OTC Medication Calculators

We're building evidence-based dosage calculators for common over-the-counter medications. Each tool will include weight-based dosing, maximum daily limits, and interaction warnings.

Coming soon

  • Acetaminophen (Tylenol)
  • Ibuprofen (Advil / Motrin)
  • Diphenhydramine (Benadryl)
  • Loratadine (Claritin)
  • Cetirizine (Zyrtec)
  • Pseudoephedrine (Sudafed)
  • Famotidine (Pepcid)
  • Aspirin
Browse supplement calculators