For the time being have these medicines prior to a visit to dentist, if you haven't had any yet,
Considering you are not
pregnant/lactating mother,
T. augmentin duo 625, 3 times/day.after food 10 tablets.
T.metrogyl 400, 3 times/day.after food 10 tablets.
T.ultracet/zerodol PT,maximum 3 tablets a day,if pain,after food
T. Roles D,once a day, before food,for 4 days
T.A to z gold, once a day, after food,10 tablets.
If difficulty in opening mouth or chewing or swallowing, these are usually associated with back tooth infection
If feverish, that can be as a secondary infection from tooth.
Next Steps
Visit dentist and followed by a thorough clinical examination and x-ray of the concerned tooth and adjacent teeth treatment can be planned.
Health Tips
do not do hot compression /balm/ointment application extra-orally.
avoid very hot/cold/hard/sweet/sticky food
soft diet
do not neglect brushing after meal.
hold mouthful of Luke warm salt water in for sometime; you can do it for few times a day, if it's relieving your pain, even partially.