Two common vitamin deficiencies that cause petechial rashes are a lack of vitamin K and vitamin C.
#PINPOINT RED DOTS ON ARM SKIN#
Vitamin deficiencies can result in weakened capillaries and light bleeding under the skin that causes small purple spots. More serious reasons for purpuric rashes that are formed by tiny flat spots are usually due to medical conditions. 9 Medical Conditions that Can Cause Petechiae and Petechial Rash 8Īlso, the Journal of Clinical Medicine reports that seborrheic dermatitis can result in tiny reddish brown pustules that are characteristic of a petechial rash. The pressure from the ball can cause light hemorrhaging under the skin that looks like clusters of tiny pinpoint brown spots. Some types of trauma to the skin that cause tiny blood spots on the skin can be due to skin conditions or physical trauma.įor example, the journal Cureus reported that self-massaging with a softball could leave a petechial rash on the upper back and shoulder. Injury to your skin can cause bleeding in the layers of the skin that may result in petechia on legs, feet, arms as well as other skin areas. Doctors say that petechiae on the feet usually lasts about 2 or 3 weeks. This type of harmless bleeding under the skin occurs mainly where there is less protection from the thick skin of the heel. The Journal of the American Academy of Dermatology reported that some marathon runners experience petechiae on their heel. Other types of strenuous activity can cause a petechial rash on your feet, especially on your heel. A medical journal from 2011 reported that mucosal petechiae were observed in a patient with severe coughing.
5Īlso, chronic coughing could cause a petechial rash in your mouth or on your lips. In these cases, petechiae only last a few days as the skin heals itself and signs of bleeding in the skin disappear. For example, the Indian Dermatology Online Journal reported that forceful vomiting can cause facial petechiae. You may also notice pinpoint brown spots on your face or neck if you suffer from a viral infection or gastroenteritis. This can result in bleeding under the skin and can cause petechiae on the face or upper body. Prolonged strainingĪny kind of prolonged straining can cause light hemorrhaging of your capillaries, resulting in tiny red or freckle-like spots on your skin.ĭoctors from the Mayo Clinic report that activities such as weight lifting or giving birth can put a strain on your capillaries. Let’s look at some of the reasons for petechiae that are not connected with serious underlying medical conditions. However petechiae can affect other body parts such as the back, arms, abdomen, chest, face and neck. Many of the causes of petechiae can result in a petechial rash on the front or side of the legs or ankles. Tiny purple spots on the skin are often connected with small blood vessels and capillaries and often appear on the lower legs, feet, and ankles. Pinpoint reddish spots on your legs if you have low blood platelet count.Pain when swallowing and evidence of petechiae in your mouth or throat (oral petechiae).Rapid heart rate and difficulty breathing in cases of sepsis.Bouts of coughing or vomiting due to a viral or upper respiratory infection.Fever with a rash that doesn’t turn white when pressed (potentially serious in children).Knowing the accompanying symptoms with a petechial rash can help doctors diagnose the source of bleeding under the skin.Īlong with clusters of tiny red dots on your skin, you may also have any of the following: 3ĭepending on the cause of petechiae spots under your skin, you may have other symptoms.
Larger red or purples spots in the layers of the skin can be called purpura or bruising. The spots are purpuric if they are over 2 or 3 mm in size, whereas smaller petechiae spots are 1-2 mm in diameter. The journal BMJ reports that a purpuric rash comprises of red or brown spots caused by bleeding into the skin. The difference between the two is the size of the spots under the skin. Purpura or purpuric rashes are also caused by bleeding in the intradermal layers of the skin. The causes of a petechial rash and purpura are usually the same. There is a slight difference between a purpuric rash and a petechial rash. Petechial rashes on children usually require examination by a doctor to diagnose the cause of the bleeding under the skin. Petechial rashes are described as non-blanching because they don’t change color when pressed. These tiny red or purple spots generally form in groups and look like a red rash. The publication StatPearls says that petechiae spots measure no larger than 2 or 3 mm across.
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