How quickly does PRP injection relieve knee pain?

Platelet-rich plasma is prepared from a sample of your own blood and placed into the painful knee area. The injection is intended to support the body's healing response rather than numb the joint immediately. Some people notice discomfort or a temporary increase in pain soon after treatment. Improvement, when it occurs, is usually assessed over the following weeks, not during the appointment. The result can depend on the cause of the knee pain, the condition of the joint, activity levels, and whether other treatment is needed.

Follow the clinic's instructions about rest, ice, exercise, and pain relief. Protect the knee from strenuous loading at first, then return to movement as advised. Gentle mobility may help prevent stiffness, while rehabilitation can address strength, balance, and the movement pattern that stresses the knee. Keep track of pain, swelling, walking ability, and activities that trigger symptoms. A review is useful if symptoms are not changing as expected or if pain continues to limit daily tasks.

Contact the treating clinician promptly for increasing redness, warmth, swelling, drainage, fever, or pain that is becoming more severe rather than settling. Seek urgent help for sudden inability to bear weight, a new major injury, severe calf swelling, chest pain, or difficulty breathing. These signs need assessment and should not be explained away as normal post-injection soreness.

Ask what the injection is intended to treat, when your knee will be reviewed, which activities to pause, and how physiotherapy fits into recovery. Clarify which pain medicines are suitable for you and what symptoms should prompt an earlier call.