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Doctor insights on: White Welts On Skin

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What are welts on the skin usually caused by?

What are welts on the skin usually caused by?

Multiple causes: Welts or hives on the skin are usually triggered by increased allergy cell activation (mast cells) that release histamine. If present for less than 6 weeks, they can be secondary to medication, infection, food, or sting. If they last greater than 6 weeks, there is often no known cause or there can be an autoimmune etiology. ...Read more

Welts (Definition)

Welts is another description of hive or swelling in the skin. They are pink, raised and with a vague border. The term welts is used more often for larger pinkish swelling in the skin, whereas , hives are often smaller pinkish swellings. Both are caused by histamine release in the skin which usually ...Read more


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What are these welts that appear right after I scratch my skin?

What are these welts that appear right after I scratch my skin?

Dermatographism: Welting of the skin immediately following rubbing is called dermatographism or dermatographic urticaria (medical word for hives). It suggests that a cell population in your skin, called mast cells, are releasing histamine. It is seen in 4-5% of people. In most cases a cause is not discovered. If it bothers you, try antihistamines like zyrtec or Benadryl (diphenhydramine) (check interactions and contraindications). ...Read more

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After scratching my skin I get welts and my skin becomes really hot and it Hurst a little?

After scratching my skin I get welts and my skin becomes really hot and it Hurst a little?

Dermatographia: Some people have really sensitive skin. If you scratch your skin, you will get a raised rash on the affected skin. There is nothing to do about this, aside from taking benadryl (diphenhydramine). Try writing words on your skin with your fingernails. If it works, you have sealed the diagnosis. Hope this helps! ...Read more

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Why when i scratch my skin i welt?

Wilting: It is called urtication and is normal. Pressure on the skin releases histamine and other factors, which cause the welt. The same thing happens when you get bitten by an insect, or get hives. ...Read more

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What vitamin can cause skin welts?

What vitamin can cause skin welts?

Niacin?: Flushing Niacin can cause flushing and itch, but if you are having welts, you may be allergic to something else. ...Read more

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Have bumps on body that look like welts feel like dry skin and itch?

Have bumps on body that look like welts feel like dry skin and itch?

Bumps: Please see your doctor. You may be helped there and you might also be referred to a specialist in welts. Wish you well. ...Read more

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For what reason does my skin welt up whenever i itch or just slightly itch?

For what reason does my skin welt up whenever i itch or just slightly itch?

Dermatographism: When the skin is scratched, a hive develops. Most cases happen for no known reason, although it can be seen after one gets an upper respiratory infection, a medication, or collagen vascular diseases. Again, most common it comes for no known reason. Treatment is simple--take antihistamine every day (i.e. Zyrtec, claritin, (loratadine) allegra). Most will resolve with this. Take for 3 months and try stopping. ...Read more

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When my skin is scratched by anything, it turns red and welts up. What can I do or take to prevent this?

When my skin is scratched by anything, it turns red and welts up. What can I do or take to prevent this?

Dermatographia: It sounds like you may have a condition known as dermatographia (literally "skin-writing"). In this condition, any little scratch can cause a local allergic reaction, which is the red welt you are seeing. If this is correct, it is often treated with antihistamines or topical steroids. You should be evaluated by a dermatologist or allergist. ...Read more

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Could an alergic reaction trigger my daughter's skin to welt up every time she scratches her skin or gets scratched?

Could an alergic reaction trigger my daughter's skin to welt up every time she scratches her skin or gets scratched?

Possibly: But there is a condition called dermatographia where you can actually "write" on the skin and it will stay raised for some time. This is normal and not an allergy or problem. ...Read more

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I am allergic/reactive to many things. A pen top dragged across skin causes welt for days. How can I get a skin test just the scratching will react?

I am allergic/reactive to many things. A pen top dragged across skin causes welt for days. How can I get a skin test just the scratching will react?

See a dermatologist: Dermographism is a physical urticaria, not an allergy. Relax, don't worry about it. In time it will subside. You can write messages on your skin. If it bothers you, try zyrtec (cetirizine) (get the generic) 1 or 2 a day. No blood tests or allergy tests will help you. ...Read more

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