Taking medication to treat herpes will also spread with improper medication, low immune function, improper daily care and so on. 1. improper use of drugs: usually herpes patients need to follow the doctor’s instructions to eat antiviral drugs, such as acyclovir, famciclovir and so on. The pain can be accompanied by the application of gabapentin, pregabalin and other sedative painkillers as prescribed by the doctor. If the patients themselves indiscriminate use of drugs or arbitrarily adjust the amount of medication, it will not be able to achieve effective therapeutic effect, control the condition, which will lead to the spread of herpes. 2. Low immune function: For herpes patients with low autoimmune function, the spread of the disease after the use of medication may occur due to repeated or persistent infection with the herpes virus. 3. Improper daily care: If some herpes patients do not pay attention to daily skin care, resulting in local skin lesions repeatedly stimulated by foreign objects, easy to spread phenomenon. At the same time, overwork, skin trauma, stress reaction can lead to aggravation of the condition. It is recommended that people who take medication for herpes and still have spreading herpes should consult a doctor in time so that the cause of the disease can be clarified and the treatment plan can be formulated again. Pay attention to the doctor’s guidance in the use of medication, do not self-medication or prescription treatment.