Bleeding that occurs in deep muscle can cause your limbs to swell. The swelling may press on nerves and lead to numbness or pain. Damage to joints.
[mayoclinic.org]
If clinical signs or symptoms occur, such as chest pain or pressure, shortness of breath, altered consciousness, vision, or speech, limb or abdomen swelling and/or pain, discontinue
[baxter.com]
In infants, the disorder presents as irritability and decreased use of the affected limb.
[symptoma.com]