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Doctor insights on: Bug Bites That Itch And Blister

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Do bed bug bites itch and swell up like blisters?

Do bed bug bites itch and swell up like blisters?

It is possible but: Can appear different from this description. Bed bug bites may cause no symptoms or signs in some people. When there is a reaction, it may not show until several days after the bed bug has bitten. It can cause pink, swollen, itchy lesions on the skin. What can be telltale is when there is a linear track of lesions from sequential feedings – but that does not always occur. ...Read more

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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A bug bites me when I was on beac, after 1 day my arm got so big around that area that the bug bites, no pain, no blister, just itching, what can I do?

A bug bites me when I was on beac, after 1 day my arm got so big around that area that the bug bites, no pain, no blister, just itching, what can I do?

Bug bites: Some insects can cause a venomous bite, meaning it can cause redness and swelling and itching. If it is really bad you should have it checked out to make sure you do not have cellulitis and if needed the doc can prescribe antibiotics. Meanwhile, you can try some over the counter antihistaminic like benadryl (diphenhydramine). ...Read more

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Fingernail sized blister. Bug bite. Light red. Light itch. Underneath the blister skin looks like Mars surface (ex: Trypophobia pics). 2 weeks now.

Fingernail sized blister. Bug bite. Light red. Light itch. Underneath the blister skin looks like Mars surface (ex: Trypophobia pics). 2 weeks now.

I cannot see your: Pics but large blisters can be caused by many things including bites, allergic reactions, infection, blistering disorders. I recommend if you aren't clearing in the next week, or if it is getting bigger or more painful, you should see a board certified dermatologist ...Read more

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My little brother got bit by something he has a couple little bites probably like six or seven of them in a little group and he doesn't say their mosquito itches there just burning more like but they do look like bug bites, what could it be?

My little brother got bit by something he has a couple little bites probably like six or seven of them in a little group and he doesn't say their mosquito itches there just burning more like but they do look like bug bites, what could it be?

Clustered Rash: We do not know the age of your little brother which might guide us in learning about this rash. 6 or 7 little spots which look like "bug bites" to you is helpful. Anyone else have a similar rash? Is it increasing or number of areas? Are they crusted over? Is there overlying redness extending from the areas? Ddx: includes impetigo, mite bites as scabies, spider or mosquito bites ...Read more

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Today I got a bug bite thing that itched then turned into a little blister, i also got one on the side of my hand and itches alot. What kind of bite?

Today I got a bug bite thing that itched then turned into a little blister, i also got one on the side of my hand and itches alot. What kind of bite?

Hard to say: Often blistering is related to a spider bite, but can be caused by another insect. Tick bites usually cause a hard centre. Keep them clean, use a medication for itching, and follow up for any unusual symptoms. All the best. ...Read more

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I have blisters like bug bit size from my hands to my t shirt line. The itch very bad and sometimes when it itches it looks like hives. Any ideas?

I have blisters like bug bit size from my hands to my t shirt line. The itch very bad and sometimes when it itches it looks like hives. Any ideas?

See doctor: If these have been present for less than a week or so, it is ok to use Hydrocortisone cream. But if it is getting worse or lasting longer than that, you will need to see your doctor to get the area examined. If the blisters are oozing, you need to see your doctor immediately. Since you stated my hands, I presume they involve both sides. ...Read more

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Bug bite on ankle. Hurts, itches, swollen and bruised. About an inch from the bite is a cluster of liquid filled blisters. What could it be?

Bug bite reaction: Assuming it is definitely a bug bite, this is probably more bites or reaction to any venom injected by the insect. See your pcp if it doesn't improve quickly. ...Read more

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I get insect bites regularly and it itches and is a large red mango sized hard lump it gets bigger each day and lasts for one week what bite is it and?

I get insect bites regularly and it itches and is a large red mango sized hard lump it gets bigger each day and lasts for one week what bite is it and?

Can't guess: Without more information. Best bet would be to ask around in your location as to which insect bites cause very large swellings. You my also be allergic. Use insect repellant. See a doctor if the lump stays around. Good luck! ...Read more

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I have some severe bumps where you fold your leg. It burns an itch; they look swollen red & like insect bites. What should I do? Help!

I have some severe bumps where you fold your leg. It burns an itch; they look swollen red & like insect bites. What should I do? Help!

As with... : As with most things on the skin, a doctor needs to actually look at this to see what it is. It could be bites, or it could be an infection of the skin (something called impetigo). If it's getting worse and spreading, see your doctor. ...Read more

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I have what seems to be an insect bite but it looks like a blister and that's how it looked when it first appeares and itches like mad?

I have what seems to be an insect bite but it looks like a blister and that's how it looked when it first appeares and itches like mad?

Could be: It is common for some people's bodies to over react to some insect bites. It will usually grow bigger for 2-3 days. As long as it is itching more than tender it isn't likely to be infected. Also, if it is just on the one area that was bit it doesn't sound like an allergy, just an exaggerated localized reaction. Ice massage and antihistamines might help. ...Read more

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I keep getting bit by something. I don't see nor feel it. The bite swells like mosquito bite, itches and has a small blister in the center what is it?

I keep getting bit by something. I don't see nor feel it. The bite swells like mosquito bite, itches and has a small blister in the center what is it?

