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Doctor insights on: U Shaped Welt Rash

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What causes rashes that look like welts? In toddlers

What causes rashes that look like welts? In toddlers

Urticaria: It is usually due to an infection somewhere in the body. The second most common cause would be an allergy to something. ...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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My boyfriend has had a ring shaped rash, no bumps in his calf about a week, yesterday a ring shape bruise appeared within and against the rash?

My boyfriend has had a ring shaped rash, no bumps in his calf about a week, yesterday a ring shape bruise appeared within and against the rash?

See Your Doctor: You described a few details about the rash however not enough information is given to deduce the cause. Annular shaped rashes are common; can range from fungal infections to contact dermatitis. Diagnosis of skin findings is challenging without visual inspection. Additionally, a detailed medical history is needed to assess all possible causes. See your doctor for the correct diagnosis and treatment ...Read more

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I have itchy welts and rashes, my whole body itches, remedy?

I have itchy welts and rashes, my whole body itches, remedy?

Drug reaction: If you have started taking any new medications that caused the rash then try stopping the medicin ad see if it will improve other wise you have to see your doctor could be serious. ...Read more

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I have severe itching accompanied by bumps, welts, and rashes - scabies or something else?

I have severe itching accompanied by bumps, welts, and rashes - scabies or something else?

Could be scabies: You are describing either scabies or eczema (allergy). If you are also itching in hands and feet it is very likely that it is scabies. In that case all medications are prescription based so you need to see a dr. If not you may try otc Hydrocortisone cream + oral benadryl (diphenhydramine). ...Read more

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Red rashes welts appeared on my babies body 2 days after the hepb vaccine, what's wrong?

Red rashes welts appeared on my babies body 2 days after the hepb vaccine, what's wrong?

Reaction: Could be reaction to vaccine. I would take a picture and not get the next one. If the baby is not engaged in high risk behavior like IV drugs and sex then there is no real reason to get the hepatitis vaccine. ...Read more

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I've recently started getting really itchy all over my body but the worse spot is my stomach, back and my thighs. There are no noticable bumps or rashes but when I do end up itching them I get some pretty extreme welts. What could possibly be causing this

I've recently started getting really itchy all over my body but the worse spot is my stomach, back and my thighs. There are no noticable bumps or rashes but when I do end up itching them I get some pretty extreme welts. What could possibly be causing this

Dermatographism: Your condition sounds like dermatographism. This is a type of urticaria (hives). It normally resolves in a few months, but some patients may persists with symptoms for years.
Treatment with anti-histamines like zyrtec or Allegra (fexofenadine) are usually very effective.
Be sure to consult with your dermatologist to confirm your diagnosis and evaluate you for possible triggers. ...Read more

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I have a rash. One doc said bed bugs. The next said eczema. They are sporadic welts ann patches of red rashes. Any insight? Very itchy. On tummy &back

I have a rash. One doc said bed bugs. The next said eczema. They are sporadic welts ann patches of red rashes. Any insight? Very itchy. On tummy &back

Eczema: Both of the diagnoses are plausible. Bed bug bites also happen often on the arms and legs. Also, you may find them if you search and you might notice a pungent odor. If these are not the case, it is more likely eczema. Try the treatment they have prescribed for a few weeks and see if the symptoms are eliminated. ...Read more

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I have weird rash and unusual welts, should I be concerned?

I have weird rash and unusual welts, should I be concerned?

Many possibilities: There are many types and causes of skin rashes that could cause itching. Several types of inflammatory conditions of the skin, allergic reactions, and sometimes bacterial, viral or fungal infections can cause rashes on the skin. Insect bites can also be the cause of a rash on the skin. Have it evaluated by a professional and get the appropriate treatment. ...Read more

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My baby's been developing small welts and redness on his face, looking a little like rash. What causes it?

My baby's been developing small welts and redness on his face, looking a little like rash. What causes it?

Infantile rash: This could be a number of things depending on the age of your child. Anything from erythema toxicum neonatorum to infantile acne are all potentially possible. I would recommend you have your pediatrician have a look first, and if your child is behaving like he/she is sick then sooner than later. ...Read more

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9 year old Child broken out in rash/welts all over her body. She has allergies. Was washing dogs to today.?

