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Doctor insights on: Itchy Dry Red Spot Behind Knee

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Itchy red spot on back of knee. Bite or blood clot?

Itchy red spot on back of knee. Bite or blood clot?

Depends: It is unlikely a blood clot but it may be a skin rash or a bite. If it does not resolve see your doctor for the correct diagnosis and treatment. ...Read more

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I have dry, itchy red spots on my skin that turn white. They're really bad on the back of my knees. What is this?

I have dry, itchy red spots on my skin that turn white. They're really bad on the back of my knees. What is this?

Eczema?: By location and symptoms, it sounds like eczema. When it goes away, it sometimes leaves lighter patches. Treated by cortisone creams and prevented by moisturizing the skin better, eczema is very common. Dry climate (winter) can worsen. Moisturize well--creams, not lotions. The color will return if it is eczema. ...Read more

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Red itchy spots on shins, elbows, behind knees & neck. No one else in home is afflicted. What is it and how do I get rid of it?

Red itchy spots on shins, elbows, behind knees & neck. No one else in home is afflicted. What is it and how do I get rid of it?

Jock itch: See your physician to get checked for accurate diagnosis. My guess is tinea corporis which is a fungal infection of the skin. It causes an itchy, red, often ring-shaped rash in these warm, moist areas of your body.
It is common in people who sweat a lot, as do athletes. It usually respond to topical anti fungals creams. ...Read more

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For a few weeks now, I've had itchy areas on my arms and legs. They start out as tiny little spots. Then I started scratching and they become red, itchy rashes. I have 2 places on my left arm, 1 on my right and behind both of my legs (knee area). What

For a few weeks now, I've had itchy areas on my arms and legs. They start out as tiny little spots. Then I started scratching and they become red, itchy rashes. I have 2 places on my left arm, 1 on my right and behind both of my legs (knee area). What

Dry skin?: First try applying a moisturizer all over your body within 3 minutes after bathing and see if this helps. For the rash, topical hydrocortisone for a few days may be helpful. However if this is a persistent or worsening problem, I would recommend a dermatology consult. ...Read more

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Me and my partner have both got really red itchy spots appeared mine are around my knee and on right arm and partners am over his shoulder and arms?

Me and my partner have both got really red itchy spots appeared mine are around my knee and on right arm and partners am over his shoulder and arms?

See below: These symptoms can only be adequately diagnosed only after a thorough evaluation by your doctor. This may include labs and other satudies. Once all of the information is in, your doctor can let you know what's going on, and what to do to help you. ...Read more

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My 7 year old son has a cluster of red itchy spots around his right knee which is starting to spread to his thighs, shins and feet. What could it be?

My 7 year old son has a cluster of red itchy spots around his right knee which is starting to spread to his thighs, shins and feet. What could it be?

Molluscum?: In this age group i'd suspect molluscum contagiosum. Pictured here. Easily treated in most cases, in fact they sometimes resolve on their own. You need to control the itch, that spreads this viral infection. ...Read more

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Red spots with a white centre on my hands, elbows, feet and knees, they are very itchy, what could this be?

Red spots with a white centre on my hands, elbows, feet and knees, they are very itchy, what could this be?

Dermatitis: Dermatitis, or inflammation in the skin can cause this pattern. Eczema (atopic dermatitis) can do this, and the rash associated with gluten allergy (celiac sprue) called dermatitis herpetiformis can also do this. Hives can present similarly as well. Erythema multiforme is rare, but can appear this way and eventually makes little "target" lesions. A dermatologist should be able to diagnose you. ...Read more

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My 7 year old son has red itchy spots on his knees thighs and top of feet and it seems to be spreading to his stomach and bottom what is it?

My 7 year old son has red itchy spots on his knees thighs and top of feet and it seems to be spreading to his stomach and bottom what is it?

Allergy/Insect: From your description appears like allergic spots. But check to make sure he does not have any insect bite marks.
Try topical Benadryl (diphenhydramine) cream or Benadryl (diphenhydramine) by mouth. If not subsiding try steroid cream 1% or 0.5% (tiny amount). If both not helping consult physician. ...Read more

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Dry red spot appeared on skin by hip, rash covering my body followed. Red, circular, itchy, spots from neck to groin, front and back. Help!

Rash: Sounds like it could be pityriasis rosea a non dangerous self limiting rash in younger people. Google it and see if it matches. However, you should see a dermatologist to confirm this and to make sure you are not dealing with anything else. Hope this helps. ...Read more

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I woke up with a red spot on my eye and it has only grown larger it feels dry irritated and itchy but don't look like pink eye much darker what should?

I woke up with a red spot on my eye and it has only grown larger it feels dry irritated and itchy but don't look like pink eye much darker what should?

Please see an eye: Doctor or go to the emergency room to have this looked at. This may still be pink eye (bacterial conjunctivitis), but it also could be a scratch on the eye or a broken blood vessel (could happen from vomiting or trauma) or the start of a viral or allergic conjunctivitis. The only way to tell is to be examined. ...Read more

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I got dry and itchy skin during winter. Now, I get red itchy spot on my skin, but only a few on arm, leg and my body. What is the diagnosis?

