Sorry to hear about your discomfort.
Your symptoms are indicative of an infection/abscess in that area although I need a clinical examination and xrays to confirm that.
Next Steps
-Effective Home remedies like warm saline rinses, brushing and maintenance of oral hygiene that you are already doing -please continue.
-In case , your swelling and associated pain increases, consider that as an emergency and please visit your dentist .
-Please find a clinic where the Covid Safety protocols are maintained.
-Alternatively, you can take a direct online consultation from your doctor where he can prescribe you antibiotics and analgesics for the management of the symptoms for a few weeks more till you can get physically treated for the same.