Pediatric physical or occupational therapists provide education and therapy for children and their families. These therapists work with children in the age range from birth to eighteen years old; they treat a variety of conditions that may offer special challenges for children’s physical and mental development. Pediatric therapists work with children who have been diagnosed with a variety of conditions, ranging from autism to organ transplants. They also treat children who have not been diagnosed but who may need help the meeting developmental milestones.