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:
Common phentermine side effects may include: 1  feeling restless or hyperactive; 2  headache, dizziness, tremors; 3  sleep problems (insomnia); 4  dry mouth or an unpleasant taste in your mouth;  diarrhea or constipation, upset stomach; 1  or. increased or decreased interest in sex, impotence.