[header] How to heal knee cartilage [title] Make a doctor's appointment as soon as possible. [step] Whether minor or serious, a knee injury should always be evaluated by a doctor. Make an appointment to see your doctor as soon as possible after your injury. 
If they cannot accommodate you within 2-3 days after your injury or if your knee pain cannot be managed at home, go to an urgent care facility. [title] Rest your knee for up to 72 hours.