Engov Engov is indicated for the relief of symptoms of headaches and allergies. This medication acts as an analgesic (relieves pain) and improves allergic symptoms. It also acts as a mild stimulant of the Central Nervous System (CNS) which, when combined with analgesics, helps to relieve pain. The time of onset of action of this drug varies according to the history of each patient. In mild to moderate headaches, it is known that within 60 minutes, after ingestion, the expected effect of the medication is observed. There is no significant reason to be concerned if you forget to use the medicine. If you need to use it again, resume using it as recommended, up to a limit of 4 pills per day. In case of doubt, seek advice from the pharmacist or your doctor or dentist.