blotchy rash on arms and legs not itchy

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Dr. Oscar Novick answered:

Non raised, non itchy, red blotchy rash on arms and legs only for 5 days now, taken strong antihistamines but it's getting worse doctor is unsure?

Red splotchy rash

Dermatitis
You may have erythema infectiosum or Fifth's disease which is a harmless viral exanthem
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Dr. Robert Kwok answered:

I have had severe upper rhespiratory problems due to allergies for the past few days but today they re better but now after taking a claritin and a hot shower I have a blotchy red rash on my arms and legs It s not itchy but I m wondering what the cause mi

Viral? Allergic?

Open-uri20120905-14780-15lujt8
Blotchy appearing reddish rashes can occur when the blood flow in the tiny vessels at the skin's surface change, such as in an allergic rash, a viral rash, or in reaction to changes in skin temperature. Viral infections that cause cold symptoms and other symptoms can sometimes cause such skin patterns (Fifth disease, caused by a virus, can cause reddish patterns). A doctor can evaluate if needed.
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Dr. Payam Rafat answered:

I have red itchy, pinprick, blotchy rash on my leg, what is this and treatment?

Depends on the cause

Leg_cramps
There are many types and causes of skin rashes. 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.
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I have a rash under my arms and on my hands and wrists. It's not itchy, just red and blotchy. Could this be part of tonsilitis?

Fever or medications

Hand
Did the rash appear along with a tonsillitis? were you being treated for it? An infection can cause a rash and a medication can cause it too. If you were given an antibiotic and the rash appeared afterwards, call your doctor.
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Rash appeared suddenly, somewhat blotchy, red bumps all over my stomach, thighs, chest, and arms. Not itchy. Haven't changed anything: detergent etc.

Many causes

Open-uri20130421-7572-1e9jeip
depending on the type of your rash the cause varies from a viral infection to hives, you need to have a doctor look at it and determine what is the problem
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I have itchy rashes on my thighs, legs, elbows , arms and hands from taking codiene, what can i use to stop the intense itching ?

See below

Elbow_joint
If it is truly related to the codeine, stop the codeine. Then Benadryl - likely 25 - 50 mg every 6 hours as needed. Hydrocortisone .1% to especially inflamed areas may help. If any respiratory distress, swollen, face, eyes, lips, tongue, feeling of throat closing, or even nausea or vomiting and diarrhea, go to ER ASAP of call ambulance if severe!
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Dr. Connie Topliff answered:

Been breaking out in small random rashes for last 3 months. On arms and legs. Lasts no longer than 10 mins and goes away. Justrred and itchy??

Sounds like hives

Leg
Which can be triggered by allergies, & stress. Sometimes an antihistamine like Benadryl, Claritin, Allegra, or Zyrtec can help, as well as avoiding any triggers. Sometimes it can be associated w celiac disease and/or wheat allergy. Nickel can be another trigger. If it worsens please see your doctor.
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Past three days been extremely itchy all over body, primarily arms and legs. No rashes,etc. No new changes at all. No allergies. What can be cause?

May be hard to find

Skin_rash
About 50 % of cases of itching without rash, one is not able to figure out the cause. Of course, the common allergens are something inhaled that the histamines in the body react to; or some new perfume or scented lotion, deodorant or something else new used on skin. Suggest taking an OTC antihistamine daily, take only lukewarm showers. Will likely go away in 2-3 weeks. If not, the usual: c the doc
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I'm having rashes on my legs and arms. Can I wear long or thick clothes ?Because of doing this can make they less itchy. Will it affect my skin more?

Sure

Leg
experiment with different clothes and different fabrics. Usually cotton is very gentle on the skin and in your case the long clothes may really help.
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Dr. William Newton answered:

I have itchy skin rashes over my thighs, legs, arms, and elbows, ever since i took paracetamol-codeine tablets. What can i use for this intense itch ?

Allergy

Medication
Sound like a reaction to the medication. Itching can usually be helped with benadryl OTC. Just follow the directions on the package. You should also call the Doc who gave you the medicine to let them know your symptoms
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