Welcome to HCM!
Is the pus some whitish discharge on the tonsil
and the papillae?
Are there any curdy white patches on the lining of the mouth/ on tonsils?
Are you running any fever?
would not normally last this long and secondary bacterial infection is common, you may start amoxy-clav.
If the symptoms persist, please consult your doctor for a throat test and examination.
If curdy discharge is present, candida (fungus) infection may be present.
keep up the other remedies you are using.
Wish you speedy recovery.