Famotidine
Brand: Pepcid
No boxed warning on the current FDA label.
- Caution
- Confusion in older adults and kidney impairment (dose is reduced); OTC use limited to 14 days without advice.
Common side effects
- Headache
- Dizziness
- Constipation
- Diarrhea
Key interactions
- Reduces absorption of some drugs needing acid
- Separate from certain antifungals and HIV drugs
Counseling points
- May take with or without food
- Take before meals for heartburn prevention
- Contact prescriber if symptoms persist beyond two weeks
- May take at bedtime for nighttime symptoms
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