Doctor insights on:
What Is Good For Insect Bites
Insect bites are from mosquitos, spiders, flies, ticks, and other species that use their mandibles (jaws) to attach to a person or other animal. They can then suck blood out of their "prey" and leave saliva proteins that cause itching and swelling. Other insect species, like bees, yellow jackets, wasps, hornets and fire ants actually inject venom into their prey and can not only cause localized pain and swelling, but severe, acute allergic reactions in ...Read more
It is active: Against much staphylococci.Get a more detailed answer ›
No.: Cephalexin (and all other antibiotics) are prescribed for bacterial infections. Bug bites do not respond to antibiotics unless there is also an infection present, which does sometimes happen if bacteria gets into the bite. Most bites do well with a mild cortisone cream and antihistamines for the itching, but if pain or significant tenderness develops, see your doctor. ...Read more
Yes and no: A poisonous insect bite that is not superinfected with bacterial infection will not be helped by antibiotic treatment. If there is bacterial superinfection with streptococcus sp. Or methicillin sensitive staph. Aureus it will improve with cephalexin(keflex) treatment. This antibiotic is not active against mrsa. ...Read more
Is it true that petroleum jelly is good to minimize scars from insect bites, rash and open wounds?
It's OK: Wounds heal best when kept moist and vaseline is a good moisturizer. However, there may be products more appropriate for specific wounds. For example, wounds with a heavy bacterial load may do better with an antibiotic cream such as silvadene (silver sulfadiazine) while insect bites might need an antipuritic/antiinflammatant agent. Your doctor should be able to help you make individualized choices. ...Read moreSee 1 more doctor answer
Is it infected?: Without physically examining your insect bite, there is only a medical guess as to what is triggering the weeping. Is it infected? This would be the 1st concern--addressing the infection is the only solution here. If the weeping is watery clear, then perhaps this is more of an allergic-type reaction that might respond to oral antihistamines such as allegra (fexofenadine). Call md if infected or not better soon. ...Read more
Many ways: If you do nothing, they go away, but itch in the meantime. To control the itch, there are many over the counter itch creams are available including Hydrocortisone (which i don't think works very well) and non-steroid containing medicated creams like gold bond lotion (which i personally like much better). There is also benadryl, (diphenhydramine) which works nicely taken orally, but may cause sedation. ...Read more
Bites: Depends on the bug. Scabies are going to spread on the body, are very itchy, but usually found near fingers, belt and bra lines. Bed bugs are usually not spreading but as the person continues to get bit each night, the bites accumulate in number and seem to spread. Mosquitoes love exposed surfaces and thrive near water, tics usually bite once and then a rash spreads, fleas bite the lower legs. ...Read moreSee 1 more doctor answer
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