MelatoninOver the counter

Pronounced mel-ah-TOE-nin

Brand names:

Type: Sleep aid supplement (hormone) · All Mental Health Medicines

What Melatonin is used for

  • Occasional trouble falling asleep
  • Jet lag

Common side effects

  • Drowsiness
  • Headache
  • Dizziness
  • Vivid dreams

Important cautions

  • As a supplement it is not regulated for purity or strength the way medicines are — products vary
  • Can interact with blood thinners and sedating medicines

How it comes

Tablets, capsules, gummies, liquid. This guide lists forms only — it never lists strengths or doses.

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.