How to avoid sandworm and other skin infections in the sand

Beaches, especially those on the coast of São Paulo, are popular destinations for leisure and rest. However, sand can harbor microorganisms that cause skin infections, such as cutaneous larva migrans, popularly known as geographic bug. Understanding what these conditions are and how they occur is essential for adopting preventive measures. This article offers general information about the geographic bug and other skin problems associated with sand, with a focus on prevention, without replacing the need for a medical consultation.

What is sand bug and other skin problems?

The term “sand skin problems” refers to a set of dermatological conditions that can be acquired through direct contact with contaminated sand. The best known is the geographic bug.

Cutaneous larva migrans, or geographic bug, is an infection caused by the penetration of intestinal parasite larvae from dogs and cats into human skin. These animals, when infected, eliminate the worm eggs in their feces. In hot, humid sand, the eggs hatch and release larvae that can penetrate the skin of people who come into contact with the contaminated soil. The condition’s popular name derives from the appearance of the lesions, which resemble a relief map.

Other common conditions include mycoses, which are fungal infections favored by the hot and humid environment of sand, and tungiasis, known as chigger disease, caused by the penetration of female fleas. Tunga penetrating and before.

Most common causes and symptoms

The identification of any changes in the skin must be carried out by a healthcare professional. The following information is general in nature and should not be used for self-diagnosis.

The causes and manifestations vary depending on the condition:

• Geographical bug (Cutaneous Larva Migrans):
• Cause: Contact of unprotected skin with sand contaminated by dog ​​and cat feces containing hookworm larvae.
• Common symptoms: Linear, elevated and sinuous paths on the skin, reddish in color, that advance slowly. The main manifestation is intense itching, which can worsen at night.
• Superficial Mycoses:
• Cause: Contact with fungi present in sand, towels or damp surfaces.
• Common symptoms: Reddish or whitish patches on the skin, peeling, itching and, sometimes, small blisters. The most affected areas tend to be the feet, groin and other skin folds.
• Tungiasis (Tungiasis):
• Cause: Flea penetration Tunga penetrating on the skin, usually on the feet.
• Common symptoms: Lesion characterized by a central dark spot (the body of the flea) with a whitish ring around it. There may be pain, itching and inflammation at the site.

General prevention measures

Prevention is the most effective approach to avoiding these skin infections. Adopting simple habits while at the beach can significantly reduce the risk of contamination.

Some general measures include:

• Avoid sitting or lying directly on the sand. Always use sarongs, thick towels, or beach chairs to create a physical barrier.
• Wear shoes, such as flip-flops or sandals, to walk on the sand, especially in transition areas between the vegetation and the sand strip.
• Avoid beaches where the presence of domestic animals is permitted and not supervised, as the risk of contamination by feces is greater.
• Do not stay in areas of sand that are visibly dirty or close to places where animals usually defecate.
• Take a freshwater shower when leaving the beach to remove sand and salt from your body.
• Maintain good hygiene, drying all parts of the body well, paying special attention to the spaces between the toes and other folds of the skin.

This article is strictly informative and does not, under any circumstances, replace the assessment of a healthcare professional. If you experience any symptoms or changes in your skin after visiting the beach or other sandy environments, see a doctor or dermatologist for an accurate diagnosis and appropriate guidance.