Does Doc’s self-heating pain patch work?

Doc’s self-heating inflammatory pain patch can play a role in promoting capillary blood circulation, activating blood stasis, anti-inflammatory and analgesic effects, for patients diagnosed with myofascial inflammation, this method of treatment can play a certain role. However, for patients with painful swelling caused by acute bruises, it cannot be used, there will be an increase in local blood circulation, swelling and pain further aggravated, playing the opposite role, this time need to be treated by cold compresses, more than 24 hours later can be treated with Doc’s self-heating inflammatory pain patch.