Go see a doctor.
scream
1. having or causing an itching sensation. 2. characterized by itching.
pimples.
warts
A common and persistent skin condition, scabies causes intense itching, Caused by Small blisters and red patches will form on the skin above each mite and turn itchy as a result of this reaction.
It's a rash.
Dysnidrosis
Psychogenic itching occurs when emotional problems are the primary reason for feeling itchy.
Chickenpox causes widespread bumps, not clustered. Shingles or poison ivy are just a couple of problems that can cause a cluster of itchy bumps. See your health care provider for definite diagnosis and treatment.
If your bumps are itchy it could be scabies....thats usually where they start....then it spreads to other areas known as hot spots such as behind the knees, wrists, where your arm bends...etc. It is usually worse at night when you are sleeping if it is itching....if it continues you need to see your doctor
Because you have itching powder in your underwear
It is not an idiom, it means your nose is itching.