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Doctor insights on: Bug Bites That Contiue To Spead For A Week

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Dr. John Chiu Dr. Chiu
2 doctors agreed:
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How long does it take for bug bites to completely disappear? Mine have lasted a week and still not gone.

Dr. John Chiu Dr. Chiu
2 doctors agreed:

May be weeks: Depending on how allergic you are to the venom and how much of the venom has been transmitted by the bite, the duration of reaction varies. Most of the lesions should have improved (sometimes they may get worse before getting better) in 2 weeks with the mark gradually fading away thereafter. 1 week is not unusual. ...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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I have had some bug bites that got infected and they have been around for several weeks, progressively getting worse. How can I treat this?

I have had some bug bites that got infected and they have been around for several weeks, progressively getting worse. How can I treat this?

See doctor: You will likely need an antibiotic for the infection which can be quite aggressive especially with spider bites. Don't delay a second longer. ...Read more

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3 weeks ago my husband started getting what look like bug bites on torso but now look like non symmetric squiggly lines and still itch. What is this?

3 weeks ago my husband started getting what look like bug bites on torso but now look like non symmetric squiggly lines and still itch. What is this?

Dermatographism?: The squiggly lines may be from scratching when one has an oversensitive skin. Dry skin may be a cause for this and thus he should consider applying a moisturizer within 3 mins after bathing on a regular basis. Consider trying an antihistamine as well. If the problem persists, see a dermatologist. ...Read more

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I have multiple bug bites from over a week ago. Reddish, 2-3 inches in diameter. Not itchy, no other symptoms. I have another bite that I did not scratch and it went away. I was wondering if I made it worse by scratching.?

I have multiple bug bites from over a week ago. Reddish, 2-3 inches in diameter. Not itchy, no other symptoms. 
I have another bite that I did not scratch and it went away. I was wondering if I made it worse by scratching.?

Avoid scratching: In order to help your bites heal I would avoid scratching. Your nails are dirty as well and puts you at risk for skin infection. Take OTC antihistamines to help with itch symptoms if applicable and apply OTC hydrocortisone cream to areas that are affected to reduce symptoms. See primary doctor if bites look infected. ...Read more

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Two bug bites red and little bumps after three weeks?

Two bug bites red and little bumps after three weeks?

Without being able: To examine you and see the actual lesions in question it is impossible to suggest what may be wrong or if this is a normal healing process. It would be best to see a health care professional for evaluation if it is concerning you. ...Read more

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Got a couple of bug bites on the thigh a month ago. Took a week to go away. Suddenly came back in exactly the same place. What causes this?

Got a couple of bug bites on the thigh a month ago. Took a week to go away. Suddenly came back in exactly the same place. What causes this?

Staph infection: It is most likely not a bug bite if it is recurrent. There is a worldwide epidemic of hard to treat staph skin infections. I would hope you could get in to see your family doctor soon to get eyes on the spots that are bothering you. ...Read more

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I went to cozumel a year ago. I got two bug bites. I treated them with stroid creme arfter weeks of itching. The bites have started raising up again.

I went to cozumel a year ago. I got two bug bites. I treated them with stroid creme arfter weeks of itching. The bites have started raising up again.

Might not be bites: It is possible that these were a type of eczema or another skin reaction. It would be unlikely for the same area to become irritated from a bite over a year ago. Would see your primary doc and see what they think. ...Read more

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I've been itchy all over my body 3 weeks now, the worst itch I've had and it honestly looks like bug bites and I did find a bug which I took a pic of while I was showering tonight on my body?

I've been itchy all over my body 3 weeks now, the worst itch I've had and it honestly looks like bug bites and I did find a bug which I took a pic of while I was showering tonight on my body?

Could be the bug: Or otherwise, something you are allergic to, or urticaria, you can try an antihistaminic OTC, but be careful if driving or operating machinery, and see your doctor if no improvement, you might need prescription medications ...Read more

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What would cause what looks like bug bites and tenderness that has lasted a week?

What would cause what looks like bug bites and tenderness that has lasted a week?

Delayed Reactions: Delayed insect bite allergic reactions lasting a few weeks are not uncommon. Other entities however need to excluded including drug allergy, autoimmune disease, infectious diseases and other entities. ...Read more

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I have been getting some large red bug bites that last about a week and are very itchy. I'll get about two at a time — seem to happen at night — ideas?

I have been getting some large red bug bites that last about a week and are very itchy. I'll get about two at a time — seem to happen at night — ideas?

