Knee pain along with toe pain is strongly suggestive of gout.
You will to test Serum
Uric Acid and xrays of your knee & foot done. Visit the nearest ortho surgeon who can examine and order the right x-rays for you.
If you need a second opinion mail to bdbaruah[at]orthodoc[dot]in
Answered2017-04-26 07:14:07
Let others know if this answer was helpful