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Doctor insights on: How Long Do Mosquito Bites Itch For

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Dr. Tsu-Yi Chuang
Board Certified, Dermatology
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Dr. Vikram Patel
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Mosquito Bite (Definition)

Mosquito bites usually are not very visible on skin unless there is an allergic reaction or an infection following the bite. Allergic reaction will cause a redness white an infection may ...Read more


Dr. William Zachary
Board Certified, Wilderness Medicine
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How long do mosquito bites itch?

A few days usually: Occasionally, people will have a delayed-type hypersensitivity reaction to mosquito bites. I am one of those people. The initial redness (relatively mild) lasts a day or two, followed by persistent redness and itching that goes on for a week or more. Hydrocortisone cream is your friend under these circumstances. ...Read more

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Dr. Vikram Patel
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Dr. Ilya Averbuch
Board Certified, Pain Management
40 years in practice
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Got a rash that appeared two days ago, and its getting worse, itches all the time, looks like mosquito bite. What can this be?

Got a rash that appeared two days ago, and its getting worse, itches all the time, looks like mosquito bite. What can this be?

Is it a tick season?: Is it a tick season in canada yet? Some ticks may carry lyme disease. Be careful in the woods, and see your physician for the diagnosis of this rash. ...Read more

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Dr. Heidi Fowler
Board Certified, Psychiatry
19 years in practice
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I keep getting bit by something.I don't see nor feel it.The bite swells like mosquito bite, itches and has a small blister in the center. About 4 bite?

I keep getting bit by something.I don't see nor feel it.The bite swells like mosquito bite, itches and has a small blister in the center. About 4 bite?

Assuming it is a: different location each time. Consider applying calamine lotion or crushed ice or a cold pack. A 1 to 1 mix of water & baking soda is effective when applied to lesions. You can take oral medications like Benadryl or Chlorpheniramine for itching. Take care. ...Read more

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Dr. Vikram Patel
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Dr. John Chiu
Board Certified, Allergy and Immunology
51 years in practice
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Whenever my cat scratches me, it itches, turns red and swollen, and the skin becomes raised (similar to a mosquito bite). Why is this? Am I allergic?

Whenever my cat scratches me, it itches, turns red and swollen, and the skin becomes raised (similar to a mosquito bite). Why is this? Am I allergic?

Allergic to cat: If this happens only when you are scratched by the cat and nothing else, then it is likely an allergic reaction not unlike testing you with skin prick test. Do you have nasal and eye symptoms when you are in contact with a cat. By the way, cat scratch is not totally innocuous and may lead to a condition known as Cat Scratch Disease. ...Read more

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Dr. Stephen Scholand
Board Certified, Infectious Disease
17 years in practice
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Is there anything out there one can do for mosquito bite allergies? The area that is bit swells and itches horribly and sometimes is painful.

Is there anything out there one can do for mosquito bite allergies?  The area that is bit swells and itches horribly and sometimes is painful.

Mosquito bites: Mosquitos can be a real nuisance. The saliva from the insect bite can cause an itchy reaction that is a problem for some people. Try an ice pack to cool off the itching- 10 min on/10 min off. If need something more, Hydrocortisone 1% cream to area (but not the face!) 1 or 2x/day. An oral antihistamine like Benadryl or Claritin could also help. Avoidance is best- long pants, socks + bug repellant. ...Read more

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Dr. Philip Miller
Board Certified, Family Medicine
41 years in practice
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I keep getting bit by something. I don't see nor feel it. The bite swells like mosquito bite, itches and has a small blister in the center what is it?

I keep getting bit by something. I don't see nor feel it. The bite swells like mosquito bite, itches and has a small blister in the center what is it?

Must be seen and: evaluated. Cannot be diagnosed online. You can try using 1% hydrocortisone cream (OTC)-for itching and swelling ; however, definitive diagnosis requires direct examination ...Read more

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Dr. Doanh Nguyen
Board Certified, Allergy and Immunology
8 years in practice
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When i get a mosquito bite, it itches like crazy, and immediately turns into a large, red since i was small. Could this indicate an allergy, what to do?

When i get a mosquito bite, it itches like crazy, and immediately turns into a large, red since i was small. Could this indicate an allergy, what to do?

Mosquito bites: A large local reaction to insect bites including mosquito bite does not need allergy treatment. You could apply cold compress, topical otc hydrocortisone. If the swelling is large and painful, you might need to see a local physician to be evaluated. If you develop systemic symptoms like hives, belly pain, difficulty breathing with mosquito bites, it is dangerous and you should see an allergist. ...Read more

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Dr. John Munshower
Board Certified, Family Medicine
24 years in practice
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My labia has bumps (like mosquito bite bumps) and it itches so much. it's all thick and dark coloured. not painful at all. do not shave there regular?

My labia has bumps (like mosquito bite bumps) and it itches so much. it's all thick and dark coloured.  not painful at all. do not shave there regular?

Bumps: Best to get bumps seen and examined so the proper diagnosis can be made, and the best treatment will follow. Really hard to guess what the bumps are over the computer. Best wishes to you. ...Read more

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Dr. William Harris
Board Certified, Family Medicine
27 years in practice
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I have this flare up on my skin affecting the right side of right buttock it is like little raised bumps that look like mosquito bites it itches bad I have tried anti iitch creams nothing is working?

I have this flare up on my skin affecting the right side of right buttock it is like little raised bumps that look like mosquito bites it itches bad I have tried anti iitch creams nothing is working?

A few possibilities: If you have been exposed to new substances, this could be plain old contact dermatitis; try to find what might be irritating your skin. Shingles would be a bad case scenario to maybe get checked out. The worst case scenario would be a recurrent rash like that which could represent herpes on your rear end that keep coming on over and over: valtrex would be the treatment for that or the shingles. ...Read more

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Dr. Jack Mutnick
1,080 doctors shared insights

Itch (Definition)

Itch is also known as Itching. Itches are a clinical finding in which a person's skin has a sensation of non-painful irritation ...Read more


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Dr. Vikram Patel
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