Infection on skin and guilty. His body.

My father was suffering from Spondolis and later on with urticeria and chicken pox together so his body colur fully changed and face also swelled with the help of practo 3-4 months ago my father became well but he was having sensitivity on his hand and we thought this was because of weakness but it doesn't cured so few days ago we consulted a nearby doctor but his medicines doesn't reacted instead it met opposite reaction and my father's face swelled and small small pimples occurred and now it is becoming yellow and guilty also took place in his theigh and fever too he is also having very high bp but bp medicines he has started.. So I need urgent help for my father his age is 42 years. And any medicine he is taking it is not curing him instead it is giving an opposite reaction in his body...