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Doctor insights on: Rash Behind My Knee

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I got a sweat rash behind my knee a year ago. It disappeared a long time ago but it's coming back again since the weather's getting warmer. Normal?

I got a sweat rash behind my knee a year ago. It disappeared a long time ago but it's coming back again since the weather's getting warmer. Normal?

Eczema behind knees: Most of the time eczema gets worse when it is cold outside due to dryness of air both inside and outside. However in some people eczema flares in the spring and summer when humidity goes up. In this case keeping the area cool and using a fragrance-free moisturizing cream may help relieve the symptoms and improve rash. If not, please see your dermatologist. ...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


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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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After I drink several glasses of red wine, my right calf swells up, my leg aches, and I get an itchy rash behind my knee. What's going on?

After I drink several glasses of red wine, my right calf swells up, my leg aches, and I get an itchy rash behind my knee. What's going on?

Reaction to sulfites: Is possible. Sometimes, more expensive red wines can contain sulfites. I don't know why your left calf will be spared though. Stick with cheap white wine. ...Read more

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I'm getting rashes behind my knees, my arms near elbows, my stomach above belly button. What could this be?

I'm getting rashes behind my knees, my arms near elbows, my stomach above belly button. What could this be?

Eczema: But it could also be dry skin especially during the winter months. Need to lotion up with any moisturizing cream or lotion, you may also need prescription strength steroids depending on the severity. ...Read more

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Behind my knee I have seemed to have got a slight rash with black dots on. It doesn't itch but I don't know what to do to get rid of it.?

Behind my knee I have seemed to have got a slight rash with black dots on. It doesn't itch but I don't know what to do to get rid of it.?

Rash: Examining the rash is the only way to know for sure what it is. I only worry about rashes that are spreading, itch and show bruising. I would suggest watching the rash over a few days to see if it changes. If better don't worry if worse see you doctor. ...Read more

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Hi im simply askin for help for some problem ive been having behind my knee, it very itchy, red rash like bumps that hurt to and sting, pleasw help!

Hi im simply askin for help for some problem ive been having behind my knee, it very itchy, red rash like bumps that hurt to and sting, pleasw help!

Wrong forum: You have an acute medical problem that requires the help of your doctor. In person. Health tap is here for education. We clearly state that this is not health care. We do not offer treatment. Please go see your doctor. ...Read more

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Weeping rash that keeps running. Not from food or poison ivy. I used neosporin and clotrimazole antifungal cream but nothing works. Its behind my knee?

Weeping rash that keeps running. Not from food or poison ivy. I used neosporin and clotrimazole antifungal cream but nothing works. Its behind my knee?

Please see your derm: The most likely cause is eczema, which causes very itchy skin that can get infected. It may require a topical steroid to clear. If it is infected, it may need an antibiotic also. Please get checked by your dermatologist. ...Read more

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Why does my leg hurt behind my knee?

Tendon: It depends. There tendons and muscles that insert there, and you may have an injury. If it worsens or doesn't show improvement over the next several days, you can visit your doctor for a more thorough evaluation. ...Read more

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I have multiple painful lumps behind my knee.

I have multiple painful lumps behind my knee.

Lymph nodes?: Painful bumps behind the knee could be lymph nodes, which generally appear in response to local inflammation or infection, below that knee for example, like in the shin, calf or foot. If there's no infection or inflammation evident, or if they've been there for more than two weeks, you need to see a local doctor for an evaluation. ...Read more

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I fell walking and now pain behind my knee, what is it?

Se orthopedist: There could be many reasons for pain behind the knee. A pulse would imply a possible vascular source such as an aneurysm of an artery. A knee popliteal cyst or mass may also manifest itself in the back of the knee. Other common causes include tendinitis, early arthritis/wear/tear, ligament injury or meniscus tear. Low back pain may also radiate to the back of the knee. See an orthopedist. ...Read more

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Woke up with stiffness Behind my knee. No pain. Didn’t hurt myself.

Woke up with stiffness Behind my knee. No pain. Didn’t hurt myself.

Likely a mild: Knee sprain. If pain persists or you notice swelling, redness, a feeling of knee instability, see your doc. ...Read more

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Inner side, behind my knee hurts so much. Is there anything you recommend?

Inner side, behind my knee hurts so much. Is there anything you recommend?

