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Doctor insights on: Swollen Knee With Skin Rash Behind It

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New laundry detergent caused me to get a skin rash on my legs and behind my knees. Now it seems behind my knees is a little swollen. What can I do?

New laundry detergent caused me to get a skin rash on my legs and behind my knees. Now it seems behind my knees is a little swollen. What can I do?

Stop: Stop using the new detergent and switch to one without harsh chemicals or fragrances. Something like ivory or similar store brands...See your family doc for a check of the symptoms to make sure that is what it actually is.... ...Read more

Dr. Brian Chimenti
209 Doctors shared insights

Knee Swelling (Definition)

Knee swelling can be clasified as intraarticular (inside the knee joint)has possible multiple condtions (artritis, torn meniscus, infection etc)the swelilng can be outside the knee (extraarticular)such as inflation ...Read more


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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?

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: 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 (loratadine) or allegra. ...Read more

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I had acl/meniscus repair on 18/12/2012 stil I have swollen knee when u think it will go and the darkness of skin where the cuts are, when will it go?

I had acl/meniscus repair on 18/12/2012 stil I have swollen knee when u think it will go and the darkness of skin where the cuts are, when will it go?

Wait: Scars take up a year @ mature, as # the swelling it will gradually go away as ur graft matures and u regain strenght. Occ. An aspiration is deeded if the swelling hampers ur rehab. ...Read more

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New laundry detergant gave me a skin rash on my legs and behind my knees. There is also some swelling behind my knees.?

New laundry detergant gave me a skin rash on my legs and behind my knees. There is also some swelling behind my knees.?

Hydrocortisone: First of all, all rashes are skin rashes; there is no other place to get a rash. Try otc Hydrocortisone cream for a few days. If the rash persists or worsens, a dermatologist should take a look to confirm the diagnosis and prescribe something stronger. ...Read more

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Slightly swollen knee little stiff and sore back off leg behind knee?

Slightly swollen knee little stiff and sore back off leg behind knee?

Tough to say: Could be a Baker's Cyst. Tough to say for sure. Ultrasound behind knee could show this. ...Read more

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I have a itchy rash looks blike dry skin it started on my chest and behind my knees. Ir?

I have a itchy rash looks blike dry skin it started on my chest and behind my knees. Ir?

See a dermatologist: It is difficult to make a proper diagnosis since I am not there to see the condition. I recommend seeing a dermatologist so that they can make a proper diagnosis and give you something to get rid of the condition or relieve symptoms. ...Read more

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Skin behind knee feels like I have a small burn. But the skin is normal with no rash or redness or swelling. I don't have pain just a rash feeling.?

Skin behind knee feels like I have a small burn. But the skin is normal with no rash or redness or swelling. I don't have pain just a rash feeling.?

Nerve endings: It appears that you have irritable nerve endings in the superficial nerves behind the knee. As long as there are no other symptoms of redness, tenderness, swelling or distended veins, there appears to be no serious problem. ...Read more

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I have 4 circular rashes on my feet, knee and knuckles. They don't itch or hurt but are growing. As a side note, my knuckles are swollen. Any ideas?

I have 4 circular rashes on my feet, knee and knuckles. They don't itch or hurt but are growing. As a side note, my knuckles are swollen. Any ideas?

Many possibilities: Rashes that are circular could be due to a number of possible conditions including psoriasis, eczema, lichen planus, and some granulomatous conditions. Psoriasis can be associated within arthritis. Consult a dermatologist to check the rash and for a potential biopsy and lab work for your symptoms. ...Read more

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Very itchy rash under arms and breast, behind knees and ears, inside elbows and in vaginal and anal area. Skin biopsy show eosinophils. What does this mean? Could this be a food sensitivity?

Very itchy rash under arms and breast, behind knees and ears, inside elbows and in vaginal and anal area. Skin biopsy show eosinophils. What does this mean? Could this be a food sensitivity?

Eosinophilic rashes: A variety of diseases can cause diffused skin rashes with eosinophilic infiltration including those mentioned in previous answers. However it seems like it affects both skin and mucus membrane and it is very diffused. Hypereosinophilic syndrome is a concern. Either an allergist, dermatologist, or hematologist can help you in this case. ...Read more

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My 2 year has a red blotchy rash and swollen knees. What should I do?

See the peds: I assume he has a fever too. He needs to be seen by a doctor asap. ...Read more

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I'm in need of a knee cartilage graft from a car wreck, but now the back of my knee is puffy and swollen and has a bit of rash. Is it related to injy?

I'm in need of a knee cartilage graft from a car wreck, but now the back of my knee is puffy and swollen and has a bit of rash. Is it related to injy?

