About azithromycin dihydrate eq to azithromycin
Macrolide antibiotic
Used for
- Certain bacterial chest, throat, ear, skin, and sinus infections
- Some sexually transmitted infections, including chlamydia
Usual adult dose
Commonly 500 mg once daily for 3 days, or 500 mg on day one then 250 mg daily for 4 days; depends on infection.
Usual dose in children
Usually 10 mg/kg once daily for 3 days; dose and duration depend on infection and local guidance.
Common side effects
- Nausea, diarrhoea, or stomach pain
- Headache
- Vomiting
- Changes in taste
Important warnings
- Antibiotics do not treat viral infections such as colds or flu.
- Rarely causes serious allergic reactions or liver problems.
- May affect heart rhythm, especially with existing rhythm problems or certain medicines.
- Seek urgent help for severe diarrhoea, which can occur during or after treatment.
Pregnancy
May be used when clinically needed; a clinician should assess benefits and risks.
Breastfeeding
Generally compatible; monitor the infant for diarrhoea, vomiting, or rash.
Interactions
- Warfarin and other medicines affecting blood clotting
- Medicines that prolong the heart’s electrical rhythm
- Aluminium- or magnesium-containing antacids can reduce absorption; separate doses.
- Digoxin and ciclosporin
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.