The frequent clinical observation that the course of atopic eczema, a skin disease involving a disturbed cutaneous barrier function, is influenced by climate and weather motivated us to analyse these relationships biometrically
Can climate change cause itchy skin?
People who live in areas with seasonal weather changes may develop a dry, itchy rash during the winter months Winter rash refers to extremely dry, or dehydrated, skin in winter Causes include cold temperatures, low humidity levels, and using central heating People can take steps to avoid developing winter rash
What is a group of inherited conditions that results in the failure of the skin to produce melanin?
The term albinism typically refers to oculocutaneous (ok-u-low-ku-TAY-nee-us) albinism (OCA) — a group of inherited disorders where there is little or no production of the pigment melanin The type and amount of melanin your body produces determines the color of your skin, hair and eyes
Which of the following conditions is a hereditary rash or an inflammation of the skin characterized by dry sensitive irritated skin?
Seborrheic dermatitis is an inflammation of the upper layers of skin, characterized by red, itchy skin that sheds scales Seborrheic dermatitis may be a hereditary condition
Which of the following cells are located in the dermis and respond to allergies?
Mast Cells Mast cells are commonly found in the dermal layer
Can weather change affect skin?
During warmer weather, your skin complexion can change from normal to oily, leaving you prone to developing breakouts Higher temperatures prompt the skin to secrete more oil which leaves it looking greasy
Can change of weather cause skin problems?
Seasonal skin allergies are triggered by weather and climate conditions depending on the individual As it varies from person to person, the seasonal flare-ups can be caused by pollen during hot, dry summer days and by mold spores in the cold, rainy season
What skin condition causes white patches?
Vitiligo is a long-term condition where pale white patches develop on the skin It’s caused by the lack of melanin, which is the pigment in skin Vitiligo can affect any area of skin, but it commonly happens on the face, neck and hands, and in skin creases
What is a Macule skin lesion?
Macules are flat, nonpalpable lesions usually < 10 mm in diameter Macules represent a change in color and are not raised or depressed compared to the skin surface A patch is a large macule
What disease makes you sensitive to the sun?
People who have an extreme sensitivity to sunlight are born with a rare disease known as xeroderma pigmentosum (XP) They must take extreme measures to protect their skin from ultraviolet (UV) light Anything that emits UV light, including the sun and some lightbulbs, can damage their skin
Where does atopic dermatitis occur?
Atopic dermatitis most often occurs where your skin flexes — inside the elbows, behind the knees and in front of the neck Atopic dermatitis (eczema) is a condition that makes your skin red and itchy It’s common in children but can occur at any age
How does atopic dermatitis develop?
Atopic dermatitis can appear, or are up, when a person is exposed to something in his or her environment This is commonly called a trigger Known triggers for atopic dermatitis include exposure to allergens such as pollen, pet dander or peanuts, or by stress, dry skin and infection
What is the term for a rash caused by an allergic reaction or non allergic irritation from contact with substances such as a dye?
Contact dermatitis is a red, itchy rash caused by direct contact with a substance or an allergic reaction to it The rash isn’t contagious or life-threatening, but it can be very uncomfortable Many substances can cause such reactions, including soaps, cosmetics, fragrances, jewelry and plants
What cells release histamine during allergic responses?
In an allergic reaction—the immune system’s hypersensitivity reaction to usually harmless foreign substances (called antigens in this context) that enter the body—mast cells release histamine in inordinate amounts
What are the 4 types of allergic reactions?
Four different types of allergic reactions are immediate, cytotoxic, immune-complex mediated and delayed hypersensitivity reactions Allergic reactions occur when the body’s immune system has a reaction to a substance it sees as harmful, called an allergen
Which WBC increase in allergy?
Basophils: These represent less than 1% of white blood cells in the body and are typically present in increased numbers after an allergic reaction
How does cold weather affect skin?
Cold temperatures and low humidity levels result in dry air that draws moisture away from the skin Harsh winter winds and dry indoor heat can make the problem worse and lead to cracked and even bleeding skin Skin conditions such as eczema or psoriasis may also flare up during these cold, dry months
How does summer affect your skin?
Hot weather increases water loss from the body, leading to dehydration This can cause skin to feel irritated, red and dry, so make sure to hydrate your skin and keep water levels topped up Summer heat tends to mean more sweat, more oil and speedier skin cell production too
Can weather change cause dry skin?
Cold air, low humidity, and high winds outdoors strip your skin of much-needed moisture Turning up the heat and taking hot showers indoors do the same These harsh conditions cause your skin to lose its natural oils This allows moisture to escape, leading to dry skin and potentially a winter rash
Can weather changes cause dermatitis?
Hot, cold, humid, and dry — any type of weather can cause an eczema flare-up in some people
Can weather change cause hives?
A physical change in the environment can also cause hives, including a change in pressure, cold weather, exposure to sunlight and even heat, making dealing with the changing seasons difficult
Can humidity cause skin problems?
When the weather is humid it means that there is a lot of moisture in the air That causes the pores of the skin to open and makes them susceptible to gathering dirt, oil and allergens Too much humidity can cause problems like acne, skin breakouts, eczema and allergic reactions that show up on the skin
At what age vitiligo starts?
Vitiligo can start at any age, but usually appears before age 30 Depending on the type of vitiligo you have, it may affect: Nearly all skin surfaces With this type, called universal vitiligo, the discoloration affects nearly all skin surfaces
How can I test for vitiligo at home?
There are no at-home tests available to diagnose vitiligo However, you can do a general self-check of your skin and look for patchy or widespread loss of pigmentation (the coloring of your skin, hair, and eyes)
Which food causes vitiligo?
Here are some of the top problem foods that some people with vitiligo cite: alcohol blueberries citrus
What is a red macule?
A macule is a flat, reddened area of skin present in a rash A papule is a raised area of skin in a rash Doctors use the term maculopapular to describe a rash with both flat and raised parts
What are cutaneous lesions?
Cutaneous lesions are characterized histologically by the formation of multiple vesicles within the epidermis that contain cell debris, erythrocytes, and rarely syncytial cells
Is acne a macule?
All characteristic lesions of acne vulgaris can occur in skin of colour, but it usually presents with less discernible redness and more postinflammatory hyperpigmentation (pigmented macules) which persists long after the acne lesion has gone