Doxycycline

Works by inhibiting protein synthesis. Historically avoided in children <8 years, but recent guidelines allow short courses (up to 21 days) for specific needs.

Dosage by Body Weight

Standard dose for children >45kg is 100mg twice daily. For smaller children, 2.2 mg/kg twice daily.

Body Weight
20-45 kg
Dose
50 mg to 100 mg
Frequency
Twice daily
Tracking Notes
Take with a full glass of water and stay upright to avoid esophageal irritation.

Weight-based dosage tracking table for Doxycycline, including body weight, dose, frequency, and tracking notes.
Body Weight	Dose	Frequency	Tracking Notes
20-45 kg	50 mg to 100 mg	Twice daily	Take with a full glass of water and stay upright to avoid esophageal irritation.

Formulation

TabletCapsuleSuspension

Purpose

Tetracycline antibiotic used for various infections, including acne, Lyme disease, and malaria prophylaxis.

Generic Name

Doxycycline Hyclate / Monohydrate

Branded Drug Names

Doxycycline is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Vibramycin
Doxy-1
Doxivim

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

MinocyclineAmoxicillin