Wash the flea bite area with warm soap and water. Apply an antiseptic, and place an ice pack on the bite area.
Apply medicated creams or ointments to relieve the pain itching associated with flea bites. Take an antihistamine to reduce flea bite swelling and itching. Rub an Aloe vera plant over the flea bite area as a supplemental treatment.
Scratching makes flea bites itch more and can lead to infection.