Pain in legs, knees. Me for treatment.

4 months after having a Caesarean operation, I had previously suffered from some severe pain in my lower legs, ankles, knees, elbows, wrists and some fingers with lack of sensation of touch and pressure in my limbs for some while many times a day. As I felt fatigue, I used to be hardly able to move my limbs while I experienced all those unpleasant moments. Later I was later diagnosed with low level calcium in my body and after the doctor’s medication, the problems were nearly over for around six months. Yet again I have been going through some mild pain and loss of sensation in my lower legs while at rest or in bed for the last couple of weeks and can able to walk or stand normally only after I get some massaging on my legs. A more serious trouble is feeling of pain in my knees and ankles while I try to stand up from a lower position of sitting or squatting. I have also heard a loud noise in my knees and backbone while doing so on several occasions. Please guide me for treatment.