Joint pains. Are and will they be cured.

27 years old female. Have developed flaky patches on scalp around 1.5 years ago. They got spreaded to all scalp and white patches can be seen with flakes coming out. Have shown this to dermatologist and initially diagnosed as psoriasis. And its been 11 months since delivery. From last 6 months pains around the body got started and they are becoming worse. Have been having stiff neck from months and could not lift head up or sides. This stiffness is continuous and not a moment it was good. Pains around the neck and shoulders. Joint pains are there in following places knees, ankle, back, shoulders, elbows and fingers. Mornings its been more painful with stiffness in these joints. Fingers wont stretch and it takes some time. Ankles sometimes swells. Intially thought these as postpartum and on calcium supplements. RA factor is negative, S Uric acid is 6.7. CRP is 1:8. Hb is 10. Please advise what these are and will they be cured.