You should not use this medicine if you are allergic to famotidine or similar medicines such as ranitidine (Zantac), cimetidine (Tagamet), or nizatidine (Axid). Ask a doctor before using this ...

Zantac 360 Famotidine may also be used for purposes not listed in this medication guide. Heartburn can feel like a heart attack. chest pain that spreads to your jaw or shoulder. Get emergency ...

but without ranitidine. It’s now made with famotidine, the active ingredient in competitor Pepcid. Zantac is still one of the ...