The headache powder that is normally used is actually a compound preparation of pain relief drugs, mainly containing caffeine, acetaminophen and other ingredients. If you can take headache powder occasionally when you have a headache, it does not matter much. However, for patients who have frequent headaches, if they take headache powder for a long time, it may lead to drug overdose headache. Drug overdose headache, as the name implies, is a headache caused by taking too much pain medication. Many patients and even some doctors do not know much about this situation, and themselves take painkillers to treat the headache in trace amounts, but treating the headache instead causes the headache to worsen, and then they take painkillers to relieve the headache, thus forming a vicious cycle that causes the patient’s headache to worsen and thus become chronic and reach a very difficult This creates a vicious cycle that leads to the patient’s headache worsening and thus becoming chronic and reaching a very difficult to cure end. If a patient has frequent headaches, he or she should use pain medication in moderation under the guidance of a doctor. Using too much pain medication on his or her own will only lead to the occurrence of drug overdose headaches, resulting in chronic and incurable headaches.