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.
Associate degree in nursing. Earning an associate degree in nursing (ADN) can take as little as 18-24 months through a professional nursing program. After taking the NCLEX-RN exam, you can begin working as an RN.