Quick Answer: What Is The Difference Between Petechiae And Purpura?

What causes petechiae and purpura?

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 causes of petechiae.

CMV is an illness caused by a virus….Causes of petechiae.Type of drugExamplesSedativeschloral hydrate6 more rows.

What is Purpura a sign of?

Purpura occurs when small blood vessels burst, causing blood to pool under the skin. This can create purple spots on the skin that range in size from small dots to large patches. Purpura spots are generally benign, but may indicate a more serious medical condition, such as a blood clotting disorder.

How can you tell if you have petechiae?

Petechiae are pinpoint, round spots that appear on the skin as a result of bleeding. The bleeding causes the petechiae to appear red, brown or purple. Petechiae (puh-TEE-kee-ee) commonly appear in clusters and may look like a rash. Usually flat to the touch, petechiae don’t lose color when you press on them.

What does leukemia petechiae look like?

As a result, there may not be enough platelets to block any burst capillaries, and blood can leak out into the skin. This leakage can cause tiny red, purple, or brown spots called petechiae to emerge on the skin. Small collections of these petechiae can form, giving the appearance of a rash.

Can petechiae be harmless?

Petechiae may also appear in aging skin. These forms of petechiae are generally harmless and disappear within a few days. Petechiae may also be a sign of a serious blood disorder called thrombocytopenia.

How long can petechiae last?

Petechiae typically resolve in 2 to 3 days but can evolve into ecchymoses, palpable purpura, vesicles, pustules, or necrotic ulcers, depending on the cause and clinical course.

Can petechiae come and go?

For those who don’t know, petechiae are dots of blood which appear under the skin; they often appear with purpura, which are larger areas or patches of blood under the skin, rather like a bruise. They appear suddenly, then fade over time.

Should I worry about petechiae?

They’re not a disease, but a symptom. A number of things can cause them to happen, from a severe coughing fit to an infection. Often, petechiae are nothing to worry about. Still, it’s always a good idea to check with your doctor if you’re not sure where these spots came from.

What medical conditions cause petechiae?

Petechiae may be caused by any of a number of fungal, viral and bacterial infections, including:Cytomegalovirus (CMV) infection.Endocarditis.Meningococcemia.Mononucleosis.Rocky Mountain spotted fever.Scarlet fever.Sepsis.Strep throat.More items…•

Does petechiae always mean leukemia?

Small round spots that appear on the skin caused by bleeding, petechiae (pronounced puh·tee·kee·uh) may be a symptom of leukemia. The spots, which you might not notice because of their small size, painlessness, and placement in the lower extremities, indicate a low platelet count.

What do Leukemia red spots look like?

During the progression of leukemia, white blood cells (neoplastic leukocytes) found in bone marrow may begin to filter into the layers of the skin, resulting in lesions. “It looks like red-brown to purple firm bumps or nodules and represents the leukemia cells depositing in the skin,” Forrestel says.

Can low iron cause petechiae?

You may bleed easily and often when you go to the bathroom with a bowel movement. His may be a sign of a blood clotting disorder, or low blood platelets. You may have tiny red dots on your skin, called petechiae (pe-TEEK- ee-ay).