10 Common Digestive Disorders. Epigastric pain is not a serious symptom on its own. However, if it occurs with other life-threatening symptoms, it may be a sign of a condition that should receive immediate medical treatment, such as a heart attack.
SIDE EFFECTS. The most common adverse reactions of fenfluramine are drowsiness, diarrhea, and dry mouth. Less frequent adverse reactions reported in association with fenfluramine are:
Fentanyl Side Effects Side effects may include: diarrhea; nausea; constipation; dry mouth; confusion; sweating; abdominal pain; headache; fatigue; weight loss; dizziness; hallucinations; anxiety; depression; flu-like symptoms. In 2006, the FDA began investigating several respiratory deaths linked to the use of this drug.