Must be seen and: Evaluated. Cannot be diagnosed online. You can try using 1% hydrocortisone cream (OTC)-for itching and swelling ; however, definitive diagnosis requires direct examination ...Read more

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I keep getting bit by something. I don't see nor feel it. The bite swells like mosquito bite, itches and has a small blister in the center. About 4 bite?

Assuming it is a: Different location each time. Consider applying calamine lotion or crushed ice or a cold pack. A 1 to 1 mix of water & baking soda is effective when applied to lesions. You can take oral medications like Benadryl (diphenhydramine) or Chlorpheniramine for itching. Take care. ...Read more

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Hi some type of insect bit me and it os red with yellow flat blister with no water.it itches and is now 5 days and its not better should i go to a dr?

Hi some type of insect bit me and it os red with yellow flat blister with no water.it itches and is now 5 days and its not better should i go to a dr?

Insect bite: If the bite site shows no spreading redness, burning, or pain there is no concern for a secondary bacterial infection. At this time I would keep it clean and apply a combination of a cortisone and antibacterial type ointment. ...Read more

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I was in Peru and got an insect bite on my arm. It's been over a month and it still itches badly and I now have 3-4 blisters. OTC cream not helping?

I was in Peru and got an insect bite on my arm. It's been over a month and it still itches badly and I now have 3-4 blisters. OTC cream not helping?

Maybe not insect: Skin irritation can have many causes, it may be that it was actually something else, like oil from a plant that got on your skin. You want to make sure it isn't infected. Your doctor or a dermatologist would be able to help you narrow down the cause and prescribe stronger medicine to help with itching. Hope it gets better soon! ...Read more

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I got a bite from a black ant and it really itches. My finger feels like it is throbbing a little. I was wondering if I should pop the blister and how?

I got a bite from a black ant and it really itches. My finger feels like it is throbbing a little. I was wondering if I should pop the blister and how?

No: Leave the blister alone. You can apply anti-itch cream or medication to relieve the discomfort, but the blister will eventually open on its own or recede. Popping it may make it more prone to secondary infection. ...Read more

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2 bites on right calf, small white blisters i the center, red and swollen around the blisters. Hard knot under the skin. Itches. No fever.

2 bites on right calf, small white blisters i the center, red and swollen around the blisters. Hard knot under the skin. Itches. No fever.

Fire ant bites: Most likely fire ant bites, they will go away without treatment in several days. The white center is not an indication of infection, so it is best not to break the blister. Just put a bandage over them to keep your little one from scratching. An over the counter antihistamine like Diphenhydramine (benadryl) will likely help the itching along with a cool compress. ...Read more

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I'm not sure if your the right dr to ask, but I have these bite that I thought where bug bites but some developed a clear blister on top. When one goes away another one comes. They itch and pop easily but they don't appear to be spreading. It's only on top

I'm not sure if your the right dr to ask, but I have these bite that I thought where bug bites but some developed a clear blister on top. When one goes away another one comes. They itch and pop easily but they don't appear to be spreading. It's only on top

Need more info: You have come to the right place. Unfortunately rashes are difficult if impossible to diagnose without seeing. It is not clear where these are either. This type of rash can be many things. I suggest setting up a consult with one of HealthTap doctors where you can discuss it in more detail and upload photos. ...Read more

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What are some home remedy to itching bug bites?

Sure: Mix baking soda & water together until mushy — apply to bites. ...Read more

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Generalized itching. No evident rash or bug bites, what to do?

Generalized itching. No evident rash or bug bites, what to do?

Dry Skin: Generalized itching without primary skin rash most commonly caused by dry skin. Most severe during the winter months and in older people, characterized by itching in areas of dry, scaly skin. Lab work can check if there is an underlying cause: CBC/diff, liver/renal function tests, and thyroid workup. Treat with daily moisturzation and better skin hygiene. Non-sedating antihistamines for itch. ...Read more

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Generalized itching. No evident rash or bug bites, what could it be?

Many possibilities: This could be caused something as simple as dry skin or may represent something more complex. Try antihistamines and skin lotion. If no improvement see a physician. ...Read more

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My back has been itching for 3 days no rash or bug bites what could it be?

My back has been itching for 3 days no rash or bug bites what could it be?

Dry skin?: Itch with rash = allergy. Itch without rash = not an allergy. Usually it's just dry skin. Other possibilities include liver, kidney, thyroid, parathyroid, and psychological disorders. Try hydrating skin by soaking in warm water without soap followed by application of a moisturizing fragrance-free cream or ointment. If not better after a few days see your doctor or nurse practitioner. ...Read more

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I burned myself while cooking 3 days ago there's a blister and it itches should I be worried?

I burned myself while cooking 3 days ago there's a blister and it itches should I be worried?

Watch area...: If you have a small blister from the burn that now itches, that is not concerning. The itchiness can be felt during the healing process. What you want to look out for are any signs of infection. Whenever your skin barrier is compromised (burn in your case), skin bacteria can cause infection. Pus, increasing redness, increasing pain, new swelling, are worrisome signs warranting a trip to a doctor. ...Read more

Dr. Philip Miller
1,737 doctors shared insights

Blistering (Definition)

A blister is a collection of fluid under the epidermis. A blistering rash is one in which ...Read more


Dr. Jack Mutnick
1,079 doctors shared insights

Itch (Definition)

An itch is an irritating sensation that causes one to have the urge ...Read more