Fleas

Flea bites are skin lesions caused by these small insects that feed on blood and usually reach humans through pets or infested environments. Although they are generally mild, they can cause significant discomfort.

How they present: small red welts, often clustered or in a line, accompanied by intense itching, especially on the legs and ankles.

When to seek care? If the itching is persistent, the lesions become infected from scratching or a more extensive skin reaction appears.

Who provides guidance? The general practitioner can handle common cases and the dermatologist can evaluate more marked or complicated skin reactions. Keeping spaces clean and caring for pets helps prevent new bites; when in doubt, a consultation clears up concerns.