I have had a cold for 5 weeks, Started with Bronchitis (10 days of Levoquin 750 mg); still coughing (Chest x-ray and CT showed nothing); now blisters have formed in my throat on on the back and back sides of my tongue - are these pus nodules? Tonsillitis? What?
Blisters in the throat/mouth area can be caused by quite a few common pathogens; herpesviruses, coxsackie virus, strep throat and yes, it can be symptom of tonsillitus.
Herpes infections in the mouth are common; everyone has probably had one at one time or the other; check out the page below to see if the blisters look similar. These infections generally resolve in a couple of weeks. Of course check with doctor to be sure.
I'm not a dr, but I have them too because I've been coughing so much. It might just be that your throat is literally so raw that it forms these blisters to protect itself, right? the only thing I am doing is to drink warm water with honey to coat my throat.
If the blisters are white my guess is you have strep throat. Has the doctor seen you since you got these blisters? You can always ask for a strep test just to make sure you don't have it. Or it could be part of the cold you have been battling for the past 5 weeks. I too have been coughing like crazy and it's been going around. I was put on the 5 day Z-pack and it has helped. It's one of the only antibiotics that helps me and it helped me fast. I hope you find out what's wrong and I hope you feel better soon!