Paste ointment may be hot, because some drugs in the ointment caused by the short duration, generally tolerable, if the rash and other discomforts are not normal should be removed in a timely manner. Many ointment will add some blood circulation (promote blood circulation, eliminate blood stasis) of traditional Chinese medicine, such as Panax ginseng, peach kernel, safflower, etc., these drugs will stimulate the skin, enhance the local blood circulation and cause the phenomenon of heat, but most of the heat can be tolerated, the duration of a shorter time, but can not be a long period of time to apply, generally in about 8 hours can be removed. Not everyone is suitable for the use of plasters, if allergic to plasters can also appear fever, but also prone to cause rashes, itching, blisters and other symptoms, need to be removed as soon as possible, if necessary, local application of glycerite lotion and other drugs, or oral loratadine and other anti-allergy drugs. It is recommended that patients under the guidance of the doctor reasonable use of medication, to avoid blindly use their own creams or other drugs.