Insect Bite

Lacerations or puncture wound made by an insect is called an insect bite. When insects bite, most of them inject formic acid into the skin, which results in blisters, swelling, pain, redness, and irritation. The common insects that bite humans are bedbugs, ticks, fleas, mosquitoes, and gnats.

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All the answers published in this website are written by Verified medical doctors, therapists and health experts. The Content has been moderated by iCliniq medical review team before publication. Post your medical clarifications on iCliniq by choosing the right specialty and get them answered. Your medical queries will be answered 24/7 by top doctors from iCliniq.

What can cause freckles to develop overnight?

Query: Hi doctor,I have developed some brown patches and freckle like spots on my left hand overnight. I went to bed last night with a new light brown freckle on the palm of my hand and woke up this morning to it being darker and there being more freckles and patches. There are a couple of patches on my ri...  Read Full »

Dr. Gaurang Gupta

Answer: Hello, Welcome to These are not freckles according to the duration of appearance (attachment removed to protect patient identity). Freckles do not come overnight. There are only two possibilities. One is insect bite reaction and the second one is purpura. It is looking like b...  Read Full »

How can I differentiate between scabies, flea bites, bed bug, and folliculitis in my practice?

Query: Hi doctor,I am a general practitioner. I struggle to differentiate these conditions: scabies, flea bite, bed bug and folliculitis. I would really appreciate your clinical knowledge and goodwill in enlightening me about this, so I can provide better care for our patients.  Read Full »

Dr. Suvash Sahu

Answer: Hello, Welcome to I have seen your query. Scabies is caused by mites. In this, the patient presents with nocturnal itching with burrows over the web space of hands. In flea bite or bed bug bite, you may find itchy erythematous papules that may be localized or generalized depending u...  Read Full »

What can cause tiny fluid-filled blisters on the arm?

Query: Hi doctor, I am 19 years old. I have clusters of tiny fluid-filled blisters on my right palm, arm and below the neck at backside. These are causing inflammation and painful when touched or pressed. It has rapidly increased in two days and is now spreading to other body parts. In the past, I had pso...  Read Full »

Dr. Naresh Kumar Monigari

Answer: Hello, Welcome to I had gone through all the details posted. Kindly answer some questions. For how many days you are having these? Are there only one place you have mentioned or everywhere else? Is there itching at the site of lesions? Did you have any insect bite? Any history of trav...  Read Full »

I am experiencing swelling, a large red rash on my back, and severe itching. Is this due to bug bite?

Query: Hello doctor, I am experiencing swelling, a large red rash on my back, and severe itching, which may be a bug bite. Kindly help.  Read Full »

Dr. Basuki Nath Bhagat

Answer: Hello, Welcome to I understand your concern. I reviewed the picture (attachment removed to protect the patient's identity). There is an erythematous patch and swelling with erythema present. Are both the same lesion or present at a different area of the body? One of the common causes...  Read Full »

What to do for an insect bite?

Query: Hello doctor, I got stung by a bee yesterday morning on my toe. When I woke up this morning, I started feeling itches here and there in my body. I also got two blisters on the top of my toe where the bee had stung.  Read Full »

Dr. Shyam Kalyan. N

Answer: Hello, Welcome to With the conversation we had, I understand that you were bitten by a bee yesterday (insect bite) on your toe and today you have blisters, itching, and swelling. Based on the information you gave, I have suggested some measures as well as some medications. Please was...  Read Full »

I am bitten by something and the area looks red. How can I be treated?

Query: Hello doctor,Three days ago, I think I was bitten by something in my sleep. It does not seem to subside on its own, so I am not sure what to do. The area looks red and is kind of warm. It feels like a bruise. I do not have any fever or weakness. I feel like this is something serious, but I am not su...  Read Full »

Dr. G. S. S. Sandeep

Answer: Hello, Welcome to Your concern may be paederus dermatitis. I suggest you try Linical lotion (calamine) along with hydrocortisone cream. Apply them twice daily to the affected area. Regards.   Read Full »

I have had a rash around my anus for ten days, and I do not know what it is. Please help.

Query: Hello doctor, I have had a rash around my anus for ten days. It started around ten days ago. And one week before that, I shaved my buttocks using a cream for hair removal. It started as an itchy burning, a single small lesion that grew up and became more. Sometimes it is painful, especially when I w...  Read Full »

Dr. Sandhya Narayanan Kutty

Answer: Hello, Welcome to Hope you are doing well. Having gone through the history and the images provided from your end (attachment hidden to protect patient's identity), they are eczema, or dermatitis lesions formed post insect bite reaction. Eczema occurs due to long-term insect bite reac...  Read Full »

How can I get rid of itchy red dots from bug bites?

Query: Hello doctor, I have bug bites that appeared as small red dots first and then turned into bigger, more normal bug bites within two days. I have washed my bed sheets twice and got more when I was away in another city for two nights. They are itchy, but there is no pus or anything. I have about a doz...  Read Full »

Dr. Jyotisterna Mittal

Answer: Hi, Welcome to I have read your query in detail and viewed the attached pictures (attachment removed to protect patient identity).  Read Full »

I have a white circle at the site of spider bite. Please help.

Query: Hello doctor, I got bitten by what I am thinking a spider a week back. I figured since it seemed to have a little white and liquid coming out. So, I squeezed it. It has been four days and the bite is painful. Now I have a white circle where it once was just red and oozing. I have tried Cortisone but...  Read Full »

Dr. Hafiz Muhammad Hassan Shoukat

Answer: Hi, Welcome to It got infected now with necrotic material inside. Cortisone is not helpful, it may worsen the infection. You need antibiotics, I would say topical antibiotics if necrotic material and redness is not there. But now you need oral antibiotics. Consult your doctor. He may ...  Read Full »

My husband has red bumps all over his body with an itching sensation. Kindly help.

Query: Hello doctor, My husband has red bumps all over his body with an itching sensation. It seems like mosquito bites, but they spread all over the body. Kindly help. Thank you.  Read Full »

Dr. Sandhya Narayanan Kutty

Answer: Hello, Welcome to As per the history and images provided (attachments removed to protect the patient's identity), it is an insect bite reaction (IBR) due to bug bites. They appear as itchy, red to dry papules with increased itching sensation toward night time, most often acquired from...  Read Full »

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