hello, the lesion on your tongue and palate
are chemical burn/irritation caused by tablet coating.. these lesions take time in resolving especially when they occur on tongue.. but they will resolve on its without any medical help
.. as the new epithelium/covering on tongue is formed.. if possible avoid spicy foods and have good balanced diet.. take antioxidents- like lycopene
and vit-b , vit-c tablets as they help in re-epithelization of mucosa.. 10-15days can be taken for resolution of problem .. if they persist for more then that consult oral medicine and diagnosis specialist.. they will help you out..
use antiseptic mouthwashes to prevent infection on denuded surface.. maintain proper oral hygiene