What is famotidine injection? 

FAMOTIDINE (Pepcid®) is a type of antihistamine that blocks  the release of stomach acid. Famotidine is used to treat stomach and intestinal ulcers. It can relieve ulcer pain  and discomfort. Famotidine is also used  to control acid reflux (heartburn). Generic famotidine injections are available. 

What should I tell my  health care provider before I take this medicine? 

They need  to know if you have any  of these conditions: 

• an alcohol abuse probem 
• kidney disease 
• liver disease 
• other chronic illness 
• an unusual or allergic reaction  to famotidine, other medicines, foods, dyes, or preservatives
• pregnant or trying to get pregnant 
• breast-feeding

How should I use this medicine? 

Famotidine is for infusion into a vein. 

Contact  your pediatrician or health care professional regarding  the use of this medicine  in children. Special care may be needed. 

What if I miss a dose? 

If you miss  a dose, use it as soon as you can. If it is almost time  for your next dose, use only that dose. Do not use double or extra doses. 

What drug(s) may interact with famotidine? 

• cefditoren
• cefpodoxime
• cefuroxime
• delavirdine
• itraconazole 
• ketoconazole 
• metformin
• theophylline

Tell  your prescriber or health care professional about all other medicines  you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or  health care professional if  you are a frequent user  of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines. 

What should I watch for while taking famotidine? 

Tell your prescriber or health care professional if your condition does not improve or gets worse. 

Do not self-medicate with aspirin, ibuprofen or other antiinflammatory medicines; these can aggravate your condition. 

Do not smoke cigarettes or drink alcohol; these increase irritation in  your stomach and can lengthen  the time it will take for ulcers to heal. Cigarettes and alcohol can also worsen acid reflux  or heartburn. 

If you get black, tarry stools or vomit up what looks like coffee grounds,  call your prescriber or health care professional  at once. You may have a bleeding ulcer. 

What side effects may I notice from receiving famotidine? 

Side effects that  you should report  to your prescriber or health care professional as soon as possible:

• Rare or uncommon: 
• confusion
• hallucinations
• skin rash, itching 

Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome): 

• agitation, nervousness 
• constipation
• diarrhea
• dizziness
• headache
• nausea

Where can I keep my medicine? 

Keep out of the reach of children. 

Store  in a refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Restore to room temperature before use. Do not use if the solution is discolored or particulate matter is present. After recommended dilution it may be kept at room temperature for 48 hours.