If you have any questions or concerns about Fosamax or osteoporosis, talk to your doctor, pharmacist, or other health care provider. Take dose of Fosamax every week on your chosen day after you get up for the day and before taking your first food, drink, or other medicine Take Fosamax while you are sitting or standing. Priscilla Aug 3, 2009 More have sufferred symptoms similiar to many of you. Alendronate sodium is chemically described as 4-amino-1-hydroxybutylidene bisphosphonic acid monosodium salt trihydrate. Osteonecrosis of the jaw symptoms can cause swelling or infection of the gums, loose teeth or tooth aches, pain in the jaw and exposed areas of bone inside the mouth. Some people using medicines similar to Fosamax have developed bone loss in the jaw, also called osteonecrosis of fosamax doua zi the jaw. Bone loss is particularly rapid in postmenopausal women younger than age 60.