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Open Dose Calculator →Doxycycline
Doxycycline
💊 Used for: Chronic bronchitis, brucellosis, chlamydia, mycoplasma, rickettsia, ehrlichiosis, cholera, acne. Tick borne rickettsia 2.2 mg/kg q12hr.
Formulation
Tablet
Standard tablet
Dose Range
2–5 mg/kg
Max Daily
N/A
Frequency
Every 12 hours
Max Single
100 mg
Route: Oral
Dose by Child Weight
Based on formulation: Standard tablet
| Child's Weight | Dose (mg) | Dose (ml) | Max Daily Dose (mg) |
|---|---|---|---|
| 5 kg | 10–25 mg | 10.0–25.0 ml | — |
| 6 kg | 12–30 mg | 12.0–30.0 ml | — |
| 7 kg | 14–35 mg | 14.0–35.0 ml | — |
| 8 kg | 16–40 mg | 16.0–40.0 ml | — |
| 9 kg | 18–45 mg | 18.0–45.0 ml | — |
| 10 kg | 20–50 mg | 20.0–50.0 ml | — |
| 12 kg | 24–60 mg | 24.0–60.0 ml | — |
| 15 kg | 30–75 mg | 30.0–75.0 ml | — |
| 18 kg | 36–90 mg | 36.0–90.0 ml | — |
| 20 kg | 40–100 mg | 40.0–100.0 ml | — |
| 25 kg | 50–125 mg | 50.0–125.0 ml | — |
| 30 kg | 60–150 mg | 60.0–150.0 ml | — |
* Always verify with your doctor. doses are approximate and may vary based on condition and formulation.
⚠️ Important Warnings
- •Avoid in children below 8 years due to risk of teeth staining and growth retardation.
💡 Use the DoseCare Calculator for interactive dose calculations tailored to your child's exact weight and formulation.
DoseCare is a decision support tool only. Always verify doses with a qualified healthcare provider.