There are more reasons for women to have red spots on the lower body of the vulva, which may be caused by eczema, drug rash, syphilis, ringworm and so on. 1. Eczema: If a woman has eczema, at this time, due to a variety of factors to stimulate the vulva, resulting in inflammation of the skin, so the red rash. 2. Drug rash: when women use drugs, due to the stimulation of drugs can trigger an allergic reaction, there may also be red spots on the vulva. 3. Syphilis: If a woman has syphilis spirochete infection, the syphilis spirochete can damage the skin of the vulva, leading to the appearance of red rash. 4. Ringworm: If a woman has ringworm, these fungi can invade the pubic area, triggering skin damage to the pubic area, which may also result in a red rash. There may be other reasons for the red spots on the lower body of women, so please consult a doctor in time, complete the relevant examinations, clarify the cause of the disease under the guidance of a professional doctor, and target treatment.