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Taekit Medical
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Famotidine (Pepcid)

40 mg

Antacid18+

Stop: Call 911 or get emergency help

Chest pain: assume it is your heart. Get help for vomiting blood; black or bloody stool; chest pain with sweating, breathing trouble, or arm/neck/jaw pain; trouble swallowing; severe belly pain; fainting; or unexplained weight loss.

Seek medical help first

Use this information only if you are unable to contact your provider. Then, contact your provider as soon as possible.

What it may treat & how much to take

  1. 1

    Heartburn / acid reflux (GERD)

    Burning chest; sour or bitter taste; burping. Often worse after meals or lying down.

    Take ½ tablet twice a day for up to 2 weeks.

  2. 2

    Erosive esophagitis

    Acid has damaged your food pipe. Use only if a doctor told you that you have this.

    Take 1 tablet twice a day. Follow your doctor's directions.

  3. 3

    Stomach ulcer / ulcer-type pain

    Burning upper-belly pain, often between meals or at night.

    Only if told you get ulcers: 1 tablet at bedtime. Self-treat max 2 weeks.

  4. 4

    Upset from prednisone or pain pills

    Upper-belly burning, nausea, or heartburn after prednisone, ibuprofen, naproxen, or aspirin.

    Take 1 tablet once a day while taking the other medication.

  5. 5

    Indigestion / sour stomach

    Full, bloated, burning, or sour feeling after a heavy, greasy, or spicy meal.

    Take 1 tablet once. Do not use every day for this.

How to take it

With or without food. Once daily: bedtime. Twice daily: morning and bedtime. Never double a missed dose.

Important information

Ulcers, bleeding, and stomach cancer can feel like heartburn. Get care if symptoms last over 2 weeks or return after stopping.

Common side effects

Headache, dizziness, constipation or diarrhea, and tiredness.

Do not take if

Allergic reaction to famotidine, cimetidine, tizanidine, or nizatidine; or experiencing chest pain, shortness of breath, or weakness.

Ask your provider or pharmacist first if

Kidney disease, over 65, certain HIV/HCV/cancer medicines, ketoconazole/itraconazole, or long QT.

If pregnant or breastfeeding

Check with your provider before use while pregnant or breastfeeding.

Educational reference only. Contents, availability, and clinical eligibility vary. A prescription is issued only when clinically appropriate. This information is not medical advice.