The appearance of small red blood spots on the skin may be associated with allergic purpura, perifollicular keratosis, atopic dermatitis, etc. Patients should seek medical attention in a timely manner to clarify the cause of the disease, and then deal with it through medication, physical therapy and other methods.
1. Anaphylactic purpura: tiny blood spots may appear on the skin and limbs, which do not fade after pressing, and may be accompanied by abdominal pain and other symptoms. It can be treated with oral medications such as triclopyr, ipratropium hydrochloride, dicloretadine, etc. In severe cases, dexamethasone can be used. In severe cases, hormonal drugs such as dexamethasone and prednisone can be used.
2. Keratosis Pilaris: On the arms and thighs, dark red blood spots may appear, giving a chicken skin-like appearance. It can be treated with medications such as retinoic acid cream, tazarotene cream, cod liver oil ointment and salicylic acid cream. It can also be relieved by laser treatment, but it needs several courses of treatment to be effective.
3. Allergic dermatitis: If there are small blood spots but itching symptoms, and the small blood spots will get bigger and bigger after scratching, accompanied by hematoma, it may be allergic dermatitis. It can be treated with antihistamine drugs such as oral loratadine tablets and cetirizine hydrochloride tablets, and local skin is coated with drugs such as compound dexamethasone acetate cream. It is best to do allergen testing to avoid re-exposure.
Red blood spots on the skin may also be caused by other factors, it is recommended to consult a doctor in a timely manner, a clear diagnosis, strictly comply with the doctor’s instructions for treatment, do not self-medication.