Tablets: 200 milligrams,
Tablets: 300 milligrams,
Tablets: 400 milligrams,
Tablets: 800 milligrams;
Liquid: 300 milligrams/5 milliliters;
Injection: 150 milligrams/ milliliters.
Tagamet is prescribed for the treatment of:
- Active gastric ulcers;
- Duodenal ulcers;
- Gastroesophageal reflux disease (GERD);
- Pathological hypersecretory conditions (eg Zollinger Ellison syndrome);
- The prevention of gastrointestinal bleeding;
Tagamet is prescribed for the treatment of certain kinds of stomach and intestinal ulcers and related conditions. These include: active duodenal (upper intestinal) ulcers; active benign stomach ulcers; erosive gastroesophageal reflux disease (backflow of acid stomach contents); prevention of upper abdominal bleeding in those who are critically ill; and excess-acid conditions such as Zollinger-Ellison syndrome (a form of peptic ulcer with too much acid). It is also prescribed for maintenance therapy of duodenal ulcer following the healing of active ulcers. Tagamet is known as a histamine blocker.
Some doctors also use Tagamet to treat acne and to prevent stress-induced ulcers. It may also be prescribed to treat chronic hives, herpesvirus infections (including shingles), abnormal hair growth in women, and overactivity of the parathyroid gland.
Tagamet HB is an over-the-counter version of the drug prescribed to relieve heartburn, acid indigestion, and sour stomach.
- Active gastric ulcers are treated with 800 milligrams at bedtime or 300 milligrams 4 times a day at meal times and bedtime for up to 8 weeks;
- Duodenal ulcers are treated with 800 milligrams at bedtime 300 milligrams 4 times a day at meal times and bedtime or 400 milligrams twice a day for 4-6 weeks Maintenance therapy is 400 milligrams at bedtime;
- For hospitalized patients who cannot take oral medications 300 milligrams of Tagamet may be administered by intravenous or intramuscular injection every 6-8 hours A continuous intravenous infusion of 375 to 50 milligrams/hour also may be used;
- Heartburn indigestion and sour stomach may be treated with 200 milligrams once or twice daily and may be administered up to 30 minutes before ingestion of food or beverages that may cause heart burn;
- Pathological hypersecretory conditions are treated with 300 milligrams 4 times daily up to 2400 milligrams daily;
- The regimen for GERD is 800 milligrams twice a day or 400 milligrams 4 times a day for 12 week;
Active Duodenal Ulcer
The usual dose is 800 mg once daily at bedtime. However, other doses shown to be effective are:
300 mg 4 times a day with meals and at bedtime
400 mg twice a day, in the morning and at bedtime
Most people heal in 4 weeks.
If you require maintenance therapy, the usual dose is 400 mg at bedtime.
Active Benign Gastric Ulcer
The usual dose is 800 mg once a day at bedtime or 300 mg taken 4 times a day with meals and at bedtime.
Erosive Gastroesophageal Reflux Disease
The usual dosage is a total of 1,600 mg daily divided into doses of 800 mg twice a day or 400 mg 4 times a day for 12 weeks. The beneficial use of Tagamet beyond 12 weeks has not been firmly established.
Pathological Hypersecretory Condition
The usual dosage is 300 mg 4 times a day with meals and at bedtime. Your doctor may adjust your dosage based on your needs, but you should take no more than 2,400 mg per day.
Safety and effectiveness have not been established in children under 16 years old. However, your doctor may decide that the potential benefits of Tagamet use outweigh the potential risks. Doses of 20 to 40 mg per 2.2 pounds of body weight have been used.
Heartburn, acid indigestion, sour stomach
The usual dosage is 2 tablets, taken with water, once or up to twice a day. Do not take more than 4 tablets in 24 hours.
Do not give Tagamet HB to children under 12 years unless your doctor tells you to.
Side effects due to Tagamet are rare and generally reversible once the medication is stopped.
Minor side effects include:
- Muscle pain;
Major side effects include:
- Confusion and hallucinations (usually in elderly or critically ill patients);
- Decreased white blood cell counts;
- Enlargement of the breasts;
- Impotence (usually seen in patients on high doses for prolonged periods);
Other side effects include:
- Visual changes;
- Irregular heartbeat;
- Allergic reactions;
Tagamet side effects that you should report to your health care professional or doctor as soon as possible:
- Breast Development In Men;