Tengo un abogado en una demanda por caída en mi anterior vivienda, hace 4 anos y no ha resuelto nada, puedo cambiar de abogado

Puedo cambiar de abogado en una slip and fall case, it has been 4 years and he still don't do nothing, feels like he doesn't want to help, cause i am in disability, i had surgery due to the fall, and want me to paid a doctor that it is expensive, ¿what should i do and do i need to pay anything if i change lawyer?