Rash: Could be bed bugs if they are not there before bed and you wake up with them. Or more than likely it is hives. You really should see a doctor about this. ...Read more

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I have red spots on just my lower legs we have ruled out bug bites it's been 6 weeks now?

I have red spots on just my lower legs we have ruled out bug bites it's been 6 weeks now?

Please see: Please see your dermatologist for evaluation and to discuss treatment options. You may need a biopsy to find out what this is on your legs. ...Read more

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My Son is still experiencing foot pain from a bug bites 3 weeks ago. The following also describes him: Foot tenderness to touch. What shouldo I do?

My Son is still experiencing foot pain from a bug bites 3 weeks ago. The following also describes him: Foot tenderness to touch. What shouldo I do?

It's time.: Three weeks seems a bit too long to still have anything more than some minor residual pain. Apparently, the tenderness is increasing, which could be a problem. I suggest you have his foot evaluated by a specialist just to play safe. ...Read more

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I have itchy bumps for 5 weeks ... I don't know what it is. I don't have diabetes, I've had shingles a year ago... Not sure if its scabies or bug bites.

I have itchy bumps for 5 weeks ... I don't know what it is. I don't have diabetes, I've had shingles a year ago... Not sure if its scabies or bug bites.

Have it evaluated.: There are many things that could cause the skin to itch. Several types of inflammatory conditions of the skin, allergic reactions, and sometimes bacterial, viral or fungal infections can cause rashes on the skin. Insect bites can also be the cause of a rash on the skin. Have it evaluated by a professional and get the appropriate treatment. ...Read more

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Which bug bites (~30 on legs) other than ticks' can cause bullseye rash 2 weeks later? I went camping and these bites never itched nor hurt.

Which bug bites (~30 on legs) other than ticks' can cause bullseye rash 2 weeks later? I went camping and these bites never itched nor hurt.

Bites: It would be unusual to have 30 bites and not notice a tick. A bullseye rash is very suggestive of bites by a tick. See your doctor and if there is a possibility of tick bites be treated. They are very prevalent this year. All the best. ...Read more

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11 mth old swollen nodes on back of head at neck for 2 weeks. Went down 1 day & came back. No fever or other symptoms. Bug bites on head. Call doc?

11 mth old swollen nodes on back of head at neck for 2 weeks.  Went down 1 day & came back. No fever or other symptoms. Bug bites on head. Call doc?

Reactive: These nodes are reacting to the bug bite on the scalp. Ibuprofen could help with swelling. If the nodes continue to swell or get worse a course of antibiotics could be helpful. So I would see the doc in 1-2 weeks if not better. ...Read more

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My 5yo got several bug bites while on vacation in VA. One on her knee got very swollen and remained a big red spot for 1.5 weeks. Now (over 2 weeks later), it looks like a gray bruise. Still, about two inches in diameter. What is it?

Mgt: A virtual consultation may be helpful to you and your pediatrician. A photo may be uploaded at that time.
From your description, the insect bites may have caused an allergic reaction. Other possibilities include Lyme disease, is there central clearing of the reddened area? I would advise seeing your PCP, but a topic 1% Hydrocortisone cream may help to decrease inflammation. ...Read more

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What causes bug bites?

What causes bug bites?

Bugs: Bugs bites are the reaction to different, well, bug bites. These could be mosquitos, chiggers, fleas, bed bugs. "Bug bites" is really a broad category. ...Read more

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What bug bites hurt not itch?

What bug bites hurt not itch?

Bug bites: Any allergic reaction to a bug bite can itch however, spider bites, and deer fly are less likely to cause an allergic reaction than fire ants, mosquitos, or chiggers. Some 'bites' are not really bites at all, but rather the discomfort comes from a sting such as: fire ants, bees wasps and scorpions. ...Read more

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Is Windex good for bug bites?

Unsure: If you were in the cast of the "Big Fat Greek Wedding", the answer would be yes. I do not see any therapeutic effect from it but it may soothe the itching a little. For itchy lesions, hydrocortisone cream works better. For sores, you may need an antibiotic. Some bites (black widow, brown recluse spiders) often require medical attention. ...Read more

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What does bug bites look like?

What does bug bites look like?

See below: Bug bites create a red, swollen, warm area called a local reaction and can become infected like any other bite. Seek medical treatment if your are concerned about infection. ...Read more

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How to tell types of bug bites?

Very difficult: It's not really important which type as they are all treated in the same way. ...Read more

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Mysterious bug bites, what to do?

Mysterious bug bites, what to do?

Difficult to say: It is hard to say without knowing what the rash looks like and how and where the bites have occurred. ...Read more