migraine, insomnia, vertigo, and Raynaud's phenomenon.

Gastrointestinal

Gastrointestinal side effects have included abdominal pain, diarrhea, nausea, flatulence, abdominal distention and pain, vomiting, dyspepsia, gastritis, gastroesophageal reflux, hemorrhoids, and proctalgia. Irritable colon, fecal incontinence, tenesmus, increased appetite, eructation, appendicitis, bilirubinemia, subileus, sphincter of Oddi spasm, bile duct stone, ischemic colitis, mesenteric ischemia, gangrenous bowel, rectal bleeding, and increases in abdominal surgeries, primarily cholecystectomies, have also been reported; however, causality was not clearly established.

Hepatic

Hepatic side effects have included increased SGOT and SGPT. Hepatitis, elevation in ALT, AST, and bilirubin have been reported during postmarketing experience.

Metabolic

Metabolic side effects have included increase in appetite, hypokalemia and hypovolemia secondary to diarrhea, and increased creatine phosphokinase.

Musculoskeletal

Musculoskeletal side effects have included back pain, arthropathy, and myalgia. Other effects, regardless of causality, have included cramps.

Oncologic

Oncologic side effects have included breast carcinoma.

Psychiatric

Psychiatric side effects have included attempted suicide, impaired concentration, emotional lability, increased appetite, sleep disorder and depression.

Respiratory

Respiratory side effects have included asthma.

Dermatologic

Dermatologic side effects have included pruritus. Alopecia has been reported during postmarketing experience.

Endocrine

Endocrine side effects have included increased sweating.

Genitourinary

Genitourinary side effects have included frequent micturition, polyuria, urinary tract infection, ovarian cyst, miscarriage, dysmenorrhea, and menorrhagia.

Renal

Renal side effects have included renal pain and albuminuria.

General

Side effects affecting the body as a whole have included accidental trauma (3% vs. 2% for placebo) and leg pain (1% vs. less than 1% for placebo). Other effects, regardless of causality, have included pain and facial edema.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.

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