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:
The most common side effects of fentanyl are: 1  Nausea, vomiting, constipation, and diarrhea. 2  Drowsiness and dizziness. 3  Insomnia. 4  Increased sweating. 5  Fatigue. 6  Feeling cold. 7  Anorexia. 8  Headache.