PTH and Respiratory tract infection: AEs occurring at an incidence of 5% or above were as follows: elevated ALP (15.04%), hypercalcemia (10.03%), dizziness (8.18%), respiratory tract infection (7.92%), hypercholesterolemia (7.65%), hypertriglyceridemia (6.07%), arthralgia (5.54%), and back pain (5.28%) in the teriparatide group and hypercholesterolemia (8.76%), elevated parathyroid hormone (8.25%), hypertriglyceridemia (7.22%), and upper respiratory tract infection (6.19%) in the alendronate group (Table 2).