Small red dots on the face are considered to be caused by contact dermatitis, cherry angioma, and allergic purpura.
1. Contact dermatitis: if the patient’s face is in contact with allergic substances, such as animal dander, pollen, dust, etc., it will increase the permeability of the blood vessels in the face, thus triggering the symptom of small red dots on the face, accompanied by varying degrees of itching.
2. Cherry hemangioma: when suffering from cherry hemangioma, it will also cause the symptom of small red dots on the face, which is mainly due to the local skin capillaries, abnormal proliferation and triggered. It is mainly round or ovoid.
3. Allergic purpura: If the body has a perverse reaction to a certain substance, it will increase the permeability of the local capillaries, thus triggering hemorrhage and inflammation, so that the symptoms of small red dots appear on the face.
When the symptoms of small red spots on the face, you need to go to the hospital in time for examination, clear cause of the symptomatic treatment.