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Doctor insights on: Allergic Reaction To Gnat Bites

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Insect Bites (Definition)

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


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I need a straight answer. What is allergic reaction to insect bites?

I need a straight answer. What is allergic reaction to insect bites?

What it says.: If you get stung or bitten by an insect, and you are allergic to the insect's venom or saliva, you develop an allergic reaction to the sting or bite. Usually it's just itching, redness, and swelling around the bite, but in rare cases it can evolve into anaphylactic shock which is life-threatening. Antihistamines may help mild cases, but if you have trouble breathing or other symptoms see a doctor. ...Read more

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What are the tests for allergic reaction to insect bites?

What are the tests for allergic reaction to insect bites?

Skin test or blood: When you see an allergist, they will first take a detailed history of your symptoms from the bite..And the type of insect involved, if known...Depending on the insect, a series of simple scratch tests can be done, or sometimes a blood testis done first. It depends on your reaction history. ...Read more

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If I develop allergic reaction to insect bites, how will it be treated?

If I develop allergic reaction to insect bites, how will it be treated?

Allergy: Lots of different meds can be used. Antihistamines are very common but stopping the medicine (or other thing) that causes the reaction is the first thing to do, if known. Topical and systemic steroids are also commonly used (orally or injected). ...Read more

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Are there treatment guidelines for allergic reaction to insect bites?

Are there treatment guidelines for allergic reaction to insect bites?

Insect bites: Treatment will depend on the severity of your condition. It is important to note that no specific antivenom is available to counteract the poison injected by the insect. The majority of problems requiring medical treatment result from the allergic reaction to the sting. Many of the complications from an allergic reaction respond well to various medications-when given in time. ...Read more

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Bug / insect bites with allergic reaction. Can i take hydrocortisone and Benadryl (diphenhydramine) to cure?

Bug / insect bites with allergic reaction. Can i take hydrocortisone and Benadryl (diphenhydramine) to cure?

INSECT BITE ALLERGY: It depends on the allergic reaction. If it is only itchy bumps, hc cream or other steroids plus Benadryl (diphenhydramine) intake will suffice. If the reaction is severe like anaphylactic shock or angioedema, you need Epipen shots or call 911. ...Read more

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How do I stop getting gnat bites?

How do I stop getting gnat bites?

Avoid fragrances: Gnats might be attracted to traces of fragrances on your body from personal care products such as soap, shampoo, conditioner, and antiperspirant. Even laundry products could leave fragrance on your clothes. Use fragrance-free laundry and personal care products, and use bug repellant when you know you'll be outside. ...Read more

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Does crossing gnat bites stop them itching?

Does crossing gnat bites stop them itching?

That's what I do :): Your question made me smile. I do the same thing with insect bites that are very itchy. I think it helps because what you are doing by using your fingernail to make a cross on the skin where it itches loads the nerve with a pain sensation which overpowers the itch receptors and helps relieves the itch. ...Read more

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What is best to use on buffalo gnat bites?

What is best to use on buffalo gnat bites?

All bites...: By insects are basically treated the same way, usually with corticosteroid creams, plus an antibiotic if an infection should develop. And remember to apply an insect repellant the next time you go to the area where you were bitten. ...Read more

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Best treatment for buffalo gnat bites?

Best treatment for buffalo gnat bites?

Steroid cream: Prescription cream will be more effective but you can try otc hydrocortisone. Otc antihistamine may help. Cirtirazine or Loratadine are far preferable to benadryl (diphenhydramine). ...Read more

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What is the best natural remedy for gnat bites on scalp?

What is the best  natural remedy for gnat bites on scalp?

Two I like: I like an oil of clove stick to dab the lesions for relief and calendula containing creams for broader areas of relief. ...Read more

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Many gnat bites on scalp 6 days ago. Itch & draining. Painful swollen nodes back of scalp and neck, esp neck. How to treat? No fever or cellulitis.

? could be infection: Drainage implies infection of your scalp/skin. If it is yellowish discharge then it certainly is infection which will require antibiotics by mouth. Go see your doctor . Itching can be relieved with Benadryl (diphenhydramine) capsules(may make you sleepy). If it is more than a small area(less than one inch) which is draining, you need to see a doctor to help you treat it better. ...Read more

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Gnat bites. Mom is 80. Been 1 week and still having swelling (throat, face). Prednisone and epi-pen treated. Allergist/Immunologist in Madison WI?

Gnat bites. Mom is 80. Been 1 week and still having swelling (throat, face). Prednisone and epi-pen treated. Allergist/Immunologist in Madison WI?

Allergist: there are a number of Allergists in Madison. I am not familiar with any of them. As it is obvious she has been treated by someone I would call her primary care physicians office and see who they reccomend as an allergist for her to see. ...Read more

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Can hornet/insect bites cause temporary allergies? Can any docs explain?

Can hornet/insect bites cause temporary allergies? Can any docs explain?

Depends whatyou mean: Hornet/insect bites can cause itching, hives, localized swelling all the way up to systemic reactions (anaphylaxis). If you mean can they cause nose or eye symptoms this would be indicative of a more systemic reaction (wheezing, swelling etc.). Any suspected systemic reaction should be treated immediately with Epinephrine followed by calling 911. ...Read more

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I'm extremely allergic to insect bites esp spiders besides a ridiculous over reaction by my immune system any other possible reasons for this?

May not be allergic: Reactions to insects range from local reactions to life-threatening anaphylaxis. Spiders usually cause local reactions, which can get large and may get infected. These symptoms are due to local irritation of the skin, which results in local inflammation. Signs of anaphylaxis include a combination of hives, swelling, breathing difficulty, vomiting, passing out due to systemic histamine release ...Read more

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Insect bites on my legs, they swell up to the size of a pint glass making it painful to walk. Am I allergic to them? Not had this reaction before?

Insect bites on my legs, they swell up to the size of a pint glass making it painful to walk. Am I allergic to them? Not had this reaction before?

See a dermatologist: Not an allergist. You assume these to be insect bites, and some people have exaggerated reactions to mosquitoes, but this is suspicious for something else. You need to begin with a precise definition of the problem so you will be able to get help. ...Read more

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I am getting normal reactions or allergic reactions to insect bites?

I am getting normal reactions or allergic reactions to insect bites?

Probably normal: Allergic reactions to insects most commonly occur with stinging insects like bees, wasps and fire ants. Local reactions to other insects are generally not allergic. Allergic reactions usually cause symptoms away from the bite. So, bitten on the toe and toe swells= not allergic. Bitten on the toe and lip swells= allergic. ...Read more

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Can I have an allergic reaction to a tick bite?

Can I have an allergic reaction to a tick bite?

Tick bite allergy: Hello, our immune system reacts typically after it has been exposed to a particular allergen or trigger in the past. After the first exposure, we activate one part of the immune system so that the next time we are exposed, we have developed antibodies to protect us from the exposure. So, yes you could be allergic or you are showing a possible reaction to lymes disease. See your doctor. ...Read more

Dr. John Chiu
2,574 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


Dr. John Chiu
1,030 doctors shared insights

Allergic Reaction (Definition)

Sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ...Read more