1 Infants: Lethargy, weakness, poor feeding, constipation, poor head control, poor gag and sucking reflex.  Children and adults: Double vision, blurred vision, drooping eyelids, slurred speech, difficulty swallowing, dry mouth and muscle weakness.
After completing an ADN degree one can take the NCLEX-RN licensure exam in order to become a registered nurse. An associate's degree in nursing can take two years and at times also three years to compete.
The length of time it takes to become a nurse depends on what nursing degree you will study and the course load you want to take. It generally takes 1 to 2 years to become an LPN without an academic degree.An Associateâs Degree in Nursing generally takes 2 to 3 years. A Bachelorâs degree takes between 4 to 5 years.There are RN to BSN Programs and they generally take 2 to 3 years to complete. There are also Fast Track Nursing Programs, which are available for students with a Bachelorâs degree who want to become a nurse, and they take anywhere from 12 to 18 months.he length of time it takes to become a nurse depends on what nursing degree you will study and the course load you want to take. It generally takes 1 to 2 years to become an LPN without an academic degree.