My mother is having osteoarthritis Grade 3 in left leg and grade 2 in right leg, already we are consulting rheumatologist for the arthritis which is sero Negative, she is taking saaz ds twice, lefno 20, along with folitrax 25 injection every Sunday as per doctor advice, from she has already taken 3 steroid injection in her knee but no relief pain is there, it's been 2 days she is taking omnacortil 20 twice for 4 days but form yesterday now she is feeling very discomfort pain in her thigh area pain is very much extreme that she can't tell me that whats really she is filling and that sensation makes her very difficult for her to stand straight and walk, if she stand straight than the pain starts, but while laying straight she is ok. Pls tell me what to do, she is in great pain. Pls help