Throw away any unused famotidine that is older than 30 days. liquid Call your doctor if the condition you are treating with famotidine does not improve, or if it gets worse while using famotidine.

Famotidine tablets are available over-the-counter (OTC) without a prescription. The oral liquid requires a veterinary prescription and is available from human pharmacies. The injectable form is ...

If either is present, do not use the liquid. Learn how to store and discard ... During pregnancy, famotidine should be used only when clearly needed. Discuss the risks and benefits with your ...