Doxycycline — paediatric dose
Weight-based dosing for Doxycycline in children. Category: Antibiotic.
| Dose | 2 mg/kg 12H (>8 yr; any age in rickettsia/severe infection) |
|---|---|
| Per kg | 2 mg/kg |
| Maximum | 100 mg |
| Route | PO/IV |
| Frequency | 12H |
Clinical notes
Max 100 mg/dose.
Common questions
What is the dose of Doxycycline in children?
2 mg/kg 12H (>8 yr; any age in rickettsia/severe infection). That is 2 mg/kg per dose.
What is the maximum Doxycycline dose for a child?
The maximum single dose is 100 mg. Weight-based calculation should never exceed this ceiling.
How is Doxycycline given?
Doxycycline is given by PO/IV, 12H.
About this page
Compiled from standard paediatric references. Verify against a current formulary and your local protocol.
Spotted something wrong? Report an error on this page — corrections from clinicians are welcome and are reviewed before any change is published.
Last reviewed 2026-08-12.