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.
Earning these degrees enables students to get licensed to work as a registered nurse (RN) and work in hospitals, labs, nursing homes and other medical facilities. Students can earn Associate in Nursing degrees in 1 to 3 years. In most states, students need to take the NCLEX-RN to become RNs.Other than classroom lectures, students in this program learn by means of laboratory work and clinical experience. In order to enroll in an Associate Degree in Nursing program, it is recommended that students take science courses while at high school.: An associate's degree in nursing will usually take around 2-3 years to complete. Some online nursing schools offer students the opportunity to complete the degree in less than 2 years; these are known as accelerated programs.