I am 86 years old and having good health till 4 months back. I got psoriatic Arthratis but it was diagonised late. I lost 4 months and got treated by the doctor with Saaz. But I found it not suitable for me. I lost 2 month for treatment. Now I have been treated with folitrax 15 mg injection and I found it is ok for me. Pl advise how to get strength as I am bed ridden and could not walk properly without support. Also my back joints L4 L5 etc are giving lot of pain. Pl advise remedy.

Summarized question: How to have strength back in Psoriatic Arthratis?