Patient with a history of Postmenopausal osteoporosis

Mrs Fatima is a 63 years old patient with a history of postmenopausal osteoporosis. Her physicians had already examined her case and ordered many laboratory tests and medical images. After evaluation, her physicians decided to prescribed her risedronate. Which of the following statements is correct regarding this medication

.a. Low doses has been associated with osteonecrosis of the jaw

b. It is associated with constipation

c. The patient can take the medication while remaining reclined

d. Risedronate is given IV every 6 months o e. It is associated with esophagitis