I got dry and itchy skin during winter. Now, I get red itchy spot on my skin, but only a few on arm, leg and my body. What is the diagnosis?

Lubricate: High doses of marine fish oil and/or coconut oil can help lubricate from the inside, not just outside. Please avoid lotions w/alcohol in them because they are drying. Winter is high season for dry skin. Check with a dermatologist for a diagnosis. Peace and good health. ...Read more

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I have a scar on my knee from 18yrs ago. Yesterday I noticed a red spot on it and the area that is pink. Doesn't hurt or itch. What could it be?

I have a scar on my knee from 18yrs ago. Yesterday I noticed a red spot on it and the area that is pink. Doesn't hurt or itch. What could it be?

Need more info: Knees are subject to trauma. Even a mild contusion or just bending down on your knee can cause redness. Also consider an insect bite. If the discoloration continues for over a week with or without changes I would suggest that you have your family physician take a look at it. ...Read more

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I have a red spot on the inside of my left calf (large) it is warm to the touch and pretty painful. Hurts most when I walk on it, or bend at the knee.?

I have a red spot on the inside of my left calf (large) it is warm to the touch and pretty painful. Hurts most when I walk on it, or bend at the knee.?

An infected cyst: It sounds like you have an infected cyst. You should see your doctor for evaluation. Besides antibiotics, it may need to be opened and drained. ...Read more

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I have a bright red spot on my lower leg I noticed two days ago and I'm getting a numb feeling in the back of my knee?

I have a bright red spot on my lower leg I noticed two days ago and I'm getting a numb feeling in the back of my knee?

I'm not sure we can: Put these two things together. The red spot is MOST likely a skin condition: eczema, psoriasis, etc. But another cause is allergies, perhaps to a bug bite. Have you been in a tick area? I suppose you must consider Lyme Disease, though this is much less common than many people think. I think the spot and numbness can both be watched; if the spots enlarge/spread or numbness persists, see your Doctor ...Read more

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Red spot on inner knee healed to a pink red scar has taken 3 months to heal but kept scratching it. Is this normal healing time? Melanoma?

Red spot on inner knee healed to a pink red scar has taken 3 months to heal but kept scratching it. Is this normal healing time? Melanoma?

Red spot on knee: Healing and scar disappearance does take a long time, months, sometimes up to a year or more or a light residual may remain. Constant scratching is irritating and prevents proper healing. You could try over the counter silicone cream of strips and see if it helps f/u/ w/ dermatologist ...Read more

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My 5yo got several bug bites while on vacation in VA. One on her knee got very swollen and remained a big red spot for 1.5 weeks. Now (over 2 weeks later), it looks like a gray bruise. Still about two inches in diameter. What is it?

My 5yo got several bug bites while on vacation in VA. One on her knee got very swollen and remained a big red spot for 1.5 weeks. Now (over 2 weeks later), it looks like a gray bruise. Still about two inches in diameter. What is it?

Mgt: A virtual consultation may be helpful to you and your pediatrician. A photo may be uploaded at that time.
From your description, the insect bites may have caused an allergic reaction. Other possibilities include Lyme disease, is there central clearing of the reddened area? I would advise seeing your PCP, but a topic 1% Hydrocortisone cream may help to decrease inflammation. ...Read more

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A 1x4 inch red spot appeared on my knee overnight; the next day same color appeared on 2/3 of the back of my right hand. They quickly turned dark brown and have stayed that way for a week. I have appt with derm in 2 wks. No other symptoms. Any ideas?

A 1x4 inch red spot appeared on my knee overnight; the next day same color appeared on 2/3 of the back of my right hand. They quickly turned dark brown and have stayed that way for a week. I have appt with derm in 2 wks. No other symptoms. Any ideas?

Dermatologist: It's a good idea to consult a dermatologist in case more lesions appear in the future, but I wonder if these spots could have been caused by a bite from some sort of insect even though there was no itching. If no other skin spots appear a systemic cause is unlikely. ...Read more

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I have red spot non itchy all over my body what is it?

I have red spot non itchy all over my body what is it?

Depends: It will help to see it. For how long you have it, is it changing in size, shape or color? Many possibilities. See a dermatologist. ...Read more

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Small red spot on arieola. Not itchy or sore. What could it be?

Small red spot on arieola. Not itchy or sore. What could it be?

Not enough info: It's hard to diagnose skin problems without actually seeing the problem and not knowing any history. Please consult with your family physician. ...Read more

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I have red spot in my neck its itchy and spreading. I already tried using triamcinolone?

I have red spot in my neck its itchy and spreading. I already tried using triamcinolone?

Have it evaluated.: There are many types and causes of skin rashes. 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

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I had asked a question earlier this week about itchy red spot. Now I think was a brown recluse spider bite?

I had asked a question earlier this week about itchy red spot. Now I think was a brown recluse spider bite?

Brown reculse: Brown recluse spider bites often go unnoticed initially because they are usually painless bites. Occasionally, some minor burning that feels like a bee sting is noticed at the time of the bite. Symptoms usually develop two to eight hours after a bite. Symptoms can include: severe pain at bite site after about 4 hours, severe itching, nausea, vomiting, fever, blistering, necrosis (tissue death). ...Read more