Zoe dressing is the treatment of choice for your case. Dont panic and continue the dressing for few days. You will get relief within a week.
In addition, you can take over the counter painkiller and antibiotics.
Next Steps
consult me online for the medications, if you want
Health Tips
warm water with salt gargle for three to four times a day can help relieve you faster.
maintain oral hygiene to the most.