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Doctor insights on: Why Do My Legs Itch When I Run Sometimes

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Why do my legs itch when I run sometimes?

Why do my legs itch when I run sometimes?

Increased blood flow: Running will increase blood flow and muscle activity and can be the cause of skin itching. ...Read more

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Dr. Jack Mutnick
1,079 doctors shared insights

Itch (Definition)

Itches are a clinical finding in which a person's skin has a sensation of non-painful irritation ...Read more


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I get extremely itchy skin usually on my legs and when I itch it I get raised bumps and Red pin point dots and it itches more. Should I be concerned?

I get extremely itchy skin usually on my legs and when I itch it I get raised bumps and Red pin point dots and it itches more. Should I be concerned?

Dry skin?: Try applying a moisturizer on your legs within 3 minutes after bathing (daily bathing is encouraged) to see if this helps (may take a couple of weeks). Avoid scented or anti-bacterial soap. If the problem fails to resolve, consult a dermatologist. ...Read more

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While at lake yestrdy & out of water saw sm pin mark w blood running down leg. Today site is red, slt swollen, warm and itches around site. Concerns?

While at lake yestrdy & out of water saw sm pin mark w blood running down leg. Today site is red, slt swollen, warm and itches around site. Concerns?

Yes: You were probably bitten by some organism while in the water. Might be serious or not depending on what bit you. Your best bet now is to see your family physician or a dermatologist ASAP ...Read more

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Rash on leg that itches but doesn't look like poison ivy it feels like there are little insects running around when it gets itchy?

Rash on leg that itches but doesn't look like poison ivy it feels like there are little insects running around when it gets itchy?

See a dermatologist: Unless you have traveled someplace tropical the chances this is an insect infestation are low. However, until you have been examined "bugs" cannot be ruled out. I do recommend you be seen by a dermatologist. ...Read more

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My two year old son has red bumps under his chin and his arm and leg and he itches. He is coughing ,running nose ,fever what could this be?

My two year old son has red bumps under his chin and his arm and leg and he  itches. He is coughing ,running nose ,fever what could this be?

Mild Virus: This pattern suggests a mild virus with an allergic component (itchy rash). Support the child with fluids, Tylenol (acetaminophen) for the fever, and Benadryl for the itching if it bothers the child enough. If the fever lasts more than 2 days take your son to his doctor to be checked. ...Read more

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My six year old son has a rash on his arms stomache and legs. It is red and itches the spots run together with very litt space in between what is it?

My six year old son has a rash on his arms stomache and legs. It is red and itches the spots run together with very litt space in between what is it?

Rash: From your descriptions it seems like either a contact or allergic dermatitis.But you can not diagnose rashes without looking at it.Since the rash is rather extensive you need to take him to his pediatrician or family doctor or dematologist. ...Read more

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Why do my legs itch while running or going in the ocean?

Why do my legs itch while running or going in the ocean?

Salt!!!: Salt can irritate sensitive skin particularly i you have eczema or a similar hypersensitivity. When you exercise your sweat pores open up and the smallest punt of salt can enter and irritate the skin. Ie. Like pouring salt in a wound. Furthermore. You get an eczema like reaction when you exercise just because of the increased blood flow to the leg and hence the itching. ...Read more

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Burning/itching sensation in legs while walking or running lately. No rash or irritation. What causes this and how can I relieve this discomfort?

Burning/itching sensation in legs while walking or running lately. No rash or irritation. What causes this and how can I relieve this discomfort?

Not enough info: One possibility could be intermittent claudication which is caused decreased blood flow to your extremities. This is something that would be require a visit to your primary care physician. ...Read more

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I have this extremely unbearable itching in my legs whenever walking or running making me scratch until red welts. Had it since I was a preteen.

I have this extremely unbearable itching in my legs whenever walking or running making me scratch until red welts. Had it since I was a preteen.

Get help: Hard to know what is going on from the description alone. Ask an Allergist or Dermatologist for a consultation as this may be chronic hives, and only partially controlled with your Zyrtec (cetirizine). It is time to find a better way to manage. Good luck! ...Read more

Itchy Skin (Definition)

Often pertains to skin that is dry and ...Read more