Long-term use of cardiovascular dilating drugs may cause headaches, but the specifics should be combined with the individual’s physical condition as well as the drug reaction to decide. Most patients taking long-term vasodilator drugs may cause headache, because these drugs for a long time may lead to neurovascular in a state of excitement, easy to cause vasodilatation of blood vessels, the contractile function will be significantly weakened, thus causing headache, clinically known as throbbing headache, stop using the drug after the symptom will be gradually reduced. Long-term use of cardiovascular vasodilator drugs, in addition to headache, some patients will also appear dizziness, palpitations (rapid heartbeat, often accompanied by panic), panic, chest tightness, low blood pressure and other symptoms. It should be contraindicated if you are allergic to the components of vasodilator drugs, and it is contraindicated during lactation as well as during pregnancy. If the effect of taking the product is not good or the adverse reaction is more serious, long-term abdominal pain, abdominal distension and other symptoms, you need to consult a doctor in time, if necessary, need to stop using in time. Specific medication should be strictly in accordance with the requirements of the doctor, avoid unauthorized use of drugs.