Un-diagnosed with many Complications.

As since childhood I'm a immune compromising person for that till now I have been suffered from many diseases. but from 2019  I had a sudden fallen off for a seizure and after that just two months later suddenly developed joints pain, nerve pain, itchiness and rashes, joints feel warm to touch, chills, feverish, pinning Iike and burning sensation on the body specially back of legs, upper arms and upper back side of the body, and from that to still same complications are continue, including developed of some new symptoms such as chest pain, right ribcage side pain, lower abdomen pain specially after coming from washroom, right side lower pelvic area pain, unable to hold urine or often urge to have urine pass, sometimes feel to pass stool but nothing comes out, sweaty palms and feet, heartburn, headache from back side, sleeplessness, unintentional weight loss, and being a dark skinned my skin is getting darker. kindly suggest...bcoz doctors are tired to catch up with it. thanks 🙏