9 year old Child broken out in rash/welts all over her body. She has allergies. Was washing dogs to today.?

Let her shower: And give her any antihistamine you have as diphenhydramine, or cetirizine, etc, watch for any sign of airway/breathing problem, keep epinephrine injection handy, if you have one in case she develops breathing difficulty, loss of consciousness or severe lip swelling and throat swelling, hopefully not. If not responding to antihistamines, or getting more severe reaction, go to ER or urgent care ...Read more

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Can fish oil cause welts or rash?

Fish oil: It can if you have a seafood allergy. ...Read more

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Red welts no sunburn looking rash could it be hiv?

Red welts no sunburn looking rash could it be hiv?

HIV: This is conceivable, but no clinical findings are reliable in predicting HIV infection. If you have been potentially exposed it is wise to be tested. Good luck. ...Read more

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Itching/welts/rash everyday if I don't take antihistamines, has been happening for over 2 years, what could b wrong? Itching occurs everywhere

Itching/welts/rash everyday if I don't take antihistamines, has been happening for over 2 years, what could b wrong? Itching occurs everywhere

Chronic urticaria: You likely have CU about 30-40% of which are thought to be from an autoimmune cause. IN the absence of throat swelling and given your response to antihistamine, this is more a quality of life than a health issue. An allergy consult may be beneficial. ...Read more

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Hoping you can tell me, is rash or welts normal after laser hair removal?

Hoping you can tell me, is rash or welts normal after laser hair removal?

Purpura: After laser hair removal there can be raised red bumps called purpura. It is normal and usually lasts 2 hours or so. ...Read more

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I have rash on my stomach that looks like welts and mosquito bites what could it possibly be?

I have rash on my stomach that looks like welts and mosquito bites what could it possibly be?

Hives: You're describing a kind of rash known as hives. The cause can be from many things. They are usually itchy and can come and go over a few hours. This could be from an allergic reaction of some kind -certain foods, medications or other allergen. I would call your primary doctor now and get seen. The cause needs to be determined, because allergies can be serious. Go to an ER/Urgent care if needed. ...Read more

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Itching all over past 2 days. Won't stop. No rash welts bites nothing. Live with my 4yr old son. He is not itchy. Any idea?

Itching all over past 2 days. Won't stop. No rash welts bites nothing. Live with my 4yr old son. He is not itchy. Any idea?

Itching no rash: Commonest cause of itching without rash is dry skin.Other is scabies which is ccaused by a mite which buries under the skin and causes intense itching
other rare causes are liver and kidney diseases
you can consult your family doctor or a dermatologist to find the cause. ...Read more

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Hi, I have moved to malaysia recently with my girlfriend and she gets this rash that looks like welts on her neck stomach and head?

Hi, I have moved to malaysia recently with my girlfriend and she gets this rash that looks like welts on her neck stomach and head?

Welts: Welts or hives are known as urticaria in medicine. They could be due to allergic reaction to something she is exposed to in malaysia. She could try antihistamines such as diphenhydramine. But she should be seen by a doctor if there's no improvement. ...Read more

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I'm experiencing red itchy bumps that turn into rashes in random spots of my body no new products or anything when they heal they bruise?

Red random rashes: More info needed, and visual exam, to begin to guess what could be going on. Dermatologists are the best at diagnosing this type of problem, especially if biopsy is appropriate. It could be a form of atopic dermatitis (eczema) or something more serious like vasculitis, low platelet count, or even scabies. Trusted products can sensitize too, after long use; contact dermatitis is always possible. ...Read more

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Rash mainly on my arms and shoulders (top of my back) and down my arms that looks like mosquito bites. Welt up when I itch them. What could it be?

Rash mainly on my arms and shoulders (top of my back) and down my arms that looks like mosquito bites. Welt up when I itch them. What could it be?

Rash: There are many possibilities, but one which must be considered is an allergic reaction to something you have recently started using. If you cannot figure this out by discontinuing some things you should see a dermatologist and have this examined. Good luck. ...Read more

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Been getting rash every day over year now. Skin itches then I get a big red welt or tons of little bumps that sometimes form a line. Help! Been to doc?

Been getting rash every day over year now. Skin itches then I get a big red welt or tons of little bumps that sometimes form a line. Help! Been to doc?

