The generic name of Headache Powder is Acai Phenol Bulk, which is made up of three ingredients: aspirin, acetaminophen and caffeine, and has antipyretic and analgesic properties; gastrointestinal reactions are its main side effects. Acetaminophen is mainly used to treat fever caused by colds and flu, but also to relieve mild to moderate pains such as headaches, joint pains and migraines. The most common side effects are gastrointestinal reactions, usually nausea, vomiting and abdominal pain, followed by allergic asthma, rash, hives and itchy skin in some patients. It should be noted that because of the caffeine contained in its composition, caffeine has the effect of excitation of the central nervous system, patients will produce a certain degree of drug dependence when taking it for a long time. The drug should be used with caution for children under 6 years of age and the elderly and infirm, and it is forbidden for those who are allergic to aspirin. Pregnant and lactating women are not allowed to use it. It is contraindicated in cases of wheezing, nasal polyp syndrome, hypersensitivity to aspirin and other antipyretic and analgesic drugs. Contraindicated in patients with hemophilia or thrombocytopenia. Patients with active bleeding disorders are prohibited. Not applicable to patients with severe hepatic or renal insufficiency. The above content is for reference only, patients who need to use the drug, please under the guidance of a professional doctor to follow the doctor’s instructions.