Your testosterone was low. Injecting 150 at once will cause a huge spike in testosterone and estrogen which you body is not used to.
The 200 mg every 2 weeks is a protocol that is very old and does not work.
If your doctor is not knowledgeable about trt they will not know what works. You may need to shop for another doctor.
Please check About the T Replacement Category - #2 by KSman
It has info on protocols, labs, and finding a dr