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Famotidine

OTC Oral RxCUI 199047
Contents

Overview

Active ingredient
Famotidine
Established class
Histamine-2 Receptor Antagonist
Mechanism class
Histamine H2 Receptor Antagonists
Route
Oral
Label date
2026-01-13

Indications and usage

Uses

  • relieves heartburn associated with acid indigestion and sour stomach
  • prevents heartburn associated with acid indigestion and sour stomach brought on by eating or drinking certain food and beverages

Purpose

Acid reducer

Dosage and administration

Directions

  • adults and children 12 years and over: o to relieve symptoms, swallow 1 tablet with a glass of water. Do not chew. o to prevent symptoms, swallow 1 tablet (of 10 mg) with a glass of water at any time from 15 to 60 minutes before eating food or drinking beverages that cause heartburn o to prevent symptoms, swallow 1 tablet (of 20 mg) with a glass of water at any time from 10 to 60 minutes before eating food or drinking beverages that cause heartburn o before eating food or drinking beverages that cause heartburn o do not use more than 2 tablets in 24 hours
  • children under 12 years: ask a doctor

Warnings

Allergy alert Do not use if you are allergic to famotidine or other acid reducers Do not use

  • if you have trouble or pain swallowing food, vomiting with blood, or bloody or black stools. These may be signs of a serious condition. See your doctor.
  • with other acid reducers Ask a doctor before use if you have
  • had heartburn over 3 months. This may be a sign of a more serious condition.
  • heartburn with lightheadedness, sweating, or dizziness
  • chest pain or shoulder pain with shortness of breath; sweating; pain spreading to arms, neck or shoulders; or lightheadedness
  • frequent chest pain
  • frequent wheezing, particularly with heartburn
  • unexplained weight loss
  • nausea or vomiting
  • stomach pain
  • kidney disease Ask a doctor or pharmacist before use if you are taking a prescription drug. Acid reducers may interact with certain prescription drugs. Stop use and ask a doctor if
  • your heartburn continues or worsens
  • you need to take this product for more than 14 days If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away. 1 (800) 222-1222.

Do not use

  • if you have trouble or pain swallowing food, vomiting with blood, or bloody or black stools. These may be signs of a serious condition. See your doctor.
  • with other acid reducers

Ask a doctor before use if

Ask a doctor before use if you have

  • had heartburn over 3 months. This may be a sign of a more serious condition.
  • heartburn with lightheadedness, sweating, or dizziness
  • chest pain or shoulder pain with shortness of breath; sweating; pain spreading to arms, neck or shoulders; or lightheadedness
  • frequent chest pain
  • frequent wheezing, particularly with heartburn
  • unexplained weight loss
  • nausea or vomiting
  • stomach pain
  • kidney disease

Ask a doctor or pharmacist before use if

Ask a doctor or pharmacist before use if you are taking a prescription drug. Acid reducers may interact with certain prescription drugs.

Stop use and ask a doctor if

and ask a doctor if

  • your heartburn continues or worsens
  • you need to take this product for more than 14 days

Pregnancy or breast-feeding

If pregnant or breast-feeding, ask a health professional before use.

Active ingredient (label)

(in each tablet) Famotidine, USP 10 mg and 20 mg

Inactive ingredients

s Hydroxypropyl Cellulose, Hypromellose, , Macrogol, Magnesium stearate, Microcrystalline Cellulose, Pre-gelatinized Starch, Sodium Starch glycolate, Talc, Triacetin, Titanium dioxide

Storage and handling

Other information

  • read the directions and warnings before use
  • keep the carton. It contains important information.
  • store at 20°C to 25°C (68°F to 77°F)
  • protect from moisture

Keep out of reach of children

of children. In case of overdose, get medical help or contact a Poison Control Center right away. 1 (800) 222-1222.