The most commonly considered pain on one side of the head is migraine, which is a relatively common type of primary headache in clinical practice, characterized by moderate to severe throbbing pain. The pain is usually located on one side of the head, either on the left side or on the right side of the head. The attack may be preceded by some triggers, such as environmental stimuli, sound and light stimuli, emotional factors, and lack of sleep. Migraine usually has a family history and a tendency to gather in families, which may be related to endocrine and metabolic factors. Some diets, such as chocolate and wine, may trigger migraine attacks. For migraine attacks, you can take oral pain medication to relieve the headache, and the effective one is zolmitriptan tablets.