Thermophore heating pads are a great way to treat sore muscles and joints without medication. Moist heat, in particular, penetrates deeply into muscles for long-lasting relief from pain and stiffness. Cold Comfort Therapy Systems  Bruises, cuts, insect bites or stings, sprains, swelling - doctors recommend using cold therapy for first aid following most injuries, as well as for long-term use to manage swelling and recurring inflammation. Medical professionals also know that using cold therapy alone, or alternating it with heat therapy, can be very useful in stimulating circulation and relieving chronic pain.