thanks for using health care magic.
It is likely that you are allergic to coke or to one of the constituent of the drink.
Allergies are usually provoke by contact with the allergy
causing substance and
generally subside following cessation of contact.
E.N.T specialist who is specialized in allergy could help you better.
So i will advice you to meet one for better management. Meanwhile, it will be advisable to
stop taking the coke.
Best regards and hope this helps you.