Take clarithromycin exactly as prescribed by your doctor. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Do not use this medicine to treat any condition that has not been checked by your doctor. Do not share this medicine with another person, even if they have the same symptoms you have.
You may take the regular tablets and oral suspension (liquid) with or without food.
Clarithromycin extended-release tablets (Biaxin XL) should be taken with food.
Do not crush, chew, or break an extended-release tablet. Swallow it whole.
Shake the oral liquid well just before you measure a dose. Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
Clarithromycin is usually given for 7 to 14 days. Use this medicine for the full prescribed length of time, even if your symptoms quickly improve. Skipping doses can increase your risk of infection that is resistant to medication. Clarithromycin will not treat a viral infection such as the flu or a common cold.
Store this medicine in the original container at room temperature, away from moisture, heat, and light.
Do not keep the oral liquid in a refrigerator. Throw away any liquid that has not been used within 14 days.
If your infection is treated with a combination of drugs, use all medications as directed by your doctor. Read the instructions provided with each medication. Do not change your doses or medication schedule without your doctor's advice.
 Detailed Clarithromycin dosage information
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include severe stomach pain, nausea, vomiting, or diarrhea.