Allergist/skin doc: First you may try taking an otc antihistamine up to 4 regular doses per day. If this problem fails to respond, persists or gets worse, then see a dermatologist or an allergist. ...Read more

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I get hard painless welts all over my stomach whenever I'm out in the sun even when I'm wearing a shirt. It's not heat rash, any idea what it could be?

I get hard painless welts all over my stomach whenever I'm out in the sun even when I'm wearing a shirt. It's not heat rash, any idea what it could be?

Cholinergic Hives: Cholinergic urticaria is a medical term used to describe a subcategory of physical urticaria (hives). It is characterized by a hypersensitive response in the skin as a result of the body increasing in temperature (passively or actively), or the precipitating release of sweat. Treatment can be oral antihistamines. ...Read more

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My son has a rash that has not have welts or bumps, itches, burns and the ras is inside of the skin. Wat kind of rash is this? No bumps welts, burning, breaks in and out of the rash, and itches

My son has a rash that has not have welts or bumps, itches, burns and the ras is inside of the skin. Wat kind of rash is this? No bumps welts, burning, breaks in and out of the rash, and itches

Hypersensitivity: Hypersensitivity (also called hypersensitivity reaction) refers to undesirable reactions produced by the normal immune system, including allergies and autoimmunity. These reactions may be damaging, uncomfortable, or occasionally fatal. Hypersensitivity reactions require a pre-sensitized (immune) state of the host. Causes include foods, meds, infections, systemic diseases and others. ...Read more

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My son has a rash that has not have welts or bumps, itches, burns and the ras is inside of the skin. Wat kind of rash is this? No bumps welts, burning, breaks in and out of the rash, and itches

My son has a rash that has not have welts or bumps, itches, burns and the ras is inside of the skin. Wat kind of rash is this? No bumps welts, burning, breaks in and out of the rash, and itches

An: An itchy rash with raised red bumps can be caused by many, many things such as:
-food or drug allergy
-viral infections such as fifths disease, roseola, ebv, CMV just to name a few
-insect bites such as fleas or scabies
-bacterial infection such as scarlet fever (caused by strep)
-medication reaction

or it can be seen in very rare things such as:
-measles
-toxic shock syndrome
-kawasaki disease
-meningitis
-stevens-johnson syndrome
-rocky mountain spotted fever disease

the list goes on and on.

The best thing to do is to call your child's doctor. They may want to take a look to see what it may be. Odds are that if your child does not have a fever or is not acting sick, then it's probably nothing serious. ...Read more

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What to do for bruise like rashes on legs, butt, and arms that d not itch or hurt?

What to do for bruise like rashes on legs, butt, and arms that d not itch or hurt?

Ice and compression: Ice and compression to the area with a wrap. Bruising is below the skin bleeding, so elevating the area will help relieve pressure. Also, massaging the area gently while taking over the counter anti inflammatory meds. I hope this helps. If so, please vote for me. Thanks! ...Read more

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My friends 2 yr old has a welt looking rash on her feet, no fever. What could it be and what to do?

My friends 2 yr old has a welt looking rash on her feet, no fever. What could it be and what to do?

Observe: If the child is not bothered by the rash you could observe it. If it is painful or spreading it should be examined by your doctor to see what it could be. ...Read more

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My friends 2 yr old has a welt looking rash on her feet, no fever. What could it be and what to do?

My friends 2 yr old has a welt looking rash on her feet, no fever. What could it be and what to do?

Depends.: If it bothers your friend or her child, they can go see her doctor. Poison ivy, bug bites, or allergies are all possible. ...Read more

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I have been diagnosed with chronic hives and angeodema for 6 years. Allso have this mysterious rash that stats offf as a welt then becomes blisters.

I have been diagnosed with chronic hives and angeodema for 6 years. Allso have this mysterious rash that stats offf as a welt then becomes blisters.

May be other issue: Chronic hives and swelling are annoying. As you know....But they usually don't cause blisters. Take some pix and see your dr. ...Read more

Dr. John Chiu
2,673 Doctors shared insights

Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more


Dr. Cornelia Franz
1,059 Doctors shared insights

Rash (Definition)

A rash is a change to skin condition which can affect color, appearance, or texture. It may or may not ...Read more