What do these red dots on your skin mean?

What are petechiae?
Petechiae are small spots of bleeding under the skin or in the mucous membranes (mouth or eyelids). They are purple, red, or brown dots, each the size of a specific point. They are not raised or bumpy.

Do you petechiae rash?
Petechiae may look like a rash, but they are not. These tiny red dots on the skin are caused by broken capillaries and tiny blood vessels under the skin. They are not itchy or painful.

If you squeeze petechiae, they will remain purple, red, or brown. But if you press on a rash, it will turn paler or lighter in color.

Where can petechiae occur?
Petechiae can appear anywhere on the body but are usually found on or in the:

inside the eyelids.
Possible reasons
What are the possible causes of petechiae?
Several things can trigger petechiae, from simple and reversible causes to serious diseases:

Endocarditis: Endocarditis is an infection of the lining of the heart. Other signs include fever, chills, fatigue, body aches, and shortness of breath.
Infection: Illnesses caused by bacteria, such as strep throat with scarlet fever, or Rocky Mountain spotted fever (spread by ticks) can cause petechiae. The same goes for viral infections, such as cytomegalovirus or hantavirus. Other signs of infection may include fatigue, fever, sore throat, swollen glands and tonsils, body aches, nausea, and vomiting.
Injury: Skin damage can lead to petechiae. Examples include a car accident, a bite, skin chafing, or even sunburn.
Leukemia: Leukemia is a cancer of the blood and bone marrow. Other signs of this disease may include weight loss, swollen glands, bleeding or bruising easily, nosebleeds, and night sweats.
Medications: Certain medications may cause petechiae, including some antibiotics, antidepressants, and blood-thinning medications.
Mononucleosis: Also called mono, this viral infection is common among young adults. It often causes fatigue, headache, sore throat, swollen glands and tonsils, and fever.
Stress: When you stress, you can break the blood vessels under the skin. Examples include when you vomit, lift something too heavy, or give birth.
Thrombocytopenia: With thrombocytopenia, you have low levels of platelets, which help blood clot. It may also cause easy bruising, bloody noses or gums, blood in the urine or stools, and yellowish skin and eyes.
Vasculitis: Vasculitis is inflammation (swelling) of blood vessels. It also causes fever, headache, weight loss, and nerve problems (pain, weakness, or numbness).
Viral hemorrhagic fevers: Viral hemorrhagic fevers, such as Ebola and dengue fever, make it difficult for blood to clot. Other symptoms may include a high fever, easy bruising or bleeding, body aches, and weakness.
Vitamin C deficiency: When your body doesn’t get enough vitamin C, you can get scurvy. Other signs include swollen gums, joint pain, easy bruising and shortness of breath.

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