Many people in life are accustomed to a sickness and immediately go to the hospital to take medications and infusions. They feel so good and faster. In fact, this approach is wrong. Professional doctors are aware of this principle, if you can physical therapy or external application will not use internal or injection. In particular, some foreign doctors are particularly strict about the injection of drugs. If they are applied externally or by oral drugs, they will not be given to patients by intramuscular injection or arterial injection. There are indeed many external fever cooling patches that work well, and although not completely replacing prescription drugs, prescription drugs are a good complement. Now, it is not just the OTC pharmacy that can find topical patches. That is, doctors in hospitals also use this method to assist in treatment or rehabilitation. For example, fever is attached to it, its principle is derived from the cold cooling therapy. In layman's terms, i...