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Questions tagged [dermatology]

Questions about diseases or disorders of the skin fall under the general tag "dermatology", which is the branch of medicine dealing with the skin. This includes the skin's structure and function as well as any disorders or diseases. It also deals with structures generated in/by the skin, e.g. sweat, oils/sebum, hair, nails, moles, warts, skin coloration and its disorders, etc.

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1answer
24 views

Eczema vs urticaria

What is the difference between eczema and urticaria? I want to know the pathophysiology and most common causes to understand why they are different !
1
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1answer
65 views

Do synthetic fabrics pose a health risk?

Background I've seen a large number of health blogs that describe Polyester, Rayon, Acrylic, and Nylon, as harmful or toxic (usually due to chemicals used during the manufacturing process). Some ...
2
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1answer
46 views

Scar size and human growth

Let's say a toddler has a 4-inches scar running from his eye to his mouth. Will the scar be stretched that when he reached adulthood his scar still runs from his eye to his mouth? I remember reading ...
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0answers
54 views

Repairing skin, fat, muscle tears

I have a basic question. I have seen videos of wound treatment, where the doctor induces bleeding around the edge of the wound... to create granulation tissue... then suturing the wound. My question ...
4
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2answers
96 views

Why does acne get worse during the first two weeks of treatment with isotretinoin?

I've heard and read from multiple sources that acne gets worse during the first two weeks of treatment with isotretinoin, but I haven't been able to find an explanation as to why this happens. From ...
3
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1answer
63 views

What treatments are available for dandruff/psoriasis

There are basic anti-dandruff shampoos such as Head & Shoulders, and there are coal tar treatments such as Alphosyl 2 in 1, Capasal, Polytar or T/Gel for itchy and flaky scalp problems, but if you ...
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0answers
14 views

What are the minimum specifications for a dermascope?

In addition to professionally sourced dermascopes that tend to be expensive are several low end devices that connect wirelessly to a smartphone. What would be the minimum specifications of a device to ...
5
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2answers
170 views

“There is a very strong correlation between consuming dairy products — such as milk — and acne, skin breakouts and aging.”

I read an article here that says: “There is a very strong correlation between consuming dairy products — such as milk — and acne, skin breakouts and aging.” The reason? Hormones, Bella says. ...
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2answers
83 views

Can you prevent skin tags?

Skin tags, formally known as acrochordons, are small pieces of flesh that protrude from your skin. You’ll know it’s different from a wart or mole because of its pedestal base. Warts are flat on top ...
4
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2answers
47 views

Biochemistry of (tap water) iontophoresis?

I'm curious to know what science has to say about the biochemical processes of tap water iontophoresis. I was trying to find some insights from the mechanism of action to answer things like: Why does ...
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0answers
46 views

The relation of weight loss speed and loose skin

For the past week I have been hunting for the answer to the following question: Does the speed at which you lose weight have any relationship with loose skin? And the real question, why or why not? ...
2
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2answers
136 views

Do UV-B emitting lamps for reptile pets produce vitamin-D in human skin?

There are those lamps like e.g. "ReptiGlow" for pet reptilians, to keep them healthy, the output being graded e.g. by habitat: jungle (trees somewhat reduce the UV that hits the animals), or desert (...
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1answer
59 views

How can one product work both as a skin moisturizer and a soap?

The pharmacist gave me this cream for treating dry/dead skin on fingertips, and she also added that I can use it as a soap as well! The manufacturer also confirms this. Normally, you don’t apply soap ...
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0answers
24 views

What UV intensity (watts per area) should be the maximum a light-skinned person should be exposed to?

I have a UV AB meter that can measure UV A and B light intensity in microWatts/(centimeters squared). In direct afternoon sunlight, I measure UV AB at about 3000 microWatts/cm^2. In the shade of the ...
3
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0answers
43 views

Does eating manuka honey help prevent acne?

Does eating manuka honey help prevent acne? What I have found so far is unsubstantiated or in vitro. {1}: The Internet is filled with patient testimonials that Manuka honey works marvelously for ...
2
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1answer
58 views

What are these perfectly circular red shapes on the back of that person?

I am now living in Korea and have seen regularly these circular red shapes on the back of Korean people. Here is a picture. Sorry for the low quality, it is difficult for me to take a picture of ...
5
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1answer
68 views

Beyond correlation, why is Frank's sign significant or not?

