Sep 4, 2023 · Petechiae are pinpoint non-blanching spots that measure less than 2 mm in size and affect the skin and mucous membranes. Petechial rashes are common and can be a significant cause for concern for parents and the interprofessional team.

Jan 6, 2025 · Petechiae are non-blanching, red or purple skin spots that measure less than 2 mm in diameter. They occur as a result of minor bleeding from tiny blood vessels that lie under the skin or mucous membranes.

The 'glass test' can be used to assist with assessing whether a rash is blanching - a drinking glass can be applied firmly against a rash - if the rash does not disappear it is non-blanching ; Image: glass test . Petechiae are pinpoint non-blanching spots; …

Jun 29, 2021 · Petechiae are pinpoint-sized spots of bleeding under the skin or mucous membranes. The purple, red or brown dots are not raised or itchy, and they’re not a rash. Many different things can cause petechiae, and some are serious. If you or your child have petechiae that spread quickly, or if you have dots plus other symptoms, seek medical attention.

Mar 11, 2025 · Petechiae are tiny red or purple dots that don't turn white when you press on them. They can be caused by infections, certain medications, and vitamin deficiencies. They can also be a symptom of low platelet count due to an autoimmune condition or …

Feb 7, 2025 · Unlike rashes, petechiae do not blanch (change color when you apply pressure). If you have red spots and experience confusion, fever, or rapidly spreading spots get immediate medical...

Feb 26, 2022 · Petechiae are tiny red spots, usually less than 2 mm, that form on the skin and membranes lining body surfaces like the mouth and eyes. The non-blanching rashes have multiple causes, making them common among different age groups.

Oct 7, 2023 · Telangiectasia vs petechiae: What is the difference? Telangiectasias are dilated blood vessels that will blanch when pressure is applied, while petechiae are bleeding spots that do not fade or blanch with pressure. Key points. Petechiae, purpura, and ecchymosis appear due to bleeding into the skin. The main difference between them is size.

Nov 26, 2024 · Petechiae are formed when tiny blood vessels called capillaries break open. When these blood vessels break, blood leaks into your skin. Infections and reactions to medications are two common...

Oct 10, 2023 · Petechiae is a condition in which red spots of 1-2 mm appear on any part of the body. It occurs due to intradermal (between epidermis and hypodermis) capillary bleeding. These spots are non-blanching as they do not disappear on applying pressure. Both petechiae and purpura are non-blanching spots.