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Doctor insights on: Swelling Behind Both Knees

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Swelling behind both knees and gets stiff if standfing to long. I am a hairdresser and work out 4 times a week doing kick boxing and zumba.

Swelling behind both knees and gets stiff if standfing to long. I am a hairdresser and work out 4 times a week doing kick boxing and zumba.

Need a diagnosis: Treatment is diagnosis and not symptom driven. You need to see a physician and if appropriate get x rays to see if you have arthritis in the knees. If you do, conservative treatment which may include avoiding impact sports until your symptoms abate. ...Read more

Dr. David Schleimer
1,498 Doctors shared insights

Swelling (Definition)

Swelling is the enlargement of organs, skin, or other body parts. It is caused by a buildup of fluid in the tissues. The extra fluid can lead to a rapid increase in weight over a short period of time (days to weeks). Swelling can occur all over the body (generalized) or only in one part ...Read more


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1 large blackish bruise in same spot behind both knees. Some pain in left leg. No swelling. Could it be a blood clot?

1 large blackish bruise in same spot behind both knees. Some pain in left leg. No swelling. Could it be a blood clot?

Unlikely: Risk factors that increase the chance of blood clot include sitting for long periods of time (low blood flow), smoking, having personal or family history of clots, birth control or pregnancy, inflammatory diseases (eg Crohns or rheumatoid arthritis). The only way to know for sure is by ultrasound. If the pain on the left worsens or swelling begins to occur, then reasonable to see a physician. ...Read more

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Why would I have swelling in both knees and elbow?

Why would I have swelling in both knees and elbow?

See a rheumatologist: There are numerous causes for an inflammatory arthritis. See a rheumatologist to determine the cause and to start appropriate treatment. ...Read more

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What does it mean when both knees are swelling and it hurts crouch down and get back up plus walk upstair?

What does it mean when both knees are swelling and it hurts crouch down and get back up plus walk upstair?

Internal knee issues: Knee swelling and pain with squatting are common findings with meniscal tears. Knee pain with stairs is usually related to degenerative cartilage behind the knee cap. An orthopedic surgeon can evaluate your knees and help determine what is causing your pain. ...Read more

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Knee pain, both knees and legs swelling?

Knee pain, both knees and legs swelling?

See doctor: There are many possible reasons for knee pain and swelling. They include things like trauma, infection, overuse, and many more. A doctor can provide an evaluation and diagnosis which will guide the treatment plan. Best wishes. ...Read more

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I am 30yrs old female, wt 84, ht 5.7, I have swelling & some degenerative changes on both knees, can I use treadmill for walking to wt reduction?

I am 30yrs old female, wt 84, ht 5.7, I have swelling & some degenerative changes on both knees, can I use treadmill for walking to wt reduction?

Yes, but: While walking is a great exercise, if the degenerative changes in the lower extremities are severe, a less impactful activity might be less painful. Swimming or cycling might be less stressful to the knees. ...Read more

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Backside of my knee is swelling (both knees). Could it be due to allergies?

Backside of my knee is swelling (both knees). Could it be due to allergies?

Unlikely: It is veru unlikely to be due to allergy in both legs. Have it checked. ...Read more

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Pain/swelling right knee now in both knees, pain up through thighs, now cracking fell on knee 2 yrs ago, what could this be?

Pain/swelling right knee now in both knees, pain up through thighs, now cracking fell on knee 2 yrs ago, what could this be?

Time for Orthopedist: Could be degenerative changes catching up w/you; overuse; new injury...Needs examination and possibly imaging study to see what is going on. See an orthopedist. ...Read more

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I have pain in both knees, . No swelling, no redness, have suffered no injuries. Painful to stand from seated position. Squatting is impossible.

I have pain in both knees, . No swelling, no redness, have suffered no injuries. Painful to stand from seated position. Squatting is impossible.

