Medical certificate. Of it for a week.

Shall I get the medical and fitness certificate for two months I had some pain in left foot (injury in sports) it was showing symptoms of muscle tear then I got the plaster But still pain persisted after the removal of plaster therefore I got mri of my foot after consultation with doctor which showed Minimal effusion in the tibiotalar joint capsule along anterior & posterior recess with minimal loculated T2 hyperintese fluid in the base region of 2nd metatarsal bone and adjacent tarsometatarsal joint space and no significant synovial thickening and normal MR morphology of adjacent bone, tendon and other soft tissue . Hence I had pain after a walk or standing for longer duration And after this an ointment reacted on my foot and it got some allergy resulting in swolling of it for a week.