Hello doctor. My son age is 4 years 5 month. He is having headache for past one month but last two weeks he is saying every morning headache. And also on the afternoon and sometimes in the evening too. Tested vision that is normal. I gave medicine crocin syrup for three days bit it does not work. Now am giving morning ibugesic. He is normal after giving that but evening he is saying headache like that. Past three days he is not sleeping well in the night. No fits. No abnormal walking. Help me.