Biaxin and Biaxin XL

The below information on Biaxin and Biaxin XL has been taken from official FDA sources, but we cannot guarantee it's accuracy. Please use this site for educational purposes only. This site does not replace a proper discussion with your doctor.

    Brand Name:Biaxin and Biaxin XL
This drug was approved by the FDA in one form or another on:
1991-10-31 ,
This drug is made in one form or another by the following companies:
Abbott Pharmaceuticals
This drug is available in the following forms:
Tablets and Oral Suspensions, Tablets Extended Release
View the actual FDA approved label for this drug at the following links:,050698s020,050775s008lbl.pdf

About Biaxin and Biaxin XL

Clarithromycin is in a class of medicines called macrolide antibiotics. It is used to treat bacterial infections in many parts of the body such as the ears, throat, lungs, sinuses, and skin. It is used in combination with other medicines to treat stomach ulcers caused by bacteria. It is also used for the treatment and prevention of certain types of mycobacterial infections. Clarithromycin does not work for viral infections such as the common cold or flu.

Side Effects of Biaxin and Biaxin XL

Some side effects can be serious. The following symptoms are uncommon, but if you get any of them, call your doctor right away:

  • severe skin rash
  • hives
  • itching
  • trouble breathing or swallowing
  • swelling of the face, throat, eyes, tongue, or lips,
  • yellowing of the skin or eyes
  • fast, pounding, or irregular heartbeat

Other side effects: Some common, but less serious side effects may include diarrhea, nausea, abnormal taste, stomach pain, and headache.

Who Should Not Take Biaxin and Biaxin XL

Do not take clarithromycin if you are allergic to clarithromycin or any of the other macrolide antibiotics such as erythromycin or azithromycin.

Interactions with Biaxin and Biaxin XL

Clarithromycin and certain other medicines can interact with each other. Tell your healthcare professional about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Know the medicines you take. Keep a list of them with you to show your healthcare professional. Do not take clarithromycin with pimozide or astemizole. These medicines can interact, possibly leading to dangerous heart problems.

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