5 Common Skin Infections And How To Prevent Them Safely

Our skin, the body’s largest organ, acts as a vital protective barrier against the outside world. Yet, it isn’t invincible. Skin infections occur when fungi, viruses, or bacteria¹ penetrate this barrier, leading to various symptoms ranging from mild irritation to severe discomfort. These infections can manifest differently based on the type of organism involved, and understanding the signs can help you take timely action.

In a tropical climate like Singapore’s, skin infections are relatively common due to heat and humidity², which provide a breeding ground for bacteria and fungi. Let’s explore some of the most prevalent skin infections in Singapore and practical ways to protect yourself and your loved ones.

1. Impetigo

Impetigo is a bacterial infection often seen in children³ but can affect adults as well. It is caused by Staphylococcus aureus or Streptococcus pyogenes bacteria and typically presents as red sores that burst and form a honey-coloured crust. The infection is highly contagious and can spread through direct contact or shared personal items, such as towels.

Prevention tips:

Wash hands frequently, especially after touching your face.
Avoid sharing personal items like towels or razors.
Keep minor cuts or abrasions clean and covered to prevent bacterial entry.

2. Cellulitis

Cellulitis is another bacterial infection that affects the deeper layers of the skin. It often begins as a red, swollen area that feels warm and tender to the touch. Left untreated, it can spread rapidly and lead to complications⁴, including severe tissue damage.

Prevention tips:

Treat any skin injuries promptly to minimise the risk of infection.
Moisturise your skin to prevent dryness and cracking.
Consult a dermatology clinic promptly if you notice persistent redness, warmth and/or swelling.

3. Shingles (herpes zoster)

Shingles is caused by the varicella-zoster virus, the same virus that causes chickenpox⁵. Once you’ve had chickenpox, the virus remains dormant in your body and may reactivate later in life as shingles. This infection is characterised by painful, blistering rashes that usually appear on one side of the body.

Prevention tips:

Get vaccinated against shingles, especially if you’re over 50.
Maintain a healthy immune system with a balanced diet and regular exercise.
Avoid contact with individuals experiencing active shingles if you haven’t had chickenpox or the vaccine.

4. Ringworm (Tinea corporis)

Tinea corporis is a fungal skin infection that causes red, circular, scaly patches⁶ on the skin. Despite its name, ringworm isn’t caused by worms. It can appear on various parts of the body, such as the scalp, feet (athlete’s foot), or groin (jock itch). The infection thrives in moist, warm environments, making Singapore’s climate ideal for its spread.

Prevention tips:

Keep your skin clean and dry, especially in areas prone to sweating.
Wear breathable fabrics to reduce moisture build-up.
Use antifungal sprays or powders in your shoes to prevent fungal growth.

5. Warts

Warts are caused by the human papillomavirus (HPV)⁷ and appear as rough, skin-coloured bumps. While generally harmless, they can be unsightly and spread through direct contact or shared surfaces. The virus enters the skin through small cuts or abrasions, making prevention a priority.

Prevention tips:

Avoid walking barefoot in public areas like swimming pools or gym showers.
Refrain from picking at warts to prevent spreading the virus.
Strengthen your skin’s barrier with good hygiene practices and moisturisation.

General prevention strategies for skin infections

Skin infections, whether caused by bacteria, viruses, or fungi, often share common risk factors, such as poor hygiene, compromised immunity, or exposure to infected individuals. While specific prevention strategies depend on the type of infection, there are general practices that can significantly reduce your risk:

1. Maintain good hygiene: Regular bathing, handwashing, and using clean towels can keep bacteria and viruses at bay. Wipe down any shared equipment in public places such as gym equipment in contact with the skin before using them.

2. Avoid touching your face: This minimises the transfer of germs from your hands to your skin.

3. Protect your skin: Use sunscreen and insect repellent to avoid burns and bites that can compromise your skin barrier. Use moisturisers regularly to prevent dryness and strengthen your skin barrier.

4. Strengthen immunity: A balanced diet, adequate sleep, and regular exercise help your body fend off infections. Probiotics can also be helpful at improving the skin microbiome and reducing infections caused by bacteria and fungi.

For individuals experiencing recurring infections or persistent symptoms, consulting a dermatology clinic is crucial to receive tailored advice and treatment.

Why prevention matters

Skin infections are not just a cosmetic concern – they can lead to discomfort, scarring, and in severe cases, complications such as bloodstream infections. Early intervention and preventive care are essential for maintaining clear and healthy skin.

If you have underlying skin conditions or a history of skin cancer, staying vigilant about your skin health is even more critical. For instance, regular skin cancer screening in Singapore ensures early detection of abnormal skin growths, allowing for prompt treatment and preventing complications.

Conclusion

Your skin deserves care and attention, not just for aesthetic reasons but to ensure your overall well-being. Protecting yourself from common skin infections involves a mix of good hygiene, prompt treatment of minor injuries, and being mindful of environmental factors.

Angeline Yong Dermatology understands that every individual’s skin is unique, requiring a tailored approach to dermatological care. We start your treatment journey by listening to your concerns and understanding your condition as you experience it. From there, we recommend diagnostic and remedial options that cater specifically to your needs, ensuring that your skin health is prioritised with the utmost attention to detail.

References

Skin infections – what it is, signs/symptoms, treatment. National University Health System. (n.d.). https://www.nuhs.edu.sg/patient-care/find-a-condition/skin-infections

Skowron, K., Bauza-Kaszewska, J., Kraszewska, Z., Wiktorczyk-Kapischke, N., Grudlewska-Buda, K., Kwiecińska-Piróg, J., Wałecka-Zacharska, E., Radtke, L., & Gospodarek-Komkowska, E. (2021). Human Skin Microbiome: Impact of Intrinsic and Extrinsic Factors on Skin Microbiota. Microorganisms, 9(3), 543. https://doi.org/10.3390/microorganisms9030543

Impetigo. Mayo Clinic. (n.d.). https://www.mayoclinic.org/diseases-conditions/impetigo/symptoms-causes/syc-20352352

Cellulitis. Mayo Clinic. (n.d.-a). https://www.mayoclinic.org/diseases-conditions/cellulitis/symptoms-causes/syc-20370762

About shingles (herpes zoster). Centers for Disease Control and Prevention. (n.d.). https://www.cdc.gov/shingles/about/index.html

Ringworm. Mayo Clinic. (n.d.-c). https://www.mayoclinic.org/diseases-conditions/ringworm-body/symptoms-causes/syc-20353780

Viral warts. SingHealth. (n.d.-b). https://www.singhealth.com.sg/patient-care/conditions-treatments/viral-warts

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5 Common Skin Infections And How To Prevent Them Safely