I have small red like blisters bumps that are itchy on my hand and mow I have it on my elbows and on my knee im not sure if this an allergic reaction?

Difficult to say. As you can imagine, rashes of any type are difficult to diagnosis definitively without an examination. Recurring rashes can be due to allergies, eczema, infections or other causes. Best to see your family doctor, internist, or dermatologist to get a diagnosis and treatment plan.

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My 8 year old daughter has multiple, tightly packed clusters of itchy, slight red, non fluid filled bumps on her elbows, knees, ankles, toes, and back of her hands.

Atopic Dermatitis? Your description is very suggestive of Atopic Dermatitis or Eczema. This condition tends to worsen with changes in weather, humidity, use of strong detergents or harsh body soap. Sometimes it may get super infected with bacteria or fungus. If moisturizers don't improve rapidly the condition, I suggest to see a doctor. Read more...