Get ENT check up done for left ear pain, hollow sounds in head .
For dizziness please share details, is it sensation of falling down or blackness in front of eyes or spinning sensation?
Get Haemoglobin, blood
sugar fasting and post meal done.
For low b.p., avoid standing for long time continuously, while sitting spread legs in front.
Take more fluids with little salt, like ors, butter milk, lemonade, etc.
Syp Maltviron 5m.l morning and evening for a month.