Painful knees: You will need to see a physician and possibly have x-rays done of your knees or other investigations to reach a diagnosis, but it sounds as though you could be developing some arthritis. Are you overweight and/or did you play football, especially at an offensive or defensive line position? Either of these could cause significant stress on your knee joints. ...Read more

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Two weeks ago I fell on sidewalk hard, scraping up both knees. Yesterday, I kneeled down on left knee, creating large top bump & swelling by nite?

Contusion: Did the scraps heal. The swelling in you knee may be a contusion. You can apply ice for the first 24 hours. If infection or fracture is a concern see a doctor. ...Read more

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Severe pain in both knees, ankles some knuckles often have bad headaches, light sensitive, swelling in knees for over 3 years. Nothing helps. Diagnose?

Severe pain in both knees, ankles some knuckles often have bad headaches, light sensitive, swelling in knees for over 3 years. Nothing helps. Diagnose?

See a rheumatologist: Have you been evaluated by a rheumatologist? If not, do so. This issues sound as if you have an inflammatory arthritis. ...Read more

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I use ibuprofen at night, for severe osteoarthritis in both knees. The swelling and pain are limiting my daily activities. What else can I do?

I use ibuprofen at night, for severe osteoarthritis in both knees. The swelling and pain are limiting my daily activities. What else can I do?

Weight loss: If you are at all overweight, weight loss can significantly reduce your pain. When we walk, use the stairs or get out of a car our knees see from 3 to 5 times our body weight. Loosing 10 pounds translates to 30-50 pounds less weight for our knees to carry when ambulatory. Weight loss will also slow the progression of osteoarthritis....Best wishes f ...Read more

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I have bilateral knee pain with edema. There is definitely some kind of fluid buildup on both knees. The swelling decreases with ice application. Asa?

I have bilateral knee pain with edema. There is definitely some kind of fluid buildup on both knees. The swelling decreases with ice application. Asa?

Not ASA: An anti-inflammatory would be ideal. Check with your doctor if your kidney function is good and can take them and at what dose. ...Read more

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Have itching pain both knees. Difficult to sit/ stand up with the pain. When walking a jerking sound occured at knees. Swelling /bulging also in knee?

Have itching pain both knees. Difficult to sit/ stand up with the pain. When walking a jerking sound occured at knees. Swelling /bulging also in knee?

Knee pain: The combination of pain, clicking, swelling, and impaired mobility of the knees may be caused by arthritis. Soft tissue problems like meniscus (cartilage) deterioration is also possible. See your physician for an exam and appropriate treatment with medication or perhaps injections. ...Read more

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I recently came off Lexapro (escitalopram) (slowly). 3 weeks later I have joint stiffness, swelling and pain in both knees. Could Lexapro (escitalopram) cause this?

I recently came off Lexapro (escitalopram) (slowly). 3 weeks later I have joint stiffness, swelling and pain in both knees. Could Lexapro (escitalopram) cause this?

Probably not: But pretty much any side effect is possible w/ any drug. However, having it happen 3 wks after stopping doesn't raise a lot of suspicion. ...Read more

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Bad osteo in both knees now hv a lg lump n swelling (where the little bone is on outside below knee cap) bone three times sz it should be bad pain?

Bad osteo in both knees now hv a lg lump n swelling (where the little bone is on outside below knee cap) bone three times sz it should be bad pain?

Knee Effusion: Sounds like a knee effusion which is fluid collection increase in the knee. If its really bad, you may need to have your knee drained. Occasionally a steroid injection may help decrease the pain and fluid collection. I would have you checked out by a sports medicine physician or orthopedic physician to make a true evaluation. ...Read more

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Im32 yo n having pain in both knees have hypothyroidism what could be the reason of this knee pain/joints pain no swelling just feel loose n painful?

Im32 yo n having pain in both knees have hypothyroidism what could be the reason of this knee pain/joints pain no swelling just feel loose n painful?

