Now a days am always having a tiredness feeling,I was down with fever last month and it took almost 4 weeks to recover, did almost all the tests prescribed by the doctors , everything was normal.but still am feeling a heaviness in my head and also pain in various part of my body.the pain is deep (feels like it is in the bone), sharp/stabbing and short in ​duration,It occurs frequently and randomly in different places on my body ​ (​ribs, shoulder,fingers,lower legs ​and sometimes my head)