Why are my tonsil to different sizes and shapes? they normally look the same, but now my right tonsil looks like it shrunk and has 3 skin-like bumps and swallowing hurts my right tonsil.

Doctor can check: A sore throat can be evaluated by a primary care doctor (or an ear-nose-throat doctor) to see what the cause might be. Sometimes it is a strep throat bacterial infection, in which case antibiotics would be needed. Other possibilities include a viral infection, a throat ulcer, allergies, stomach acid reflux, a tonsillar abscess, etc... A doctor has to look at the throat to diagnose it.