It looks the tooth has decayed and the infection has reached to the root of the tooth.As of now take medications.
Rx
Tab Augmentin 625mg BD
Tab Metrogyl 400 mg TDS
Tab Diclomol BD
Tab Pan 40 OD
Tab ketorol DT. SOS(in case of very severe pain )
Take these for 5 days
Next Steps
Visit ur dentist followed by these medications for clinical and radio graphical examination which will give exact idea about the treatment plan
The treatment may be
1 RCT(root canal treatment ) followed by cap placement
2Extraction (removal of the tooth)
Health Tips
Maintain oral hygiene (brush twice)
Eat soft food ,avoid sticky and hard food