Fagastine
Brand names,
Fagastine
Analogs
Fagastine
Brand Names Mixture
Fagastine
Chemical_Formula
C8H15N7O2S3
Fagastine
RX_link
http://www.rxlist.com/cgi/generic/famot.htm
Fagastine
fda sheet
Fagastine
msds (material safety sheet)
Fagastine
Synthesis Reference
H. Yasufumi et al.; U.S. Pat. 4,283,408 (1981)
Fagastine
Molecular Weight
337.449 g/mol
Fagastine
Melting Point
163-164 oC
Fagastine
H2O Solubility
1.1 mg/mL
Fagastine
State
Solid
Fagastine
LogP
-0.726
Fagastine
Dosage Forms
Oral tablets; Rapid disintergrating tablets; Suspension; Injectable solution
Fagastine
Indication
For the treatment of peptic ulcer disease (PUD) and gastroesophageal reflux disease (GERD).
Fagastine
Pharmacology
Famotidine, a competitive histamine H2-receptor antagonist, is used to treat gastrointestinal disorders such as gastric or duodenal ulcer, gastroesophageal reflux disease, and pathological hypersecretory conditions. Famotidine inhibits many of the isoenzymes of the hepatic CYP450 enzyme system. Other actions of Famotidine include an increase in gastric bacterial flora such as nitrate-reducing organisms.
Fagastine
Absorption
The bioavailability of oral doses is 40-45%.
Fagastine
side effects and Toxicity
Intravenous, mouse: LD50 = 244.4mg/kg; Oral, mouse: LD50 = 4686 mg/kg. Symptoms of overdose include emesis, restlessness, pallor of mucous membranes or redness of mouth and ears, hypotension, tachycardia and collapse.
Fagastine
Patient Information
Famotidine is used to treat stomach and duodenal (upper small intestine) ulcers;
hypersecretory (increased acid secretion) conditions; heartburn and gastroesophageal
reflux disease (stomach contents bubbling into the esophagus causing pain). Notify your
physician if you are pregnant or nursing. Famotidine may be taken with or without food.
Shake the oral suspension vigorously for 5-10 seconds before taking. Unused oral
suspension should be discarded after 30 days. Notify your physician if you develop black,
tarry stools or coffee-ground vomit.
Fagastine
Organisms Affected
Humans and other mammals