Unknown (Possible flea or bed bug bite)

Varies: Fleas in carpets/pet bedding; Bed bugs in mattress seams or crevices

Blood (Hematophagy)

Fleas jump and bite lower extremities; Bed bugs are nocturnal and bite in linear patterns or clusters during sleep

Risks include allergic reactions, secondary infection from scratching, and psychological distress; flea bites can occasionally transmit diseases like typhus