I have itchy bumps on elbows and knees. What could it be?

Rash. Any skin condition is difficult to identify without seeing it or having more history. What does it look like?Is it red?Flad/raised? Etc. It could be that your knees have come into contact with something and is showing an allergic reaction. Could be eczema or psoriasis or skin rashes can sometimes be a sign of something going on internally. Best to have a doctor take a look and take a full history.
Many possibilities. There are many things that could cause the skin to itch. Several types of inflammatory conditions of the skin, allergic reactions, sun exposure, insect bites, and sometimes bacterial, viral or fungal infections can cause rashes on the skin. Have it evaluated by a professional and get the appropriate treatment.

Related Questions

Itchy bumps on elbows and knees. Why?

Allerfy? Psoriaisis? This could represent dermatitis or psoriasis. This could be assocated with food allergy or atopic dermatitis. Try hydrocrotisone over the counter. If not effective see dermatologist for evaluation amd treatment. Read more...
?irritation. Possibilities include atopic dermatitis, irritant dermatitis or possibly irritation due to friction depending on hobbies or occupation or bug bites. Although not typically limited to the joints, a condition called keratosis pilaris (excess keratin around hair follicle) is a consideration. If not resolve with moisturization or over the counter Hydrocortisone see a dermatologist. Read more...

I have tiny itchy bumps little bit reddish in elbow and knees, how can I treat this?

Many possibilities. There are many things that could cause a rash. 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. Read more...

My 8 year old son has flesh colored NOT itchy bumps that sort of look like bug bites or hives but only on his knees and elbows, what could it be?

Rash. It is difficult to know for sure without more history and without seeing the rash, but may be a type of virus or wart called molluscum contagiosum. Let your doctor have a look. It does go away with time so most doctors leave it alone. All the best. Read more...

I have itchy bumps on the side of my elbow, side of my knees, side of my armpits, on my waist and my lower spine.?

Need pic. I think a picture wil be helpful in diagnosing your problem. It could be anything from eczema to molluscum, to scabies. Read more...