What causes small red spots on the skin that look like blood spots?

Generally, small red spots on the skin resembling blood spots may be caused by various factors such as aging, seasonal changes, purpura, urticaria (hives), hemangioma, and others. It is recommended to seek medical attention promptly, identify the underlying cause, and receive appropriate treatment under the guidance of a qualified physician. Specific analysis is as follows:

1. Aging

With advancing age, skin elasticity and firmness decline, and the strength of blood vessel walls may also weaken, making small blood vessels prone to rupture and resulting in small red spots on the skin. In daily life, it's important to protect the skin from sun exposure and avoid damage caused by ultraviolet radiation.

2. Seasonal Changes

Differences in temperature and humidity during seasonal transitions can disrupt the skin’s oil-water balance, leading to uneven dilation or constriction of capillaries and the appearance of small red spots. It is advisable to maintain adequate skin hydration and use mild, non-irritating skincare products.

3. Purpura

Purpura may result from abnormalities in blood vessel walls or vascular injury. When platelet count is reduced or platelet function impaired, blood can leak from vessels into surrounding skin tissue, forming red spots. This condition may also present with symptoms such as easy bruising and fatigue. Patients may be prescribed medications such as prednisone acetate tablets, cyclophosphamide tablets, or dexamethasone acetate tablets under medical supervision.

4. Urticaria (Hives)

Urticaria is usually triggered by factors such as food allergies or infections. Localized vasodilation and increased permeability of skin blood vessels lead to fluid leakage into tissues, causing red spots or plaques. Symptoms often include intense itching and, in severe cases, difficulty breathing. Under medical guidance, patients may take antihistamines or topical treatments such as cetirizine hydrochloride tablets, loratadine tablets, or hydrocortisone cream to relieve symptoms.

5. Hemangioma

Hemangiomas are primarily caused by abnormal proliferation of vascular endothelial cells, forming a network of blood vessels where blood accumulates, leading to red spots or lumps. Additional symptoms may include localized skin thickening or tenderness. Patients should receive treatment under the supervision of a specialist, possibly using medications such as propranolol hydrochloride tablets, prednisone acetate tablets, or sirolimus capsules.

In daily life, it's important to develop healthy habits, maintain a light diet, and consume plenty of vegetables and fruits rich in vitamins.