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:
Side Effects of Fentanyl Common side effects of fentanyl include nausea, vomiting, and dizziness. While these reactions generally require little or no treatment, potentially serious problems are possible. If you experience more serious side effects, such as difficulty breathing, severe constipation, or seizures, notify your healthcare provider right away.