Clarithromycin, sold under the brand names Biaxin, Biaxin XL and Biaxin XL-Pak, is an antibiotic medication that belongs to a category of drugs called macrolides, according to Drug Information Online. It is used to treat bacterial infections involving the skin, lungs and airways. It can also eradicate Helicobacter pylori, the bacteria responsible for stomach ulcers. If you are considering taking clarithromycin, you should know about its side effects.
Common Side Effects
According to the Internet Drug Index, clarithromycin's most common side effects include nausea, diarrhea, dyspepsia (indigestion) and stomach pains. You may also experience headaches, vomiting and have abnormal taste sensations.
Serious Side Effects
You may need immediate medical help if you have an irregular heartbeat, trouble breathing, nausea, stomach pain and fever, according to Drug Information Online. Chest pain, bloody diarrhea, trouble hearing, and a skin rash with peeling and blisters are also serious side effects of clarithromycin.
Allergic Reaction
If you are allergic to clarithromycin, you may develop hives (welts on your skin). You may also experience trouble breathing and swelling of your face, tongue, throat and lips, according to Drug Information Online. It is important to seek immediate medical attention if you experience these side effects.
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