Red Bumps on Skin: Causes and Treatments - Dermatology

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Red rash on the body?


Hello Doctor: I work as a caregiver in a nursing home, and recently I have noticed many red bumps on my body that resemble acne, but they are not pus-filled and are extremely itchy.
I have a large patch on my chest and abdomen, and a few on my back as well.
I have also heard that some of my colleagues are experiencing similar symptoms.
I am unsure what this condition might be, and I would appreciate your guidance.
Thank you.

yui, 40~49 year old female. Ask Date: 2000/11/10

Dr. Zheng Lizhen reply Dermatology


In nursing homes or assisted living facilities, if such situations arise, one should consider the possibility of scabies being transmitted among individuals.
Scabies is caused by a parasite known as the Sarcoptes scabiei, which burrows into the skin and feeds on skin flakes.
Therefore, individuals affected by scabies must develop good hygiene habits, including daily bathing.
Clothing should be changed and washed daily, and high-temperature disinfection or sun exposure should be used to kill the mites.
Bed linens, pillowcases, and towels should also be treated.
If these items cannot be processed, at least sealing them in a plastic bag for about a week can effectively starve the mites.
Additionally, all individuals living together should apply treatment simultaneously.
Caregivers should wash their hands immediately after attending to a patient to prevent transmitting scabies to the next patient.
It is especially important to treat those showing symptoms properly to avoid becoming a source of active infection.

Reply Date: 2000/11/10

More Info


The appearance of red bumps on the skin, especially when they are itchy and resemble acne but do not ooze, can be indicative of several dermatological conditions. Given your description of the symptoms and the fact that your colleagues are experiencing similar issues, it is essential to consider a few potential causes.

One common condition that could lead to the development of red, itchy bumps is contact dermatitis. This occurs when the skin comes into contact with an irritant or allergen, leading to an inflammatory response. In a healthcare setting, exposure to various substances such as soaps, lotions, or even certain fabrics can trigger this reaction. If you and your colleagues have been using new products or have had increased exposure to certain materials, this could explain the outbreak.

Another possibility is folliculitis, which is the inflammation of hair follicles. This condition can occur due to bacterial or fungal infections, or even from irritation caused by shaving or friction from clothing. Folliculitis typically presents as small red bumps that can be itchy and may resemble acne.
Scabies is another condition to consider, especially in a communal living environment like a nursing home. Scabies is caused by a mite that burrows into the skin, leading to intense itching and a rash that often appears as small red bumps. The rash usually worsens at night, and it can spread easily from person to person through close contact.

Hives (urticaria) could also be a potential cause. Hives are raised, itchy welts that can appear suddenly and may be triggered by an allergic reaction to food, medication, or environmental factors. They can vary in size and can appear anywhere on the body.

To address your symptoms, the first step is to avoid scratching the affected areas, as this can lead to secondary infections. Over-the-counter antihistamines, such as diphenhydramine (Benadryl) or cetirizine (Zyrtec), can help alleviate itching. Topical corticosteroids may also be beneficial in reducing inflammation and itching. If the condition persists or worsens, it is crucial to seek medical attention from a dermatologist. They can provide a proper diagnosis and may prescribe stronger medications or recommend specific treatments based on the underlying cause.

In addition to medical treatment, consider the following preventive measures:
1. Identify and Avoid Triggers: Keep a diary of your activities, products used, and any new exposures to help identify potential irritants or allergens.


2. Maintain Good Hygiene: Regularly wash your skin with mild soap and avoid using harsh scrubs or exfoliants that could irritate the skin further.

3. Wear Loose Clothing: Tight clothing can exacerbate irritation, so opt for loose-fitting garments made from breathable fabrics.

4. Keep the Skin Moisturized: Use fragrance-free moisturizers to help maintain the skin barrier and prevent dryness, which can worsen itching.

5. Consult with Colleagues: Since others are experiencing similar symptoms, it may be beneficial to discuss this with your workplace health and safety officer to determine if there is a common environmental factor contributing to the issue.

In conclusion, while the exact cause of your red bumps can only be determined through a clinical examination, understanding the potential conditions and taking appropriate measures can help manage your symptoms effectively. Always prioritize consulting a healthcare professional for personalized advice and treatment.

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