Which generation is cimetidine?

Cimetidine is a representative of first-generation antihistamine drugs that block H2 receptors.

Can you take famotidine 20 mg everyday?

Adults—20 milligrams (mg) once a day. Children—Use and dose must be determined by your doctor.

What is the side effect of famotidine 20 mg?

SIDE EFFECTS: Headache, constipation, diarrhea, or dizziness may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects.

How long can you take cimetidine?

Do not take more or less of it or take it more often than prescribed by your doctor. Do not take over-the-counter cimetidine for longer than 2 weeks unless your doctor tells you to. If symptoms of heartburn, acid indigestion, or sour stomach last longer than 2 weeks, stop taking cimetidine and call your doctor.

Is cimetidine still used?

The development of longer-acting H2 receptor antagonists with fewer drug interactions and adverse effects, such as ranitidine and famotidine, decreased the use of cimetidine, and though it is still used, cimetidine is no longer among the more widely used of the H2 receptor antagonists.

Can I take famotidine long term?

Famotidine oral tablet is used for long-term treatment of Zollinger-Ellison syndrome and maintaining healing of ulcers. Famotidine oral tablet is used for short-term treatment of gastroesophageal reflux disease (GERD) and duodenal and gastric ulcers. Famotidine comes with risks if you don’t take it as prescribed.

Can you take famotidine every night?

Prescription famotidine comes as a tablet and a suspension (liquid) to take by mouth. It is usually taken once daily at bedtime or two to four times a day.

What is the problem with cimetidine?

Headache, dizziness, drowsiness, or diarrhea may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. If your doctor has directed you to use this medication, remember that your doctor has judged that the benefit to you is greater than the risk of side effects.