In the majority of cases ED and PE are caused by stresses and anxiety which you might have to go through in your everyday life so the main aim of the medication is to fix your moral state and nervous system. It has no side effects unless you overdose. In such cases you may experience headache, dried mouth, weakness and symptoms like that. Usually it comes to an end by itself but if after a few hours you still don’t feel good you should contact your doctor and stop taking Dapoxetine until you consult your doctor.