This medication is a histamine H2-receptor antagonist, prescribed for heartburn and peptic ulcers.  It reduces the amount of acid production in the stomach.

Hypersensitivity.

PO- The recommended dose is 800mg at bedtime orally; maintenance- 400mg at bed time.

It comes as a tablet and liquid to take by mouth, with food.

• Caution should be exercised in patients with history of kidney or liver impairment, elderly, during pregnancy and breastfeeding.

•   Gastrointestinal : Diarrhea.
•   Central Nervous System : Headache, dizziness, drowsiness and mental confusion.
•   Miscellaneous : Muscle pain, skin rash and breast enlargement in male.

Avoid excess dosage.

Store it at room temperature and in an airtight container. Keep away from children.