Brown spots suddenly appear on the face. It may be seborrheic keratosis, chloasma, freckles and other skin diseases.
1. Seborrheic keratosis. Mostly seen in middle-aged and old-aged patients, may be related to exposure to ultraviolet rays, usually more common on the face. It manifests as black or brown spots, macules or large plaques.
2. Melasma. It is more common in women and may be related to age, exposure to ultraviolet rays, oral contraceptives, endocrine and other reasons, manifesting as yellow-brown patches on the face.
3. Freckles. Starting from childhood, it manifests as brown spots on the face in the form of dots.
If there are brown spots on the face, you can go to the dermatology department of the hospital.