Clarithromycin (Oral Route)

Free

E-newsletter

Subscribe to Housecall

Our weekly general interest
e-newsletter keeps you up to date on a wide variety of health topics.

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:

• Cough
• Fever or chills
• Hoarseness
• Lower back or side pain
• Painful or difficult urination

• Abdominal or stomach tenderness
• Fever with or without chills
• Nausea and vomiting
• Severe abdominal or stomach cramps and pain
• Shortness of breath
• Skin rash and itching
• Unusual bleeding or bruising
• Watery and severe diarrhea, which may also be bloody
• Yellow eyes or skin

• Abdominal or stomach pain
• Anxiety
• Black, tarry stools
• Blistering, peeling, or loosening of the skin
• Blurred vision
• Chest pain or discomfort
• Clay-colored stools
• Confusion about identity, place, and time
• Cool, pale skin
• Dark urine
• Depression
• Difficulty with swallowing
• Dizziness
• Fainting
• Fast, pounding, or irregular heartbeat or pulse
• Feeling of unreality
• Feeling that others are watching you or controlling your behavior
• Feeling that others can hear your thoughts
• Feeling, seeing, or hearing things that are not there
• Hives
• Increased hunger
• Irregular heartbeat
• Joint or muscle pain
• Light-colored stools
• Loss of appetite
• Nightmares
• Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• Recurrent fainting
• Red skin lesions, often with a purple center
• Red, irritated eyes
• Redness, swelling, or soreness of the tongue
• Seizures
• Sense of detachment from self or body
• Severe mood or mental changes
• Shakiness
• Slow heartbeat
• Slurred speech
• Sore throat
• Sores, ulcers, or white spots in the mouth or on the lips
• Sudden death
• Swollen glands
• Tightness in the chest
• Unpleasant breath odor
• Unusual behavior
• Unusual tiredness or weakness
• Vomiting of blood
• Wheezing

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:

• Acid or sour stomach
• Belching
• Bloated or full feeling
• Change in sensation of taste
• Diarrhea (mild)
• Excess air or gas in the stomach or intestines
• Headache
• Heartburn
• Indigestion
• Passing gas
• Stomach discomfort, upset, or pain

• Alterations of sense of smell
• Continuing ringing or buzzing or other unexplained noise in the ears
• Feeling of constant movement of self or surroundings
• Hearing loss
• Lightheadedness
• Mental depression
• Mood or mental changes
• Sensation of spinning
• Shakiness in the legs, arms, hands, or feet
• Skin eruptions
• Sleeplessness
• Sore mouth or tongue
• Swelling or inflammation of the mouth
• Taste loss
• Tongue discoloration
• Tooth discoloration
• Trouble sleeping
• Unable to sleep
• Weight loss

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.

Copyright © 2013 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.