Hi, my tonsils have been swollen since the day before halloween. it is now january 21st. when i first went to urgent care they told me it was strep th?

You're correct: This has been going on too long. Please seek consultation with an Otolaryngologist, an Ear/Nose/Throat specialist.

Culture negative?: Be sure you had a true strep culture and not just a strep screen. If the true culture was positive and you've been treated. This is not due to strep now. It could be related to an a condition like mono