Hello and welcome to Healthcare Magic. Thanks for your query.
The soreness in your mouth is probably due to the irritant efect of the tobacco. Please understand that this practice can put you at risk for various adverse health consequences, including oral cancer
For the soreness, you can apply coconut oil or ghee, which will soothen the raw and irritaed areas. Alternatively, you can also get a mouth ulcer
gel, like Zytee gel, to help heal the soreness faster. Also drink plenty of water and avoid spicy or hot foods for a few days.
Wish you all the best.
Dr. Jonas Sundarakumar