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mosquito bite looks like a bruise

A member asked:
Dr. Martin Raff
56 years experience Infectious Disease
Bite site: Probably no worry. Scratching may have ruptured tiny blood vessels and the "bruise" is blood extravasated into the surrounding tissue. As long as it d ... Read More
Dr. Kathryn Ko
34 years experience Neurosurgery
No: if U are sure it's a mosquito. If it's another insect like a tic you may want to have this checked. Next time try not to scratch, I know it's very t ... Read More
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2 thanks
Dr. Gregory Gilbert
23 years experience Emergency Medicine
Nope: Sounds like you broke the blood vessels underneath with all your scratching. That being said, do you bruise easily? If you do and this is not an iso ... Read More
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4 thanks

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A 26-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
57 years experience Allergy and Immunology
See doctor: If you live in an area known to have Lyme disease problem, best to consult your doctor to get treated for it just in case.
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1 thank
Dr. Julan Crane
25 years experience Pediatrics
Insect bites : Since it's getting worse you should get it examined
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A 3-year-old female asked:
Dr. Anita Sinha
17 years experience Pediatrics
It may be: A small staph infection rather than a bite. You could try applying warm compress to the area and then have her seen if there's no improvement.
A 18-year-old female asked:
Dr. John Ebner
18 years experience Dermatology
Mosquitoes for sure?: People can have different reactions to bug bites, mosquito bites, bed bug bites. Sometime, they do cause a bruise and this is harmless. If the bruis ... Read More
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1 thank
A 33-year-old female asked:
Dr. Lisa Roazen
18 years experience Emergency Medicine
Tick borne illnesses: include many things besides just Lyme. However, most often, a local reaction to a tick bite is simply inflammation; an expanding, red area of tender ... Read More
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1 thank
A 40-year-old member asked:
Dr. Heidi Fowler
25 years experience Psychiatry
That can occur.: I believe one reason that mosquito bites turn purple may be that the female mosquito deposits saliva that contains anticoagulants in the skin.
A female asked:
Dr. Heidi Fowler
25 years experience Psychiatry
Not uncommon: http://www.rosslab.neurobio.pitt.edu/mbi/ I believe one reason that mosquito bites turn purple may be that the female mosquito deposits saliva that co ... Read More
A 34-year-old female asked:
Dr. Sarah Kohl
35 years experience Travel Medicine
Bed bugs? mosquito?: Ticks, mosquitoes, bed bugs, spiders, and wasps can leave bruises at the site of the bite. Bites which occur while you sleep and are itchy are likel ... Read More
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4 thanks
A 40-year-old member asked:
Dr. Heidi Fowler
25 years experience Psychiatry
Anticoagulant: I believe one reason that mosquito bites turn purple / bruise may be that the female mosquito deposits saliva that contains anticoagulants in the skin ... Read More
1
1 thank

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