My doctor’s office just called & my doctor is out sick. They told me to just keep taking the meds until I can see him. When I had the strep test he didn’t say if there were any white spots. Isn’t thrush something children get? I have a vague memory of getting it as a child or one of my siblings did. This week is not starting out pleasantly!
Here is the link to the Mayo clinic pages on it. Mayo
This may not be the problem, your throat may just be raw from coughing.
Do you have a back-up doctor you can call?