Please avoid staircase for few months, If you have swelling , you can apply hot pack nearby swelling 10 minutes morning and evening for few days or till swelling goes off.
After relief of pain you can do quadriceps strengthening exercises or extensor muscles strengthening exercises and morning walk with rest.
Next Steps
Please contact nearby physiotherapist
Health Tips
Please avoid staircase, sitting at ground or squating. Try to avoid long continuous walk . Try to avoid prolong standing in kitchen. In the situation of getting down on floor or getting up , use half kneeling to standing Functional movement .
Please try to reduce weight.