Strengthen: Quadriceps muscles and tape your kneecap based on the direction it goes when your walk or run. This can be accomplished by seeing a sports training physical therapy program. If this isn't helping then consider evaluation by an orthopedic sports medicine specialist. ...Read more

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Heard a pop behind my knee. Sharp pain in the middle of the back of my knee.

Consult doctor: It could be ruptured muscle, or ruptured cyst which can be confirmed by scan, please discuss with your physician. ...Read more

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When I sit down "criss-cross-applesauce" I get a pain on the right side (behind my knee). It happens if I land wrong too. Can this be a problem?

Possible: Pain behind the knee can be from tendons, hamstrings especially, which insert onto the back of the knee or possibly a Bakers" Cyst which can "pop out" from the knee. It is the synovial lining of your knee. Less likely would be a blood clot, but this would not come and go and it would be associated with swelling. ...Read more

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I fell, since then my leg is painful behind my knee. It radiates up and down a bit. It is worst when fully extended and when changing positions.

I fell, since then my leg is painful behind my knee. It radiates up and down a bit. It is worst when fully extended and when changing positions.

Sprain: Sprain of muscle or ligament is likely. If there is swelling, discoloration or severe tenderness, have your physician examine you. Otherwise, try cold applications for 48 hours and then heat; NSAIDS like ibuprofen and wearing a ACE knee brace should help. ...Read more

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Bruise behind my knee, what is this?

Bruise behind my knee, what is this?

A bruise: If it causes pain and does not improve, then have a doctor take a look. ...Read more

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Pain behind my knee when I sit to long. Also hurts when I try to bend it?

Pain behind my knee when I sit to long. Also hurts when I try to bend it?

Baker's cyst: By far the most common cause for pain in this location is a benign baker's cyst. These sit between the hamstring muscle/ tendon group and the calf (gastrocsoleus) muscles. Most common cause iskneearthritis w/ a degenerative meniscus (cartilage) tear. The tear can cause a rent in the knee joint capsule and allow joint fluid to escape into the back of the knee and form the cyst. ...Read more

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Is a bulge behind my knee a symptom of knee injury in the front?

Is a bulge behind my knee a symptom of knee injury in the front?

Yes it could be: Many time people come because of the blug behind the knee or the side of the knee, we take MRI we find meniscus tear or arthitis. Thanks. ...Read more

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Had a pop behind my knee cap now hurts and can't put weight on it?

Had a pop behind my knee cap now hurts and can't put weight on it?

Orthopedic eval: You should see an orthopedist. A pop sound and impaired ability to bear weight are suspicious for a soft tissue injury to the ligaments or tendons in the knee. In the short term, you can ice it, elevate it, compress it with an ace wrap, and take some Motrin or advil (ibuprofen). ...Read more

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What to do if I have a hernia behind my knee, un-operable or operable?

What to do if I have a hernia behind my knee, un-operable or operable?

Baker's Cyst: A "hernia" of the knee is pushing of the cushioning sac between the thigh bone (femur) and lower leg bones (tibia and fibula); it is rarely called a "hernia". When upright and the knee is completely straight, a cystic swelling may appear as a bulging mass on the inside of the knee pit below the skin creases. Physical exam by an orthopedist will usually confirm the diagnosis. They can be removed. ...Read more

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I have a thumping like behind my knee and I can see it thumping and feel it is that normal? 14 femal

I have a thumping like behind my knee and I can see it thumping and feel it is that normal? 14 femal

Try: Try and see if the thumping is in time with your pulse, or if it appears to be from a muscle spasm. If you can see palpable pulse, that would be very concerning and you should be seen immediately. If you are having muscle spasms, you could try taking an anti-inflammatory and observe, but if it persists or you have pain or new symptoms then you should have a medical evaluation. ...Read more

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I am 33 and I have a pain behind my knee whenever I kneel down or bend by knee more than 90 degrees and push knee out.?

I am 33 and I have a pain behind my knee whenever I kneel down or bend by knee more than 90 degrees and push knee out.?

Baker cyst?: You may need MRI of this knee. Chances are you developed baker cyst. Tx for this condition is usually conservative unless it broke; it it broke than you may need surgery. Mri may also shed light on other conditions. Go and see your doctor to sort it out. ...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