I had severe tennis elbow from blacksmithing 40 hrs/week. Doctors, pt, shots, everything with short term results.
What I finally discovered after a year of delays:
1. REST
2. Ice every day after shower on entire forearm
3. Some type of non-sterodial anti-inflammatory
4. Quit for the day at first signs of pain.....REST
There are exercises to build up the opposing muscles to balance the forces within the arm. I may or not had results from this, but I also did all of the above.