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Doctor insights on: Spider Bite Infection

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How can you tell the difference between a mosquito or spider bite infection vs a tick bite infection?

How can you tell the difference between a mosquito or spider bite infection vs a tick bite infection?

Limited space: Though spider, tick or mosquito bites can sometimes cause infection, the vast majority of them will not. A limited local inflammatory response can be expected from any of these. Symptoms exceeding this should be examined by a physician. 'spider bites' have become a common er complaint over the last several years, when in fact most of these are skin abscesses. ...Read more

Dr. Austina Cho
9 Doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


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Best antibiotic for a spider bite infection that was not treated with dicloxicillin?

Best antibiotic for a spider bite infection that was not treated with dicloxicillin?

Unlikely: To have been a spider bite. Most of these (unless you have actually seen and identified the spider as a black widow or brown recluse), are community acquired infection with methicillin-resistant staph aureus (mrsa). Many of these are sensitive to Bactrim (sulfamethoxazole and trimethoprim) or Doxycycline or sometimes clindamycin. Dicloxacillin is unlikely to be effective. ...Read more

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Spider bites that cause a infection?

Yes they can: Any bite to the skin can get secondarily infected. Best not to scratch the bite and use a topical antibiotic for a few days. See your doctor if the bite is getting more red, swollen, and painful. ...Read more

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How do I tell if it's a spider bite or some kind of infection?

Sometimes difficult: These are sometimes difficult to tell apart and sometimes bites can become infected. Bites may have a central puncture wound although with all the redness and inflammation it can be hard to see. It may be felt rather than seen. ...Read more

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My wolf spider bite has puss coming out, is there another way to get the infection stuff out besides going to the doctor?

See Dr.: I agree with dr. Fowler, you have all the constitutional symptoms of an infection, that needs probable i&d, with antibiotics and a dtap to be updated if need be. ...Read more

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Spider bite on inside rt ankle bone swelled from heel to Achilles now is slight bruising next to bite no sign of infect maybe bruised bc of work boot?

Spider bite on inside rt ankle bone swelled from heel to Achilles now is slight bruising next to bite no sign of infect maybe bruised bc of work boot?

Maybe, but...: Go see your physician. Brown recluse spider bites, for example, can progress greatly, It's even more important if you're diabetic or have some additional medical issues. So, be safe: get examined if you have a spider bite. There are times when you need to have the area removed, drained, or treated with antibiotics. ...Read more

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Does spider bites spread?

Not usually: If you are bitten by brown recluse spider bite then the black area can spread. A severe reaction to any arthropod bite can spread. ...Read more

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What to do for spider bites that hurt?

What to do for spider bites that hurt?

Medical attention: If the spider bite is from a brown recluse it could evolve into a nasty skin reaction with necrosis and pain --- may need antibiotics and/or steroids. ...Read more

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Can you tell me the effects of spider bites?

Variable: Spider bites can have variable appearances. It might cause a pink or red bump with no symptoms. Or it could itch or be painful. Venomous spiders may cause significant pain radiating far from the site, cramping, sweating, chills hives, weakness, necrosis of tissue or worse if there is an allergic reaction. ...Read more

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Does all spider bites have a halo around it?

Halo Insect Bites: Insect bites may be grouped, raised (papular), hive-like (urticarial) and have a surrounding halo. Occasionally a central depression, or punctum, can be seen. Almost any insect can cause a halo insect bite depending on the person. ...Read more

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Should I pop my spider bites or leave them to heal on their own?

Should I pop my spider bites or leave them to heal on their own?

No: Spider bites for the majority of the time will heal on their own. If you open the wound, you can introduce infection. ...Read more

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