Muscle aches often respond well to home treatment. Some measures you can take to relieve muscle discomfort from injuries and overuse include:

You should use ice for one to three days following a strain or sprain, and apply heat for any pain that remains after three days.

Find ice packs and heat packs on Amazon.

Other measures that may provide relief from muscle pain include:

gently stretching the muscles
avoiding high-impact activities until after the muscle pain goes away
avoiding weight-lifting sessions until the muscle pain is resolved
giving yourself time to rest
doing stress-relieving activities and exercises such as yoga and meditation to relieve tension