Dermatology Ottawa - A rash on the skin is usually defined as a change to the skin in its appearance, texture or color. A skin rash can effect the whole skin or could be localized on one specific area of the body. Rashes can normally cause the skin to itch, become dry, bumpy, painful, blistered, cracked, swollen or warm. usually, rashes may cause the skin to change color. The treatments and causes for rashes differ considerably depending on the diagnosis. The diagnosis is formed by taking into account various elements such as the rashes' overall appearance, what the person's job is, family history, what the patient may have been exposed to and various indications. The diagnosis may in fact confirm any number of health issues.
Having a rash appear anywhere on the body can indicate associated symptoms and signs that are common of specific diseases. Like for example, the rash in measles is called an erythematous, morbilliform, maculopapular rash. This usually presents itself a few days after the fever begins and naturally it presents at the head and after that works its way downwards.
There are many common causes of rashes like for instance: anxiety, food allergies, medicines, dyes and insect bites and stings. The metals nickel and zinc are often found in jewelry and are normally known allergens too. Skin contact with an irritant usually results in hives. These raised portions of skin could become inflamed, itchy, red, painful and swollen. Rashes could even result from a reaction to vaccination, from a fungal infection like for example ringworm, from friction because of chafing of the skin, from sunburn or heat exposure, and from skin diseases like eczema or acne.
A skin rash could likewise become present because of a bacterial or viral infection. For example, the viruses which cause chickenpox, smallpox, cold sores and measles could be distinct and uncomfortable. There are several uncommon causes of rashes like for instance: Lyme disease, pregnancy, lead poisoning, autoimmune disorders like psoriasis and of course frequent and repeated scratching on a particular part.
There are lots of potential causes of a rash, making the evaluation harder. In order to obtain an accurate evaluation, a health provider may need to do a completely thorough history. Like for instance, what is the individual's job? Are they taking any kind of medication on a regular basis? Has the patient recently traveled to whatever exotic locations? Usually, a complete physical examination will be helpful in order to determine the origin and cause of the rash.
Specific Elements to Include in the Examination Are:
The appearance of the rash, like for example, is it fine and sandpaper as found with scarlet fever, is it purpuric, that is typical for meningococcal disease and vasculitis? Is the rash consisting of plaques with silver scales which is usually seen with psoriasis? Or does the rash consist of circular lesions with a central depression, which is normal of small pox and molluscum contagiosum?
What is the distribution of the rash? For example with chicken pox, the vesicles often follow the hollows of the body; therefore, they are most prominent in the hollows of both shoulder blades as well as along the depression of the spine on the back. The rash presented with scarlet fever becomes confluent and forms bright red lines in the skin creases of the neck, armpits and groins. These lines are known as Pastia's lines. There are not many rashes which affect the palms of the hands or the soles of the feet, however this can be seen in spotted fevers or rikettsia, secondary syphilis, foot, mouth and hand disease as well as guttate psoriasis and even in kertoderma blenorrhagica. The symmetry of the rash is another feature to think about. Like for instance, herpes zoster often only affects one side of the body throughout an outbreak and does not cross the midline.
Generally, it is good advice not to scratch the rash. This is due to the scratching causing a spread of the rash. It could be tempting to softly rub the affected area to be able to provide temporary relief but it is better to avoid contact with the affected areas completely.
Various skin diseases can show their signs on the body. These signs could come in the form of Acne Vulgaris which comprises nodules, papules, pustules, comedones. Normally, this particular condition is found on the face, back and the chest. Acne Rosacea is defined as an area of redness or flushed appearance, normally found on the nose, chin, cheeks or forehead. Boils are a skin condition which can take place anywhere as a painful red bump or a cluster or series of red painful bumps. Cellulitis can be found all-around a skin breach like in a scrape or cut. It presents as a red, swollen and tender part of skin. Insect bites can occur anywhere on the body and are found as itchy and red, often swollen bumps on the skin.
After ingesting or being exposed to some foods, drugs or medicines, allergic reactions may visibly appear on the skin. They appear as raised, irregular or flat red sores. Hives can appear anywhere on the body. These are bumps that form all of a sudden and are often initially noticed on the face. Seborrheic Dermatitis is the definition of swelling and bumps which appear near glands. Cradle Cap is a condition on the scalp of newly born babies that looks like scaly, dry skin. Irritant Contact Dermatitis is one more condition which becomes a red, itchy or oily or scaly rash. It can be found on the eyebrows, edge of the scalp, nose or where the body is in contact with perfume, jewelry or clothing.
Some trees and bushes like sumac, poison ivy and oak could elicit an allergic response known as Allergic Contact Dermatitis. It presents on the person as red, scaly, oily or itchy rash which can be weeping or leathery. Allergic Purpura could take place anywhere on the body and looks like tiny red dots on the skin or even larger, bruise-like spots that appeared after taking medicine. Pityriasis Rosea can initially start with one scaly, red, slightly itchy spot. Within a few days, there may be large numbers of smaller patches of red or tan rash. This is found on the abdomen and chest area. Dermatitis Herpetiformis is a condition which comprises an extremely itchy rash along with red bumps and blisters, found on the elbows, buttocks, back or knees.
Other common kinds of rashes comprise: warts, Erythema nodosum, Chickenpox, Psoriasis, Shingles, Fifth Disease, diaper rash, Ringworm, Jock itch, yeast infection, Tinea versicolor, Impetigo, Rocky Mountain spotted fever, Scabies, Lupus erythematosus, and a lot more.
There are different treatment options depending on what type of rash the patient has been diagnosed with. Some rashes are easily fixed with non-steroidal treatments like salves made with aloe vera, sage, tea tree oil or comfrey. Other topical steroid creams like hydrocortisone are prescribed. Different medications could be found over the counter and some could be specially blended from a Naturopathic doctor or Herbalist.
Click to Download the pdf