Tagamet

医学编辑器: John P. Cunha, DO, FACOEP Last updated on RxList:3/27/2023

Drug Summary

What Is Tagamet?

Tagamet (cimetidine) is ahistaminereceptorantagonistused to treat and prevent certain types of ulcer, and to treat conditions that cause the stomach to produce too much acid. Tagamet is also used to treatgastroesophageal refluxdisease (GERD), when stomach acid backs up into theesophagusand causesheartburn. Tagamet is available ingenericform.

What Are Side Effects of Tagamet?

Tagamet may cause serious side effects including:

  • pain when swallowing,
  • bloody or tarry stools,
  • cough with bloody mucus,
  • vomit that looks like coffee grounds,
  • mood changes,
  • anxiety,
  • agitation,
  • confusion,
  • hallucinations, and
  • breast swelling or tenderness

Get medical help right away, if you have any of the symptoms listed above.

Common side effects of Tagamet include:

  • headache,
  • dizziness,
  • drowsiness,
  • depression,
  • agitation,
  • breast swelling or tenderness (in men),
  • joint or muscle pain,
  • skin rash,
  • diarrhea,
  • nausea, or
  • constipation.

Tell your doctor if you experience unlikely but serious side effects of Tagamet including:

  • mental/mood changes (e.g., confusion, hallucinations),
  • 小便的麻烦,
  • decreased sexual ability (with very high doses).

Seek medical care or call 911 at once if you have the following serious side effects:

  • Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
  • Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheadedness, or passing out;
  • Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

Dosage for Tagamet

Dose of Tagamet depends on the condition being treated and the patient's response to the medication.

What Drugs, Substances, or Supplements Interact with Tagamet?

Tagamet may interact with blood thinners, clopidogrel, phenytoin, nifedipine, metronidazole, propranolol, chlordiazepoxide, lidocaine, diazepam, theophylline, depression or anxiety medications. Tell your doctor all medications you use.

Tagamet During Pregnancy and Breastfeeding

Tagamet should be used only when prescribed during pregnancy. This medication passes into breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Tagamet (cimetidine) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

Drug Description

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DESCRIPTION

READ THE DIRECTIONS AND WARNINGS, INCLUDING THOSE PRINTED ON THE INSIDE OF THE CARTON, BEFORE TAKING THIS PRODUCT.

Drug Facts

Active ingredient

(in each tablet) Cimetidine 200mg

Indications & Dosage

INDICATIONS

Purpose

Acid reducer

Uses

  • relievesheartburn相关的智慧hacid indigestionand sour stomach
  • preventsheartburn associated with acid indigestion and sour stomach brought on by eating or drinking certain foods and beverages

DOSAGE AND ADMINISTRATION

Directions

  • adults and children 12 years and older:
    • torelievesymptoms, swallow 1 tablet with a glass of water
    • topreventsymptoms, swallow 1 tablet with a glass of waterright before or any time up to 30 minutes beforeeating food or drinking beverages that cause heartburn
    • do not take more than 2 tablets in 24 hours
  • children under 12 years: ask a doctor

Other Information

  • store at 15-30°C (59-86°F)

HOW SUPPLIED

Active Ingredient

(in each tablet) Cimetidine 200mg

Inactive Ingredients

纤维素, corn starch, hypromellose, magnesium stearate, polyethylene glycol, polysorbate 80, povidone, sodium lauryl sulfate, sodium starch glycolate, titanium dioxide

Keep out of reach of children.

Questions or comments?

Call toll-free 1-800-482-4394. tagamet.com

Medtech Products Inc. Revised: Aug 2022

Side Effects & Drug Interactions

SIDE EFFECTS

No information required

DRUG INTERACTIONS

No information required. Please refer to the警告section.

Warnings & Precautions

警告

Allergy Alert:Do not use if you are allergic to cimetidine 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

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

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

  • theophylline (oralasthmamedicine)
  • warfarin (blood thinning medicine)
  • phenytoin (seizuremedicine)

Stop use and ask a doctor if

  • your heartburn continues or worsens
  • stomach pain continues
  • 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.

PRECAUTIONS

Included as part of the警告section.

Overdose & Contraindications

OVERDOSE

In case of overdose, get medical help or contact a Poison Control Center right away.

CONTRAINDICATIONS

No information required

Clinical Pharmacology

CLINICAL PHARMACOLOGY

No information required

Medication Guide

PATIENT INFORMATION

Allergy Alert:Do not use if you are allergic to cimetidine 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

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

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

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

  • theophylline (oral asthma medicine)
  • warfarin (blood thinning medicine)
  • phenytoin (seizure medicine)

Stop use and ask a doctor if

  • your heartburn continues or worsens
  • stomach pain continues
  • 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.

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