Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Call emergency services for chest pain, sudden shortness of breath, fainting, or coughing up blood.
These can be signs of a blood clot in the lungs or another emergency.
Contact the surgical team promptly for worsening redness, wound drainage, fever, increasing swelling, pain that is not controlled as expected, or new calf pain or swelling.
Seek urgent assessment for a foot that becomes cold, pale, blue, severely numb, or difficult to move.
Also call if the brace causes skin injury or you cannot follow the planned weight-bearing instructions.
Mild swelling, bruising, and discomfort are usually discussed at routine follow-up if they are steadily improving.
Every sign above is quoted from the sofidex article on Meniscal allograft transplantation. If you are not sure, err upward — it is always reasonable to be checked.