What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
-Kidney or liver disease
-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?
Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse.
Avoid taking medications that contain aspirin, acetaminophen, ibuprofen, naproxen, or ketoprofen unless instructed by your care team. These can make your condition worse.
Tobacco and alcohol may irritate your stomach. This may increase the time it takes for ulcers to heal.
If you get black, tarry stools or vomit up what looks like coffee grounds, call your doctor or 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.