Lansoprazole (Oral Route)

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Side Effects

Along with its needed effects, a medicine 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:

More common
  • Diarrhea
  • Skin rash or itching
Less common
  • Abdominal or stomach pain
  • Increased or decreased appetite
  • Joint pain
  • Nausea
  • Vomiting
Rare
  • Anxiety
  • Cold or flu-like symptoms
  • Constipation
  • Increased cough
  • Mental depression
  • Muscle pain
  • Rectal bleeding
  • Unusual bleeding or bruising
Incidence not known
  • Abdominal tenderness
  • Back, leg or stomach pains
  • Bleeding gums
  • Blistering, peeling, loosening of skin
  • Bloating
  • Bloody, black, or tarry stools
  • Change in mental status
  • Chest pain
  • Chills
  • Clay colored stools
  • Constipation
  • Cough or hoarseness
  • Dark or bloody urine
  • Difficulty swallowing
  • Fast heartbeat
  • Fatigue
  • Fever
  • General body swelling
  • High fever
  • Hives
  • Indigestion
  • Loss of appetite
  • Lower back or side pain
  • Nosebleeds
  • Painful or difficult urination
  • Pains in stomach, side or abdomen, possibly radiating to the back
  • Pale skin
  • Puffiness or swelling of the eyelids or around the eyes, face, lips or tongue
  • Red irritated eyes
  • Pinpoint red spots on skin
  • Red skin lesions, often with a purple center
  • Seizures
  • Shortness of breath
  • Sore throat
  • Sores, ulcers or white spots on lips or in mouth
  • Swelling of feet or lower legs
  • Swollen or painful glands
  • Tightness in chest
  • Unusual tiredness or weakness
  • Wheezing
  • Yellowing of the eyes or skin

Some side effects 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:

More common
  • Dizziness
  • Headache
Less common
  • Bleeding, blistering, burning, coldness, discoloration of skin
  • Mild nausea
Rare
  • Acid or sour stomach
  • Bad, unusual or unpleasant (after) taste
  • Belching
  • Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  • Change in taste
  • Feeling faint, dizzy, or light-headedness
  • Feeling of heat or warmth
  • Flushing or redness of skin, especially on face and neck
  • Heartburn
  • Indigestion
  • Mild diarrhea
  • Mild headache
  • Mild vomiting
  • Stomach discomfort, upset or pain
  • Sweating
Incidence not known
  • Difficulty in speaking
  • Decrease in frequency of urination
  • Decrease in urine volume
  • Decrease in passing urine [dribbling]

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions

DR601569

Portions of this document last updated:

Nov. 1, 2009

Source: Drug Information provided by: Micromedex

Copyright © 2009 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.


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