Medically reviewed by Scott Zashin, MD Key Takeaways Muscle strains can happen when a muscle is overstretched and may feel sharp or cause bruising.Treating muscle pain from injuries often involves the ...

You may have bicep pain from strains, tendonitis, shoulder injuries, and bruising. Icing the affected area for 15-20 minutes several times daily can decrease swelling and numb the pain. Talk to a ...

A bruise usually involves damage to skin and tissue in the body, which results in swelling and skin discoloration. A hematoma is caused by damage to the blood vessels, which causes blood to pool in ...