Flea and tick infestations in Alexandria homes can pose several health risks to residents and pets. Flea bites can cause allergic reactions, skin irritation, and transmit diseases such as cat scratch fever and murine typhus. Ticks are known vectors for Lyme disease, Rocky Mountain spotted fever, and ehrlichiosis, which can lead to serious health complications if left untreated. Prompt removal of fleas and ticks and implementing preventive measures are crucial for protecting your family and pets.