The Wikipedia lists Frank's sign as Frank's sign is a diagonal crease in the ear lobe extending from the tragus across the lobule to the rear edge of the auricle. The sign is named after Sanders T. ...
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0answers
61 views

How can we prevent inhaling or ingesting mites that live on everyone?

I was distraught to learn today that "mites are living on everyone": Demodex folliculorum, Demodex brevis. What can I do, and not do, to prevent them from entering my body? Am I correct that any ...
13
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1answer
207 views

How does poor sleep cause circles under one's eyes?

I've read that poor sleep causes circles under one's eyes. Also, I've read that they are caused by dehydration. Is it safe to assume that the way poor sleep causes the circles is by causing ...
1
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0answers
28 views

Why do skin calluses not heal sometimes and remain tough until they fall off?

Bar exercises such as pull-ups, toes-to-bar etc. usually cause skin calluses on one's hand, just below the place where the fingers are connected to the hand, e.g.:. So the skin in these areas hardens,...
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0answers
31 views

Is it bad for skin to be naked so often?

I often feel itchy, very quickly after I take off my shirt. So it made me think about it. I can Imagine that cloth absorbs our sweat and thus prevents it from accumulating on skin which I don't think ...
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1answer
53 views

Epidermis destruction after fish eating skin?

Before a time I asked myself a question: Part of the epidermis cells are dead right, so aren't the fishes (see link below) in a spa dangerous to skin by eating a part of epidermis that basically ...
2
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0answers
44 views

What diseases could be transmitted skin to skin (massage)?

What kind of diseases one can get from a skin-to-skin interaction such as getting full body massages (without touching intimate parts) assuming a person had mild skin damages that occur after shaving ...
2
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1answer
76 views

Petechiae vs purpura vs teleangiectasia

I am having trouble understanding the visual and structural differences between these vascular lesions. I know that purpura is elevated and that spider angiomas (easly recognizable) refill from the ...
5
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2answers
81 views

What Causes Stress Hives

I was looking up the effects of stress on skin on WebMD. It only talked about treatment and gave an very basic overview of one potential explanation, but not for the hives in particular. I just want ...
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1answer
29 views

Do simple carbohydrates affect skin quality?

Does eating simple carbohydrates affects the skin quality ? Will it make skin dark, old, dull, dry, wrinkled, saggy, or cause fine lines or age spots?
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0answers
16 views

As of Apr. 2018, is topical benzyl peroxide considered to be carcinogenic?

Please notify me of any more recent studies than this from 1995, whose abstract states: Topical benzoyl peroxide has been used in the treatment of acne for over 30 years, with no reports of adverse ...
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2answers
54 views

Tinea Capitis ( Ringworm of the scalp) under a magnifying glass

Supposing a patient has Tinea Capitis (Ringworm of the scalp) what will you see under a magnifying glass?
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0answers
45 views

Why do you not need sun protection whe the UV index is 3?

In Australia, they recommend sun protection when the UV index is above 3. Why is this? Surely whenever it's above 0 there are still UV rays hitting your skin? Would 10 minutes in the sun with a UV ...
2
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0answers
29 views

Do bearded faces age slower?

Recent research indicates that UV exposure may be responsible for around 80% of facial skin aging symptoms. The more unprotected exposure from the sun, the more the skin ages. Does the evidence show ...
1
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1answer
397 views

Differential diagnosis for a facial lesion?

What is the differential diagnosis for a facial lesion such as the one shown? Appearance: consists of multiple small blister-like lesions in clusters under the eye and on upper cheek. Base edematous ...
6
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1answer
68 views

Aesthetics aside, is there a medical reason that acne should be treated?

There are obvious costmetic reasons to treat Acne. However, are there medical reasons for acne to be treated? Possible disadvantages of treatment include harshness of chemicals, side effects of ...
3
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0answers
54 views

Electromagnetic Light and Radio Pulses in Combination against Skin Conditions

Reading up on recent developments in the treatments for Hidradenitis suppurativa I came across a brand new option. Τhat option, if true, would by absolutely sensational on several fronts: The so ...
1
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0answers
37 views

What is the most potent method of scar resurfacing?

