U can Do the Castrol oil treatment as previously advised.
In my opinion u should take Tab Taxine 2 tabs at night for 10 days .
Tab Diasyn 2 tabs twice daily with Luke warm water for 15 days
Repanto ointment for local application at night
Next Steps
And a very important thing that u have to change ur life style . Just do 1 thing drink at least 1 glass of water per 1 hour till u go to bed . And take 2 glass luke warm water Mixed with 1 lemon juice and 2 pinch of salt just after brushing ur teeth .
Health Tips
Don't take oilly and spicy foods , fast foods , especially red chilli or its powder .
It's very harmful.