Thanks for writing in.
There is nothing to be worried about.
It can be seborrheic dermatitis
You can use medicated shampoo like Salisia KT shampoo.
You can use Zydip C lotion once a day at scalp
Also you can take tablet Zyrtec
These will help a lot.
You have been prescribed correct medication .YOu can use them safely.You can expect improvement in 15 days.Have faith in doctor and continue use of the prescribed medicines.
Hope this helps.