Patient discussion about insect

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Q. an insect bite seems infected and is bleeding...

the area under the skin is hard and sore... when pressed it bleeds quite a bit
AIt sounds like you have cellulitis around the area of the bite, and you should see a doctor to decide whether or not this requires antibiotics.

Q. My friend told me that people who allergic to dust are actually allergic to small insect.

Is he fooling with me?
A1thanks :)
A2nope...he means dust mites-
http://en.wikipedia.org/wiki/House_dust_mite

those little buggers are eating organic detritus such as flakes of shed human skin and produce strong allergens.

Q. does mosquito bites considered as an edema

a bet with a friend- please help solve an issue an help me win a new I pod :)
A1(don't take the mini i-pod, it sucks). it's true-the mosquito has a number of proteins and materials in his saliva that works as anticoagulants and vasodilators (blood vessel broadening). these causes the bite area to start an immune reaction and one of the consequences is an edema-"an increase of interstitial fluid in any organ", that means fluids are exiting blood system. in this case- not too much...
A2i hope you said it is :). edema is a normal reaction to an inflammation, which is-your body reaction to any thing unfamiliar to it. the mosquito injects a substance that makes our body react and recruit the immune system to the area. that means swelling up and get a red/pink color because of blood vessels broadening and blood cells coming out.
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