For now, there are different methods of scar resurfacing: Laser Fraxel Radio Frequency therapy CO2-Laser Microneedling with/without PRP Nd:YAG laser Dermabrasion/Microdermabrasion Maybe some others?...
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0answers
1k views

Mederma or Contractubex. What is better for still forming normotrophic scars?

Mederma and Contractubex have similar composition. Mederma's ingredients according to Tabletwise: Allium Cepa Topical (onion) Allantoin Topical Purified Water Topical Xanthan Gum Topical ...
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1answer
1k views

Is ASEA supplement useful against scars or it is a fake product?

3 months ago I obtained normotrophic scar on my face in place of eyelid. All this time I was looking for remedies to minimize scarring and somehow improve appearance of scar. I was advised to use ...
0
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0answers
44 views

Is the kids moon disease a skin cancer?

Dry pigmented skin or kids moon Xeroderma pigmentosum is a genetic disease that was first discovered in 1870 by Dr. Moritz Kaposi, a product of the loss of oxygen-deficient ribosome DNA, in its ...
4
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1answer
111 views

How to REALLY treat fungal infection? [closed]

Problem: I'm a runner. My immune system became weak due to some virus and I got a fungal infection about 9 months ago. Treatment: I didn't know that I have a fungal infection because it wasn't ...
1
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0answers
19 views

Why is terbinafine hydrochloride cream OTC in the US whereas ciclopirox olamine cream isn't?

Why is terbinafine hydrochloride cream OTC in the US whereas ciclopirox olamine cream isn't? Both medications are typically used to treat fungal skin infections (tinea corporis, tinea capitis, tinea ...
3
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1answer
61 views

Which type of protein supplement is better suited to promote skin healing?

Typically, protein is used as a sport nutrition for muscle growth. But I need it for another reason. I was injured (lacerated skin wound). Physicians sometimes recommend to consume protein to promote ...
1
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0answers
80 views

How to prevent and minimize whitening (albication) of the scar on face?

Normotrophic scar (about 1 cm long) was formed on my face (lower eyelid). Typically, with time scars tend to turn white. That probably indicates that scar tissue formation is finished. Then this ...
2
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1answer
70 views

Does vitamin E in oil liquid form help to eliminate wrinkles on face?

It is sometimes recommended by dermatologists for topical use to promote wrinkle smoothing. Does vitamin E in liquid oil form help to fade wrinkles?
2
votes
1answer
70 views

Does vitamin E in liquid oil form help to fade scars?

It is often recommended by dermatologists and self-healing people to promote scars to fade away. Vitamin E in oil form should be rubbed in on scars by massaging movements twice daily. There may be ...
2
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0answers
63 views

What substances are absorbed through skin when pores are open through heat? [closed]

It can go directly in your bloodstream. Most substances are absorbed faster through skin than when ingested(from what I've read) I know apparently Chloride is effectively and quickly absorbed. "...
3
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0answers
12 views

Calculating sun exposure limit over changing UV index

I'm currently working on an engineering project which monitors the users current UV exposure and attempts to calculate how much time they can safely remain in the sun. An issue I've encountered is ...
1
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1answer
146 views

What vitamins or dietary supplements for internal taking are useful for injured skin?

I was injured 2 months ago. After the removal of the stitches a normotrophic scar (about 1 cm long) is forming on my face. I would like to indirectly contribute to the skin and my constitution for ...
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0answers
42 views

Is simultaneous use of silicone gel and plaster against scar reasonable?

Some plastic surgeons say that attaching silicone plaster on top of the silicone gel is more effective against scar. Some surgeons say that it is useless. What is the truth?
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0answers
50 views

Does it make sense to apply bio-oil products such as vitamin E (oil), Aloe vera, etc. on the scar to minimize scarring?

I have 1-month old scar on my face. Now I am using silicone gel against scars. On the internet I found that in such cases, it will also be useful to apply such products as vitamin E (liquid form), ...
6
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2answers
72 views

What causes some lacerations to form hypertrophic scars?

What feature of a skin injury (for example, depth of laceration?) determines whether scars will form as hypertrophic or not? For this question, I am differentiating hypertrophic from keloids, which ...
2
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1answer
346 views

Is combining silicone plasters and silicone gels for scars effective?

I have a question. As far as I know, silicone gels and silicone plasters (aka sheets or patches) are used to optimize wound healing and minimize scarring. I purchased a silicone plaster Mepiform and ...