Please don't take this the wrong way, but, as you may have read here, some people need to take a different kind of medication to take their focus OFF of their physical symptoms, so medications that help you relax, or, SSRI's, that help your mind literally slow down. The stress/anxiety can play a vicious role in your symptoms. Have you tried stretching your neck (extend your chin down to your chest, hold 10 seconRAB, stretch head back, hold, stretch ear to shoulder, hold, etc)? Also, massaging the throat area (gently) can also help. Even try heat, maybe cold--experiment. You likely have inflammation of the vocal folRAB and this is tricky b/c you use your voice probably all day long---not helping the vocal folRAB at all! Then they have to work harder, the muscles around get sore, etc.
You could also consult a speech-language pathologist in your area for additional exercises/suggestions. Do you have vocal symptoms, like hoarseness? Do you clear your throat a lot, or have the urge to cough. Of course drinking LOTS of water is also important.
ALl the best!