red itchy bumps on knuckles

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Dr. Johnnie Alston answered:

what causes an itchy rash with little bumps on top of my feet and redness on lower legs? Also bumps are not itching anymore, now they are dry bumps.

Allergic reaction

Leg
Usually rashes on the top of your feet are casued by some type of allergic reaction or contact dermatits. With your lower legs involved I would rule out edema/swelling as an issue as well. Your socks or shoes could be creating the rash on your feet more so if they got wet while wearing them or if you have changed soaps or detergents. If the rash persists or returns get examined by a doctor.
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Dr. Keith Ramsey answered:

What could a red itchy rash on knuckles and elbows be?

Psoriasis?

Dermatology
It could be psoriasis. It could be something else. I would see a dermatologist for it.
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Dr. Ajay Acharya answered:

What can cause an itchy rash on hands and cracked skin on knuckles?

Eczema

Psoriasis,Eczema, Shyphillis etc possible. See PMD.
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Non-itchy rash around mouth and red bumps on torso. What could this be?

Rashes

Peanut_allergy
they may not be related, you need to see a doctor for a proper diagnosis and treatment
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Dr. Joel H. Selter answered:

I have had a dry red itchy rash on my neck for 2 months.  Sometimes it gets irritated and gets what looks like hives on it...white bumps.  ?

Contact dermatitis

Dermatitis
This sounds like a contact dermatitis - either allergic or irritant. Very possibly related to necklace or other article of clothing that may come in comtact with that area.
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Dr. Bruce R. Saran answered:

Sudden appearance of red itchy rash behind my knee, swelling and spreading. I scratched my eyelid and got four bumps there too so its spreading?

Allergies

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Patients with allergies can develop red and itchy skin around the eyes and on the eyelids from allergies. Behind the knees and on the inside part of the elbow too.This skin condition is called allergic dermatitis or allergic eczema. You can use a hypoallergenic cream/lotion: Cetaphil or Lubriderm and consider contacting your medical doctor about taking allergy pills-such as Claritin or Allegra.
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Dr. John T. Chiu answered:

Why do I have a red, itchy rash with no bumps along my jawline and neck? I have sensitive skin. Just started taking Gildess Fe 5 days ago.

Stop Gildess

Pruritis
If you suspect Gildess, stopping it for a couple of week would be a prudent approach but there are also other probabilities. If the problem persists and not helped with hydrocortisone cream, consider seeing a dermatologist.
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Dr. John T. Chiu answered:

Red itchy rash under breast and groin area it looks like sun burn with bumps. I'm itchy all over but no rash other then those areas. What can this be?

Yeast infection?

Groin
If you are overweight, the areas under the breasts, the love handle, and the groin are more susceptible to Candida infection. If this applies to you, try to keep these areas dry by using antiperspirant . In the meanwhile try some anti-fungal cream on the areas for a few days. If still not improved after a week, see you doctor. For overweight people, losing some weight should be a long-term goal.
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I have an very itchy rash for the past 4 weeks little pin pric red bumps on my upper back, chest, stomach and upper arm areas I'm a 30 year old female?

Rash

Rash
the rash needs to be examined to be diagnosed and treated properly, you should see your doctor
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