These medical condition or symptom topics may be relevant to medical information for Drug intoxication: 1  Drug. 2  Drug symptoms (36 causes) 3  Intoxication.
Side effects of famotidine are rare. The most commonly reported minor side effects are: constipation, diarrhea, fatigue, headache, insomnia, muscle pain, nausea, and ; vomiting. Other important side effects include: anemia, confusion, easy bruising or bleeding, hair loss, rash, More serious side effects include: depression, hallucinations,
Do not use in animals that are allergic to famotidine. If allergic reaction occurs you may notice facial swelling, hive, scratching, sudden onset of diarrhea, vomiting, shock, seizures, pale gums, cold limbs, or coma.