Eating apples headache, may be acute gastroenteritis, pesticide poisoning, etc., may also be a combination of other diseases caused by headache, such as colds, etc., need to clarify the cause of the disease, and then treatment. 1. Acute gastroenteritis; poor gastrointestinal function of the population, consumption of apples too cold, or not clean, may cause abdominal pain, diarrhea and other symptoms of acute gastroenteritis, part of the population can be headache and other symptoms. 2. Pesticide poisoning: apples are sprayed with pesticides during the growth process, and if they are not thoroughly cleaned before eating, resulting in pesticide residues, headaches may occur, accompanied by abdominal pain, vomiting and other symptoms. 3. Combined with other diseases: such as acute upper respiratory tract infections, sinusitis, brain tumors, high blood pressure, mental factors, etc., can also appear headache, and eating apples itself does not have much to do. Eating apples headache symptoms, it is recommended to seek medical attention in a timely manner, clear reasons, targeted treatment.