Something systemic?: Bilateral knee pain and thyroid problems doesn't ring any bells but at your age it does suggest you be worked up for something systemic going on. I would look for markers of general inflammation in your blood and might even consider looking for an auto-immune etiology if nothing apparent on physical exam. There are even some viruses that can cause transient arthralgias. ...Read more

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I have arthritis in both knees due to physical activity when I was younger. This has led to my knees swelling with fluid it also has caused adema in my lower leg and feet. Over the last few years it has turned into dark purple blotches on my calf's and fe

I have arthritis in both knees due to physical activity when I was younger. This has led to my knees swelling with fluid it also has caused adema in my lower leg and feet. Over the last few years it has turned into dark purple blotches on my calf's and fe

While: While arthritis in your knees may cause pain and swelling, rough dark purple blotches on your calves and feet are not typical. You may want to start with a dermatologist if your concern is the skin irregularities. If you are seeking treatment recommendations for the pain and swelling in your knees, then see an orthopedic surgeon. ...Read more

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Pain behind both knees when laying down, worse on the right side.....goes away when I get up and walk?

Posterior knee pain: I believe you might have Arthritis as the pain in Arthritis gets worse after long period of inactivity with cold and also activity, the other reasons for the pain in back of the knee are: Baker cyst: inflammation of Popliteal Bursa,
injury to the knee cartilage, injury to the muscle of the back of thigh (hamstring muscles). Please see your provider for a good knee exam or possible Xray. ...Read more

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I have soreness and inflamation behind both knees. What could cause this?

I have soreness and inflamation behind both knees. What could cause this?

Sore knee: It could muscle sprain, inflamed tendon or baker's cyst. Examination would confirm the diagnosis. ...Read more

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My 3 year old son has a rash in both armpits and behind both knees. They itch. His armpit ones are spreading. What could this be?

My 3 year old son has a rash in both armpits and behind both knees. They itch. His armpit ones are spreading. What could this be?

Sounds like it: Could be eczema, a contact rash or a fungal infection. For the first 2, the treatment would be a cortisone cream and for the third an anti-fungal cream. If he is otherwise well, you could try these over-the-counter and if not better, or worsening or appears ill in any way, I would recommend seeing his pediatrician. ...Read more

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I have been at the beach for 4 days. Been doing a lot of walking. Noticed slight bruising behind both knees. Should I be concerned. No pain?

I have been at the beach for 4 days. Been doing a lot of walking. Noticed slight bruising behind both knees. Should I be concerned. No pain?

Bruising.: Your question is greatly appreciated. It is often difficult to provide a comprehensive answer without more details. Some of the more worrisome symptoms would include easy bruising, easy bleeding, skin rash, fever, fatigue, weakness or numbness in the extremities among others. If the condition persists or causes you concern it is best to be evaluated by a doctor. ...Read more

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29, have varicose&reticular veins behind both knees. Getting removal in Jan, but seem to be getting bigger and multiplying. What could be causing this?

29, have varicose&reticular veins behind both knees. Getting removal in Jan, but seem to be getting bigger and multiplying. What could be causing this?

Varicose veins: Varicose veins are usually genetic and I'm sure that others in your family have had them. Your vascular SURGEON has probably ordered leg ultrasounds to look for insufficiency of the valves in the deep veins of your legs and he/she can answer your question better. ...Read more

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29, have varicose&reticular veins behind both knees. Laser removal in Jan, but seem to be getting bigger and multiplying. What could be causing this?

29, have varicose&reticular veins behind both knees. Laser removal in Jan, but seem to be getting bigger and multiplying. What could be causing this?

Varicose veins: It could be that you developed a collateral circulation after the laser treatment of previous varicose veins, and now those veins are becoming varicosed. Follow up with your physician promptly. ...Read more

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Had Sclerotherapy on Tues- behind both knees. Rt. leg is very bruised and I feel pain/pinch a few inches under 1 bruise on inside calf. Ok or concern?

Post treatment: It is normal to have some pain/swelling/bruising after sclerotherapy, but you should speak with the doctor who gave you the treatment to evaluate how much pain/bruising you have. ...Read more