Even if a single-dose or single-use vial appears to contain multiple doses or contains more medication than is needed for a single patient, that vial should not be used for more than one patient nor stored for future use on the same patient.
pediatrician. It depends on your child's day-to-day activity. Bathing is really necessary only to clean your child off when she gets dirty. That could range from several times in one day, if she makes mud pies or plays in a muddy stream, to once every three or four days, if she spends her time playing house and reading.
I have a 3.5 year old and 19 month old. They get a bath together every other day. My youngest has really dry skin, so it makes it worse to do it more often even when using baby oil and lotion daily. If you feel your children are dirty every day, then bathe every day. If you think they stay fairly clean, then doing it every other day is just fine. If you're really worried about how often, ask your pediatrician next time you have an appointment.