Tagamet
Overview
- About Tagamet
Antacids can reduce the effect of Tagamet when taken at the same time. If you take an antacid to relieve the pain of an ulcer, the doses should be separated by 1 to 2 hours.
If you need to take an antifungal drug such as ketoconazole, you should take it at least 2 hours before you take Tagamet.
Special information if you are pregnant or breastfeeding
Return to topThe effects of Tagamet during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, notify your doctor immediately. Tagamet appears in breast milk and could affect a nursing infant. If this medication is essential to your health, your doctor may advise you to discontinue breastfeeding until treatment with this drug is finished.
Recommended dosage for Tagamet
Return to topTAGAMET (ADULTS)
Active Duodenal Ulcer
The usual dose is 800 milligrams once daily at bedtime. However, other doses shown to be effective are:
300 milligrams 4 times a day with meals and at bedtime
400 milligrams 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 milligrams at bedtime.
Active Benign Gastric Ulcer
The usual dose is 800 milligrams once a day at bedtime or 300 milligrams taken 4 times a day with meals and at bedtime.
Erosive Gastroesophageal Reflux Disease
The usual dosage is a total of 1,600 milligrams daily divided into doses of 800 milligrams twice a day or 400 milligrams 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 milligrams 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 milligrams per day.
TAGAMET (CHILDREN)
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 milligrams per 2.2 pounds of body weight have been used.






