Some rashes develop right away. Others form over several days. Although most rashes clear up fairly quickly, others are long-lasting and need long-term treatment.
Because rashes can be caused by many different things, it's important to figure out what kind you have before you treat it. If it is a bad rash, if it does not go away, or if you have other symptoms, you should see your health care provider. Treatments may include moisturizers, lotions, baths, cortisone creams that relieve swelling, and antihistamines, which relieve itching. The information on this site should not be used as a substitute for professional medical care or advice.
Contact a health care provider if you have questions about your health. Rashes Also called: Dermatitis, Skin rash. Learn More Related Issues Specifics. Both topical and oral antibiotics can be used to treat impetigo. If the impetigo is caused by MRSA, a drug-resistant bacteria, then oral antibiotics are needed. The best way to prevent MRSA is to practice good personal hygiene and avoid sharing clothes and towels. Clinical presentation : Plaques, lichenification. Principal age group s : People between 30 and 50 years old.
Cause : Unknown. Course : Long term, remits with treatment. Lichen simplex chronicus is a chronic skin condition caused by itching and scratching. Depression, anxiety, obsessive compulsive disorder, and sleep disturbances can all play a crucial role in the cause and continued course of lichen simplex chronicus.
People with allergies and atopy are predisposed to developing lichen simplex chronicus. Continuous itching can eventually lead to thickened areas of skin. Antihistamines and steroids can be used to reduce the itch of lichen simplex chronicus. Once the itch is controlled, lichen simplex chronicus can remit.
Clinical presentation : Herald patch, papules, and scales i. Principal age group s : Any age, but most commonly seen in people between 10 and 35 years old. Course : Rash can persist between three and five months. The herald patch is the hallmark of pityriasis rosea and appears on the trunk. The herald patch is a solitary, oval, flesh- or salmon-colored lesion with scaling at the border.
One or two weeks after the appearance of the herald patch on the trunk, numerous smaller papulosquamous lesions fan out along ribs in a Christmas-tree pattern. Except for skin manifestations, there are no other symptoms of pityriasis rosea.
In about a quarter of people, this condition is itchy. However, topical steroids and antihistamines may help reduce itching. Clinical presentation : Papules or plaques with silvery scales i. Principal age group s : Mostly adults, but can occur at any age.
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. It is contagious, and the bumps can be filled with pus of varying colors. Psoriasis is a condition with no cure, but flareups can be minimized and symptoms can be treated. There are many types of psoriasis, and it often presents as raised, red, rough skin with a silver scale tip. Psoriasis is linked to an immune system disorder that encourages the over-production of skin cell growth. This rash is triggered by the immune system.
It is a common inflammatory condition with symptoms occurring on the skin and in the mouth. Red or purple bumps and lesions are common in lichen planus, and it can be triggered by stress, infections, and allergies. There is also a genetic component to this harmless but annoying rash. The fungi that causes jock itch is usually harmless, but can become an infestation if allowed to thrive. Men and boys most often have jock itch, and it presents as redness, changing skin tone, and blisters.
Vitiligo is a harmless disorder that causes patches of skin to lose melanin. Anyone can have vitiligo, but it is most noticeable in those with darker skin.
Although technically not a rash, this chronic condition has no cure but symptom treatments often overlap with rash treatment options. Spectrum Dermatology has the skill, techniques, and products to treat a wide array of rashes and related conditions. Get fast relief and a proper diagnosis by calling one of our four Phoenix and Scottsdale locations at Some rashes are mild, but immediate medical help is required if the rash is: Blistering Has persisted for two days or more Remains the same or gets worse despite over the counter medications Is oozing or inflamed Painful Spreading.
Common Rashes. Poison Ivy, Oak, and Sumac. Contact Dermatitis. Heat Rash. Lichen planus.
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