Someone who gets up too fast and without help may faint again. Most of the time, no further treatment is needed for fainting. If the person faints repeatedly or has other symptoms, more treatment may be needed. All medications have possible side effects. These may include allergic reactions , stomach upset, and headaches .
Surgery carries a risk of bleeding, infection, and allergic reactions to anesthesia .
Blood transfusions may cause allergic reactions or infections. Those who have simple fainting usually need no further monitoring or treatment. Those who have heart disease may need ongoing treatment for many years. Most people are able to return to normal activities after treatment. Those with frequent fainting may need to avoid certain activities, such as climbing ladders or driving.