Please get your BP checked and your
lipid profile ,blood
sugar and blood routine examination.Since you have to travel for work it's safer to cover your head and ears with a scarf or something beneath the helmet.Do you have sinusitis?
Next Steps
Avoid head bath when you have ear ache. Avoid curd,cold food.Avoid late night dinner.Do not travel immediately after a head bath.
Health Tips
use dry ginger boiled water to drink.
get the tests done to comment further.