MVA knee pain: Most likely this is related. With regard to the surgery I would suggest that you speak to someone who deals in regenerative procedures (Stem Cell) in the knee. This may be a good option before any surgery - this also depends on your pathology also. ...Read more

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I have swollen knees and red rash that does not itch on both legs for 2 days now what could it be?

I have swollen knees and red rash that does not itch on both legs for 2 days now what could it be?

Go to see a Doctor: Maybe just taken diuretic you can get well. Whoever you need to see a Doctor for better evaluation diagnosis and treatment. ...Read more

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I'm concerned because I have swollen hands and knees and red itchy rash!?

I'm concerned because I have swollen hands and knees and red itchy rash!?

Arthritis rash can b: Inflammatory, and psoriais can be associated with a condition know as dactylitis and can affect the knees as psoriatic arthritis

. Other causes are infection, gout, lyme disease, . ...Read more

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My daughter's developed a rash on her legs (red marks, white ring - raised). Her knee has now swollen up and hurts. What could it be?

My daughter's developed a rash on her legs (red marks, white ring - raised). Her knee has now swollen up and hurts. What could it be?

Consider HSP: Henoch-Schonlein Purpura causes a skin rash typically below waist, pain in the joints, and sometimes stomach pain. The rash looks like small bruises or small reddish-purple spots. It's usually on the buttocks, around the elbows and on the legs. HSP can also cause fever, nausea, vomiting and diarrhea. Symptoms can last for about 4-6 weeks. HSP usually gets better without any treatment. ...Read more

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My 8 year old daughter has been on miralax (polyethylene glycol) since she was a year old. For the past 2 years she has had a skin rash on elbows and knees. Any link possib?

DETAILS????: Why is the child using a laxative? If there is not a very, very good reason, this needs serious attention from a DR, preferably a gastroenterologist. No, the rash, probably eczema or psoriasis, is not due to miralax (polyethylene glycol). This is best addressed by a dermatologist. ...Read more

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After hot showers have red rash on thighs, knees, and feet. Feet r bright red, swollen, & numb. Same symptoms on hand 2 nights ago, any thoughts?

Increase blood flow: Increase in temperature (hot shower) cause increase blood flow to the extremities and skin and you could have red rash type appearance and associated swelling and numbness. ...Read more

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My 8th mnt daughter has skin rashes on head, elbows, knee, bumps, cheeks, neck, arm. Her dad has psoriasis. Cud it be d same n is it serious? Using cetaphil.

My 8th mnt daughter has skin rashes on head, elbows, knee, bumps, cheeks, neck, arm. Her dad has psoriasis. Cud it be d same n is it serious? Using cetaphil.

Itchy?: At this young age, I would be more suspicious of eczema (atopic dermatitis) which may be linked to food allergies as well as airborne allergens. If these rash itch, then eczema is more likely. If you are using Cetaphil lotion, be sure to use it regularly and apply it within 3 mins after bathing. Talk to your pediatrician. A discussion of eczema can be found elsewhere. ...Read more

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I feel pain in legs. N my breath shortens when I go upstairs. Rashes on skin of thighs near knees on both legs like the scars due to scratching of nail?

I feel pain in legs. N my breath shortens when I go upstairs. Rashes on skin of thighs near knees on both legs like the scars due to scratching of nail?

Be seen: Many possibilities, I would encourage you to seen. One possibility in a 20 year old female is that you have developed a rheumatologist condition. Lupus is characterized by joint pain, rash, and some people can have cardiac involvement. This is not to say you have lupus, but I would be seen to have am accurate diagnosis. ...Read more

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Have a petal like dry skin rash on back of knee, to front, also a round one below belly button, was told it was ringworm/lotrimin, nope, any ideas?

Have a petal like dry skin rash on back of knee, to front, also a round one below belly button, was told it was ringworm/lotrimin, nope, any ideas?

Eczema: What you are describing sounds like eczema or an allergic contact dermatitis to nickel. Sometimes the nickel found in the metal snaps on jeans will contact the skin and cause an allergic reaction where it contacts. The rash on the back of your knee is likely more along the lines of eczema. It is difficult to tell, so I would recommend you see a dermatologist to check it out. ...Read more

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Itchy, burning rash on elbows & knees. Diff & infreq urinating. Pain n bk woke up swollen arms-fing, knees- toes&face. Have lupus&fibro any ideas?

Lupus flare: The symptoms you are describing sound pretty severe. The rash on the elbows and knees is consistent with psoriasiform lupus and I am concerned about your back pain which could be related to pancreatitis. Since you know you have an autoimmune disorder, I would make an appointment with your rheumatologist asap. ...Read more

Dr. John Chiu
2,673 Doctors shared insights

Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more


Dr. Cornelia Franz
1,059 Doctors shared insights

Rash (Definition)

A rash is a change to skin condition which can affect color, appearance, or texture. It may or may not ...Read more