What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
-Kidney disease
-Liver disease
-Trouble swallowing
-An unusual or allergic reaction to famotidine, other medications, foods, dyes, or preservatives
-Pregnant or trying to get pregnant
-Breast-feeding
What may interact with this medication?
-Delavirdine
-Itraconazole
-Ketoconazole
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Tell your care team if your condition does not start to get better or if it gets worse.
Do not take with aspirin, ibuprofen or other antiinflammatory medications. These can make your condition worse.
Do not smoke cigarettes or drink alcohol. These cause irritation in your stomach and can increase the time it will take for ulcers to heal.
If you get black, tarry stools or vomit up what looks like coffee grounds, call your care team at once. You may have a bleeding ulcer.
This medication may cause a decrease in vitamin B12. You should make sure that you get enough vitamin B12 while you are taking this medication. Discuss the foods you eat and the vitamins you take with your care team.