When you observe the emergence of a red patch, or small blisters and bumps on your skin, the natural assumption is that you have a rash. However, the term “rash” can encompass a wide range of skin conditions, including viral, fungal, and bacterial infections. Although most rashes are harmless, consulting with a board-certified dermatologist is crucial to diagnose the underlying cause and establish an appropriate treatment plan. Feinstein Dermatology provides comprehensive rash care to help you achieve full skin health in Delray Beach, FL.

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What Is a Rash?

A rash can be any type of inflamed, irritated, or swollen skin. Rashes may be localized, or they can spread throughout the body, and they typically present with red blisters, bumps, or scales. Some of the most common types of rashes include:

  • Atopic dermatitis, or eczema
  • Bacterial infections
  • Fungal infections, including yeast infections and ringworm
  • Viral infections, including shingles
  • Chronic skin conditions like psoriasis or acne

In some cases, a rash may also be symptomatic of a deeper illness, like Lyme Disease. Seeking diagnosis by a board-certified doctor is essential to finding the highest level of care and experience.

What Causes a Rash?

If you’re experiencing a rash, it’s essential to understand that rashes can have various underlying causes. For instance:

  • Infections, whether viral (measles, herpes, chicken pox), bacterial (scarlet fever), or fungal (athlete’s foot, jock itch), can trigger rash symptoms.
  • Allergies to bug bites, medications, foods, or irritating cosmetic products may cause your skin to flare up with rash symptoms.
  • Prolonged exposure to water or other liquids, such as in the case of diaper rash in babies, can lead to rash development.
  • Contact with plants like poison ivy and poison oak can also result in rashes.

Treatment Options

Our board-certified dermatologist can assess your rash, determine its nature and its cause, and recommend a treatment plan that will restore you to total comfort. Depending on the type of rash you have, your treatment may involve:

  • Allergy medications
  • Anti-inflammatory medications
  • Topical or oral steroids
  • Topical immunomodulators

Most skin rashes go away with treatment, though chronic conditions like eczema will require lifelong management.

Meet Our Board-Certified Dermatology Team

At Feinstein Dermatology in Delray Beach, FL, our commitment is patient satisfaction and loyalty. We are defining the new standard in customer experience and outcomes, striving to lead by example for others to follow. With a dedicated patient base of over thirty-five thousand (35,000) individuals who have entrusted us with their dermatological and cosmetic needs, we have earned our reputation as a leading provider in the field.

Our team comprises dedicated professionals, including board-certified dermatologists, a board-certified Mohs surgeon, and a board-certified plastic and reconstructive surgeon. We invite you to experience the exceptional care and dedication that defines Feinstein Dermatology.


Meet Your Providers


Brian Feinstein, D.O., FAAD

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Thomas Cahn, M.D., FAAD

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Lawrence Enisman, M.D., FACS

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Meredith Hancock, M.D., FAAD

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Robb Wilentz, M.D.

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Nathalie Allison-Fecteau, PA-C

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Nicole Fernandez

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Rash FAQs

Skin rash is a general term referring to a broad outbreak of irritated, inflamed, or swollen skin. Rashes can present in a variety of ways, depending on the cause. Rashes can be localized or spread throughout the entire body – they range in severity from completely harmless to highly contagious. If you detect a rash on your skin or a loved one’s skin, it is important to schedule a consultation with a board certified dermatologist as soon as possible to determine the cause, severity, and treatment.

Rashes can vary significantly in appearance depending on the underlying cause, but they often present as changes in the skin’s color, texture, or appearance. Common characteristics of rashes include:

  1. Redness: Rashes may cause the affected skin to appear red, inflamed, or irritated.
  2. Raised bumps or lesions: Some rashes may manifest as raised bumps, welts, or lesions on the skin’s surface. These bumps may be small or large and can vary in shape and distribution.
  3. Itching or irritation: Many rashes are accompanied by itching, burning, or discomfort in the affected area. Scratching can further aggravate the rash and may lead to complications such as infection.
  4. Scaling or flaking: Certain rashes, such as eczema or psoriasis, may cause the skin to become dry, scaly, or flaky. This can result in patches of rough, textured skin.
  5. Blistering: Some rashes, such as those caused by allergic reactions or infections like herpes or shingles, may produce fluid-filled blisters or vesicles on the skin’s surface.
  6. Swelling: Inflammatory rashes may cause localized swelling or edema in the affected area, leading to puffiness or enlargement of the skin.
  7. Pattern or distribution: The appearance of the rash may follow a specific pattern or distribution on the body, depending on the underlying cause. For example, some rashes may be confined to certain areas, while others may be widespread or symmetrical.

Whether a rash is contagious depends on its underlying cause. Some rashes are indeed contagious, while others are not. Here are some general guidelines:

  1. Contagious Rashes: Rashes caused by infectious agents such as viruses, bacteria, or fungi are often contagious. Examples include chickenpox, measles, impetigo, ringworm, and scabies. These rashes can spread from person to person through direct contact with the affected skin, respiratory droplets, or contaminated objects.
  2. Non-Contagious Rashes: Rashes triggered by non-infectious factors like allergies, irritants, autoimmune conditions, or genetic predispositions are typically not contagious. Conditions like eczema, psoriasis, contact dermatitis, and hives fall into this category. While these rashes may cause discomfort or distress to the affected individual, they do not spread to others through casual contact.

It’s essential to identify the underlying cause of a rash to determine its contagiousness accurately. If you suspect that you or someone else has a contagious rash, it’s advisable to take precautions to prevent its spread, such as avoiding close contact with others, practicing good hygiene, and seeking medical advice for proper diagnosis and treatment.

The duration for a rash to resolve varies depending on its cause, severity, and individual factors. Here are some general guidelines:

  1. Acute Rashes: Acute rashes caused by conditions like contact dermatitis, allergic reactions, or viral infections typically last for a few days to a few weeks. With appropriate treatment and avoidance of triggers, these rashes often resolve relatively quickly.
  2. Chronic Rashes: Chronic or long-lasting rashes associated with conditions such as eczema, psoriasis, or autoimmune disorders may persist for weeks, months, or even years. These conditions often require ongoing management and treatment to control symptoms and prevent flare-ups.
  3. Self-Limiting Rashes: Some rashes, such as those caused by viral infections like chickenpox or measles, follow a specific course and resolve on their own once the infection clears. In these cases, the rash typically fades as the body’s immune system fights off the underlying cause.
  4. Persistent Rashes: Rashes that persist or worsen despite home care measures may indicate an underlying medical condition that requires evaluation by a healthcare professional. If a rash does not improve or if it is accompanied by other concerning symptoms such as fever, pain, or difficulty breathing, it’s essential to seek medical attention promptly.

Overall, if you have a rash that is causing significant discomfort, lasting longer than expected, or associated with other concerning symptoms, it’s advisable to consult a healthcare provider for proper evaluation and management.

Feel Good About Your Skin

At Feinstein Dermatology & Cosmetic Surgery, we’re more than just skincare experts in the heart of the Palm Beaches – we’re your partners in feeling good about your skin, for life. Our commitment is to help you embrace your skin’s natural beauty and maintain a healthy, confident glow. We understand that your skin reflects your well-being, and we’re dedicated to making you feel comfortable in your own skin. Don’t wait to take that first step towards your skincare journey – schedule a consultation at our office in Delray Beach, FL today at (561) 498-4407, and let us be the dermatologists who are there for you, every step of the way.