I was taking folitrax inj.15 mg for psoriasis ona Dr. Recommendation.mypsoriasis problem got reduced. But my tongue got lot of cracks tasteless .Later Dr reduced to 10 mg tablets. I had. Severe knee pain for a number of years. This also got reduced. I stopped tablets two weeks back.My knee pain has reappeared. Q1 Can I continue to tablets.? Or injection? Any alternate medicine which can solve my tongue problem ?Pl. suggest ?