Famotidine (Facid (20 mg)) is a histamine (H2-receptor antagonist), prescribed for ulcer. It works by decreasing the amount of stomach acid. The information provided on this page is intended to serve ...

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Cluster headache is a primary headache syndrome that is characterized by excruciatingly severe, strictly unilateral attacks of orbital, supraorbital or temporal pain, which last 15–180 min and are ...