Exactly what's on the bottle's dosing chart, looked up by weight. For reference only — your pediatrician's advice is the actual answer.
Always confirm doses with your pediatrician. This calculator looks up what's on the OTC label — it's not medical advice. Call your provider for any specific question. For a suspected overdose or wrong dose: Poison Control 1-800-222-1222 (US) or local emergency services.
Before using this tool: