What causes a purple rash?
What causes a purple rash?
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.
What does vasculitis look like on lower legs?
Common vasculitis skin lesions are: red or purple dots (petechiae), usually most numerous on the legs. larger spots, about the size of the end of a finger (purpura), some of which look like large bruises. Less common vasculitis lesions are hives, an itchy lumpy rash and painful or tender lumps.
Is it normal for a rash to turn purple?
The rash is caused by inflamed capillaries rupturing, allowing small amounts of blood to accumulate in the surrounding tissues. Through time the rash changes color from red to a bruised, purple color.
Should I worry about purpura?
Patients who experience purpura with any of the following symptoms should seek medical treatment: low platelet count, which may lead to increased bleeding after an injury, bleeding gums or nose, or blood in urine or bowel movements. sore, swollen joints, particularly in the ankles and knees.
What is this purple rash on my leg?
Henoch-Schonlein purpura (also known as IgA vasculitis) is a disorder that causes the small blood vessels in your skin, joints, intestines and kidneys to become inflamed and bleed. The most striking feature of this form of vasculitis is a purplish rash, typically on the lower legs and buttocks.
What causes blue patches on legs?
Many conditions can cause your skin to have a bluish tint. For example, bruises and varicose veins can appear blue in color. Poor circulation or inadequate oxygen levels in your blood stream can also cause your skin to turn bluish. This skin discoloration is also known as cyanosis.
Why are my legs purple and blotchy?
Livedo reticularis is thought to be due to spasms of the blood vessels or an abnormality of the circulation near the skin surface. It makes the skin, usually on the legs, look mottled and purplish, in sort of a netlike pattern with distinct borders. Sometimes livedo reticularis is simply the result of being chilled.
How do you know if purpura is serious?
The rash often becomes widespread, so for example conjunctiva can occur as well as pinpointing on the skin, and in more severe cases the mucosal surfaces may bleed. Other signs include worsening abdominal pain, increased vomiting, liver enlargement, high haematocrit with low platelet count, lethargy or restlessness.
Can Purpura be caused by stress?
Psychogenic purpura (also referred to as Gardner-Diamond syndrome, autoerythrocyte sensitization, or painful bruising syndrome) is a rare and poorly understood clinical presentation in which patients develop unexplained painful bruises, mostly on the extremities and/or face, during times of stress.
What medications cause purpura?
Other drugs associated with drug purpura include the following:
- Antibiotics (eg, cephalosporins, rifampicin)
- Gold salts.
- Analgesics.
- Neuroleptics.
- Diuretics.
- Antihypertensives.
Why do my legs look purple and blotchy?
What does a rash on the lower leg look like?
A skin rash on one lower leg can appear red, blotchy, or have a dry and scaly texture. Most rashes on the lower leg are caused by dermatitis, eczema, or an allergic reaction which will look like red, itchy bumps on the leg.
What to do if you have a rash on your legs?
Thereafter, your doctor will give medicines to relieve symptoms such as fever, itching, coughing, etc. Dermatitis or eczema as a skin condition can also be a kind of skin rash on the legs especially the lower legs and the knees.
What causes redness on the bottom of the legs?
What causes redness in lower legs? 1 Infectious causes. 2 Blood vessels. 3 Immune-mediated inflammation. 4 Irritant contact dermatitis. 5 Allergic contact dermatitis of the lower leg. 6 Cellulitis. 7 Squamous cell carcinoma. 8 Solar (actinic) keratosis. 9 Allergic reaction to poison ivy/oak/sumac.
What are the signs and symptoms of blue skin?
Common accompanying symptoms of blue skin If you’re experiencing blue skin, it’s also likely to experience: Hands turning white, then blue, then red Cool skin Pain and tingling Difficulty breathing Tenderness of the blue area Raised skin Abnormally rounded fingernails Worried about a condition?