Do not use in emergencies, if pregnant, if under 18, or as a substitute for a doctor’s advice or diagnosis.
Caution! In case of an emergency:
Seek emergency care
Delayed onset muscle soreness is a state of muscular pain, occurring 24 to 48 hours after intense or prolonged muscular activity. The mechanism of delayed onset muscle soreness is not completely understood.
Symptoms of a thigh contusion There will be a pain at the time of injury and the athlete is likely to have restricted movement in the muscle. Swelling and later bruising may appear over time.[sportsinjuryclinic.net]