Red spots from shaving leg hair with a hair razor may be caused by bacterial infection or allergic reaction. If it is bacterial infection, it can be treated with anti-infective drugs, and if it is an allergic reaction, it can be treated with oral administration of olopatadine hydrochloride tablets. 1. Bacterial infection: such as folliculitis, shaving the legs is easy to cause mechanical damage to the epidermis of the skin, if the skin damage is not properly cared for and lead to bacterial infection, there will be a small red foci of infection. You can use drugs to smear, such as mupirocin ointment, etc., the specific method of medication need to follow the doctor’s instructions. 2. Allergic reaction: after shaving the legs, it is easy to cause mechanical damage to the epidermis of the skin and make the skin barrier damaged, there is a susceptible to sensitization of the vulnerable period, inducing inflammation, such as eczema, contact dermatitis, etc., the appearance of rashes accompanied by itching and other symptoms. Oral antihistamines, such as loratadine, or topical tacrolimus ointment and other medications, the use of drugs need to follow the doctor’s instructions. Shaving leg hair with a razor blade with red dots will affect the health of the skin, pay attention to the gentle action, do a good job of anti-infection, to avoid affecting the health of the body. The above symptoms suggest that the patient to the regular hospital in time, not self-medication, to avoid adverse consequences.