Spots after sunburn are generally considered to be related to freckles, solar keratosis, seborrheic keratosis, chloasma, etc. The treatment usually includes general treatment, topical medication, oral medication, photoelectricity treatment, etc., as follows.
1. Freckle: It is a pigment disorder skin disease, manifested as facial spots, and the treatments include general treatment, medication, laser treatment, freezing treatment and so on. If avoiding excessive sunlight exposure, it can be treated with 30%~35% chlorine acetate solution, hydroquinone cream and other drugs with epidermal peeling effect as prescribed by doctor, and laser and cryotherapy can be chosen if necessary.
2. Solar keratosis: long-term exposure to sunlight is common, manifested as dark brown, rough patches, can apply carbon dioxide laser, ionization cauterization, cryotherapy.
3. Seborrheic keratosis: manifested as brown and high skin surface plaques, no special discomfort symptoms generally do not need treatment, if there is growth, ulceration and pain, etc., you can choose freezing, laser treatment, 40% hydrogen peroxide solution and other medications or surgical treatment.
4. Melasma: many factors, such as sun exposure, hormone levels, etc. cause yellowish-brown patches on the face. General treatment includes sun protection, combination of work and rest, etc. According to the needs, hydroquinone cream and vitamin A acid ointment can be used externally to peel off the discoloration of patches or vitamin C or vitamin E can be taken orally to inhibit the formation of melanin, and laser treatment can be used if necessary.
After sunlight spots may also be related to other skin diseases, it is recommended to go to the hospital dermatology department to clarify the cause, and follow the doctor’s instructions for treatment.