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Doxycycline
Pronounced dox-i-SY-kleen
Brand names: Vibramycin, Doryx
Type: Tetracycline antibiotic · All Antibiotics & Infection Medicines
What Doxycycline is used for
- Acne and rosacea
- Lyme disease and tick-borne infections
- Pneumonia and bronchitis
- Certain sexually transmitted infections
- Malaria prevention
◆ Kidney note
A preferred tetracycline in kidney disease because it is cleared mainly through the gut, not the kidneys.
Common side effects
- Nausea
- Sensitivity to sunlight
- Heartburn
- Diarrhea
Important cautions
- Can burn and ulcerate the food pipe — it is taken with a full glass of water while upright, exactly as the label directs
- Generally avoided in pregnancy and in young children because it can stain developing teeth
How it comes
Capsules, tablets, liquid, injection (hospital). This guide lists forms only — it never lists strengths or doses.
Related medicines — Antibiotics & Infection Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.