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.
| 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
Purpose
Tetracycline antibiotic used for various infections, including acne, Lyme disease, and malaria prophylaxis.
Generic Name
Doxycycline Hyclate / MonohydrateBranded Drug Names
Doxycycline is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
Scheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.
Alternatives
Safety Advice
Alcohol
CAUTIONDoxycycline: Alcohol may worsen dizziness, stomach upset, or dehydration during treatment. Avoid or limit alcohol.
Pregnancy
CAUTIONDoxycycline: Generally avoided in pregnancy unless clearly necessary and prescribed by a specialist.
Breast Feeding
CAUTIONDoxycycline: Use while breastfeeding only with medical guidance, as risks depend on the specific medicine and treatment duration.
Driving
CAUTIONDoxycycline: May cause dizziness, visual disturbance, or reduced concentration. Avoid driving if affected.
Liver
CAUTIONDoxycycline: Use caution in liver disease and report severe abdominal pain, jaundice, or dark urine.
Kidney
CAUTIONDoxycycline: Dose adjustment may be required in kidney impairment. Maintain hydration and follow medical advice.