Rosacea on brown skin The flushing or blushing of rosacea may be difficult to see on brown and Black skin. Rhinophyma Open pop-up dialog box Close. Rhinophyma Over time, rosacea can thicken the skin on the nose, causing the nose to appear bulbous rhinophyma.
Request an Appointment at Mayo Clinic. Share on: Facebook Twitter. Show references Kang S, et al. In: Fitzpatrick's Dermatology. McGraw-Hill; Accessed June 13, Habif TP. Acne, rosacea, and related disorders. Saunders Elsevier; Accessed May 19, Dahl MV. Rosacea: Pathogenesis, clinical features and diagnosis. Ferri FF. In: Ferri's Clinical Advisor Elsevier; Maier LE. Management of rosacea. Mayo Foundation for Medical Education and Research; Interventions for rosacea.
Cochrane Database of Systematic Reviews. Accessed June 14, Aldrich N, et al. Even something that never touched your skin. Your skin is the largest organ in your body.
And there are a number of things that can cause it to break out in blotches, bumps, blisters, scales, spots or just general redness. Most skin rashes clear up as quickly as they come. They might be small and appear easy to treat. But before you consider applying a little lotion to relieve the itch, you should understand exactly what kind of rash you have.
Luckily, the most common types of skin rashes in adults are ones you can typically wait out, treat with over-the-counter medications or resolve with the help of your primary care provider. Schedule Now. Most people associate eczema with itchy children but you can get it as an adult, too. Eczema is evident by its itchy, red, inflamed patches of skin in light skin tones. It looks brown, purple, gray or ashen in darker skin tones. Eczema is not something you can catch from someone else.
But it can be a chronic skin condition. Atopic dermatitis is a chronic, inflammatory type of eczema that can start in childhood but reappear in adulthood. It flares up in response to stress, weather changes, poor sleep and irritating fabrics or products. Avoiding these triggers is the first step of treatment but gentle skincare, a daily moisturizer and healthy sleep habits go a long way. The most likely source of this rash is an allergic reaction where your skin comes into contact with an irritant.
You may have had a brush with poison ivy, leaving behind a line-shaped or streaking rash. Nickel and rubber are lesser known yet common causes of contact dermatitis. But you could be allergic to anything from a certain type of fabric to a chemical in your laundry detergent. You may get itchy, red or swollen skin, and can develop blisters near the site of contact.
The best remedy is to avoid the allergen or irritant altogether. You can also apply a topical hydrocortisone cream or take an oral antihistamine to ease the itching. Olson says. While most rashes are caused by viral infections, they can result from bacterial infections too.
Cellulitis is the most common skin rash brought on by bacteria, says Dr. Course : Long term. Psoriasis is a chronic, autoimmune, inflammatory skin disease that causes raised, red lesions with silvery scales. The plaques tend to enlarge slowly over time and present symmetrically on the elbows, knees, scalp, buttocks, and so forth. Psoriasis can also affect the joints, resulting in psoriatic arthritis.
New research points to the fact that psoriasis is a generalized inflammatory disorder which could raise cardiovascular risk, including stroke, heart attack, and death. Mild psoriasis can be treated with hydrocortisone or other topical creams. Moderate to severe psoriasis can be treated with immunomodulators. Clinical Presentation : Petechiae on the palms or soles. Principal age group s : Any age. Cause : Tick-borne bacteria called Rickettsia rickettsii.
Course : One to two weeks. Rocky Mountain spotted fever classically presents with rash, headache, and fever that occurs after a recent tick bite. With Rocky Mountain spotted fever, older children and adults first develop a headache, followed by pains and aches in the muscles and joints.
Although Rocky Mountain spotted fever is found throughout the United States, it is most common in the southern Atlantic and south central states.
It is also found in Oklahoma. Typically, people are infected with Rocky Mountain spotted fever during warm months of the year when ticks are active. Several steps can be taken to prevent tick bites, including the following:. The rash is first maculopapular combining the features of macules and papules and occurs on the wrists and ankles. The rash then spreads to the body where it manifests as petechiae. Thrombocytopenia, or low platelet count, is common with Rocky Mountain spotted fever and causes petechiae.
The antibiotic doxycycline is used to treat this infection. Treatment with doxycycline is most effective when started within the first three to five days of the illness. Patients with neurological symptoms, vomiting, unstable vital signs, or compromised kidney function should be hospitalized. Clinical presentation : Redness of the central face and pustules. Principal age group s : Middle-aged and elderly adults. Course : Long term, flare-ups and remissions. Rosacea is a chronic disease that results in redness and bumps of the face and acne.
It is an inflammatory condition that affects the face and the eyes; it typically progresses over time. Rosacea can cause facial discomfort. Rosacea generally leads to the following:.
Rosacea is most common among white women. Depending on type and severity, rosacea can be treated with antibiotics, lasers, or surgery. Clinical presentation : Poorly demarcated, red plaques with greasy, yellow scales usually around the scalp, eyebrows, forehead, cheeks, and nose; can also affect the body.
Principal age group s : Men between 20 and 50 years old. Course : Long term, relapsing. Seborrhea is a chronic, inflammatory condition that affects the parts of the face that produce sebum. Sebum is an oily secretion produced by sebaceous glands. Infants can have seborrhea of the scalp cradle cap or seborrhea that affects the diaper area. People with seborrhea may be more likely colonized with Malassezia , a type of yeast. Seborrhea is mainly treated with topical antifungal medications.
Clinical presentation : Red, ring-shaped skin patches, with scaly border; the central clearing may not be red. Cause : Fungus. Course : Usually resolves after over-the-counter antifungal treatment.
Tinea refers to a group of diseases which are all caused by fungus called dermatophytes. Tinea can be spread by people after contact with towels, locker room floors, and so forth. This fungus can affect different parts of the body and cause symptoms specific to those regions, including:. Over-the-counter ointments and creams will usually treat tinea in the short term. More serious cases may require treatment with prescription medications.
Clinical presentation : Wheals. Cause : Allergies to food or drugs. Course : Typically resolves after a few days or few weeks. Urticaria, or hives and angioedema typically occur together. Angioedema refers to the swelling of the skin. Urticaria is treated with steroids and antihistamines, as well as the removal of any drugs or foods that are causing it. Clinical presentation : Papules, vesicles, pustules, and crusting, spreading out from a center i. Principal age group s : Children.
Cause : Varicella zoster virus. Course : Transient, lasts two weeks. Initial infection with the varicella zoster virus typically occurs in children between 1 and 9 years old and results in chickenpox.
In adults, the first-time infection with the virus is often more severe and accompanied by pneumonia. The hallmark of diagnosis with the varicella virus is a vesicular rash, which begins as papules then changes into vesicles and pustules before finally crusting. The rash first involves the face, trunk, and scalp. Eventually, it moves toward the arms and legs.
Other symptoms of chickenpox include headache, weakness, and loss of appetite. Treatment of chickenpox is symptomatic, with acetaminophen given for fever; fluids given for hydration; and antihistamines, calamine lotion, and colloidal oatmeal baths applied to the skin.
Antiviral therapy with acyclovir can reduce the duration of the fever and the severity of the symptoms. Childhood vaccination against chickenpox is recommended by the CDC. Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. Updated September 1, Bullous pemphigoid. An Bras Dermatol. World Health Organization. Herpes simplex virus. Access Medicine. Chapter impetigo. The Color Atlas of Family Medicine.
McGraw-Hill; Chapter bullous pemphigoid. Jaffe J, Ratcliff T. Chapter infectious disease emergencies. Chapter atopic dermatitis atopic eczema. Chapter acne vulgaris and acneiform eruptions.
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