Hello sir!
Oral Leukoplakia are white patches that form on your tongue. It cannot be scraped off. Smoking is the most common cause. Others include injury to the inside of your cheeks, rough uneven teeth, inflammation, tobacco usage. Leukoplakia improve within a few weeks. So go for a check up and continue with your medications.
Next Steps
Kindly visit the dentist.
Health Tips
1. Stop smoking/tobacco use if you do.
2. Eat anti oxidant rich foods.
3. Avoid any trigger that may cause it.