my father has got a stroke 8 months ago which left him with weakness on the rightside [hand and leg] and speech problem before that he never complained from any serious illness except high acidity and high blood pressure blood anlysis showed positive cryoglobulins 5months ago he started 20mg solupred and imuran twice aday , cryo was negative after one month but after reducing solupred to 15mg cryo is positive again the problem is that he s on about 22 medicines now and his blood analysis after being good all last months the last ones showed slight elevation in the urea level and an elevation in sgot levels please whats your advise do you think it s the medication ?what s the alternative thank you very much for your cooperation