Red rash like bumps on both my upper arms?

Hmmm? Without obtaining more history from you; and certainly without examining you and visualizing them i cannot comment. Best advice is to see your doctor so they can be seen; and diagnosed/treated.
Dry? This time of year- winter itch/eczema flares in sensitive skinned people. These usually show up a dry patchy areas with skin colored bumps that may redden if irritated. Treatment is moisturize/no hot showers/drink plenty of water-60-80oz a day/ avoid harsh soaps or perfumed lotions..

Related Questions

I have a pimple like rash (not red skin just bumps) under both upper arms, only itches when tshirt brushes up against it and doesn't hurt?

See your doctor. If you've recently changed your underarm deodorant, detergent washing clothes, or have sensitivity to this in your underarms, or upper arms, you need to have your doctor see it, and diagnose it properly, and treat it. It may be something very simple to do. Plus, you want it documented in your chart, or have photos taken. Good thing it doesn't hurt. Read more...
Pimple like . Rash - sounds benign . Just observe for now. Do take a picture for documentation . In meantime , cover it with a bandaid to avoid getting irritated by your clothing. Read more...

I have a rash on my upper arms, armpits, breasts, back and its the worst on my stomach and tighs. It looks like red bumps, but it hardly itches at al

Difficult to assess. Rash descriptions are difficult to diagnosis without examination or an image. Please consult your primary or with us via Prime. Read more...
Pityriasis rosea? This rash, which often follows a viral or upper respiratory infection, often begins with a single patch, classically on the abdomen or armpit. It then spreads to the extremities. Only about 1/4 people suffer from itching. No treatment is usually required, especially if there is no itching. UV light/sunlight may speed recovery. It usually resolve in a matter of weeks, but up to 6 months. Good luck. Read more...
Send us a picture. You can upload a picture of the rash at www.imgur.com the picture will be tagged with its own URL website You can resubmit the question to us again with the URL address listed and we will be able to view it. This is all done anonymously. Read more...

What may cause red bumps (rash) like allergy, to come and go away on arms and back? What are the causes?

Keratosis Pilaris. Keratosis pilaris is a common skin condition in which a protein in the skin called keratin forms hard plugs within hair follicles. Causes, incidence, and risk factors keratosis pilaris is harmless (benign). It seems to run in families. It is more common in people who have very dry skin, or who have atopic dermatitis (eczema). Read more...
Sounds like hives. Obviously, the best thing is to see your physician to get evaluated. In the meantime, otc antihistamines can help with the itching. At your age, the vast majority of cases of hives never get diagnosed, and most often stop coming back in less than six weeks. Read more...