Common Use

Clarithromycin is a macrolide antibiotic that works by inhibiting bacterial protein synthesis. Its primary effect is bacteriostatic, though it can also be bactericidal. The drug accumulates in leukocytes, aiding its delivery to infection sites. Effective against:

• Haemophilus influenzae
• Streptococcus pneumoniae
• Mycoplasma pneumoniae
• Staphylococcus aureus
• Mycobacterium avium

It treats various bacterial infections, including skin/respiratory infections and stomach ulcers caused by Helicobacter pylori.

Dosage and Directions

Clarithromycin tablets should be taken with water, with or without food. Follow these guidelines:

• Swallow the pill whole.
• Never exceed the prescribed dose.
• Complete the full course, even if symptoms improve.

Treatment typically lasts 7-14 days (longer for stomach ulcers).

Precautions

Consult your doctor before use if you have:

• Allergies to erythromycin or macrolides
• Liver/kidney disease
• Mineral imbalances (low potassium/magnesium)
• Heart conditions or arrhythmias

Avoid during pregnancy or breastfeeding.

Contraindications

Do not use if hypersensitive to clarithromycin, erythromycin, or other macrolides.

Possible Side Effects

Seek medical help immediately if you experience:

• Allergic reactions (hives, swelling, breathing issues)
• Irregular heartbeat or chest pain
• Severe nausea/stomach pain
• Hearing problems

Drug Interactions

Clarithromycin may cause dangerous interactions with:

• Cisapride
• Pimozide
• Ergot medications

These can lead to life-threatening heart rhythm disorders.

Missed Dose

If you miss a dose:

• Skip it if close to the next scheduled dose.
• Never double-dose.

Overdose

Symptoms include nausea, vomiting, diarrhea, and abdominal pain. Contact your doctor immediately if overdose is suspected.

Storage

Store at room temperature (59-77°F or 15-25°C) away from light, moisture, children, and pets.

Disclaimer

This information is general and not exhaustive. Always consult your healthcare provider for personalized advice. We are not liable for any consequences of self-treatment or decisions made based on this content.