FAMOTIDINE INJECTION IS A REFRIGERATED MEDICATION THAT IS SHIPPED WITH A COLD PACK. YOU MUST SELECT FEDEX OVERNIGHT. Famotidine (Pepcid) may be useful for the treatment of gastric, abomasal and duodenal ulcers. This medication may also be used to treat to uremic gastritis, esophagitis, doudenal gastric reflux and esophageal reflux. Famotidine Oral Suspension has an expiration date of 30 days from the date it is compounded. Famotidine Transdermal Gel expires 60 days from the date it is compounded.