It is in a class of medications called bisphosphonates. It works by preventing bone breakdown and increasing bone density (thickness).
How it works
Take alendronate just after you get out of bed in the morning, before you eat or drink anything. Never take alendronate at bedtime or before you get out of bed. Swallow the tablet with a full glass of plain water. Never take it with tea, coffee, juice, milk, soda, or any other sparkling water. Swallow the tablet whole; do not spit, chew or crush them. After you take the drug, do not eat, drink, or take any other medications for at least 30 minutes. Do not lie down for at least 30 minutes. Sit or stand upright.
Common side effects
Nausea, stomach pain, constipation, diarrhea, gas, bloating, change in food taste, dizziness and swelling of joints, hands, or legs