If I remember correctly, it's white patches in the mouth. I had it a few years ago, and the doctor gave me medication for it. See your doctor, don't buy anything over the counter if you don't know what exactly you have.
I had thrush for 2 1/2 weeks and it was extremely painful. The back of my throat felt like it was burning, the whole back of my throat was white and yellow and raised, kind of like cauliflower tops. My ENT gave me some lozenges to dissolve in my mouth. Over the counter medication will not work. You really must see your doctor.
Embrace the beauty of silent moments and simple things.