What Causes Low Energy Level, Pain In Joints And Breathing Problem?

Hi Iam suffering with extreme stress from past 4 yrs. There is a swelling at the Left Thigh(upper),and also at the Right hand joint,and also at the left leg calf. I have trouble breathing.Most of the time Iam unable to breath properly.I feel tired always and now from past 2 weeks my knee bones are paining ,I can t walk properly and when I sit down or climb the stairs I feel Pain at the Knee bone.Suffering with severe headache ,lot of Hairloss ,back pain.From Past 1 yr Iam experiencing visionary problems ,I can see some red Spots in both the eyes. There is also a swelling at the Upper Right Part of the abdomen. Mainly these days Iam feeling very tired,No Energy feel like sleeping all the time.