Prevents bone loss.
Our pharmacists’ bottom line
Fosamax (Alendronate) is a first-choice treatment for osteoporosis and is available as a generic, but taking it can be a hassle.
- Lowers your risk of bone fractures.
- Available as a generic medication.
- Available in two forms: one that can be taken once a day or another that's taken once a week.
- Comes as a regular tablet, an oral solution, or effervescent tablets meant to be dissolved in water.
- You need to take it the first thing in the morning with a full glass of water.
- Not good for people who can't sit or stand upright for at least 30 minutes in the morning.
- The use of bisphosphonates increases your risk of other types of fractures not related to osteoporosis (called atypical fractures).
- Can cause bad heartburn or stomach problems.
Save on your next Fosamax (Alendronate) prescription
Be sure you’re getting the lowest price for your medication, even if you have insurance.
- Cost of (1) of Fosamax (Alendronate) at pharmacies
- Sams Club
- $11.21New price:$3.14Save72%
- Kroger Pharmacy$28.87New price:$20.21Save30%
Side effects for Fosamax (Alendronate)
What to expect when you start Fosamax (Alendronate)Skip what to expect section. Skip to Risks & Warnings section.
- Take Fosamax (Alendronate) first thing in the morning with a full glass of water before eating or drinking anything else, including other medicines.
- The pill must be swallowed whole.
- Stay upright for at least 30 minutes after taking the medicine, and don't eat or drink anything except plain water during that time.
- Make sure you take enough calcium and vitamin D to allow this medicine to work.
- Can cause an upset stomach, joint pain, back pain, or heartburn.
- Stop taking the medicine and let your doctor know if swallowing becomes painful, if you have chest pain, or if any of the side effects worsen.
- If you have dental work coming up, get it done before starting this medicine since some people have experienced serious jaw problems while on Fosamax (Alendronate).
Risks and Warnings for Fosamax (Alendronate)Skip Risks and Warnings section. Skip to Tips section.
People on Fosamax (Alendronate) have reported irritation to the stomach and esophagus to the point of ulcers. It is very important to remain standing or sitting upright for at least 30 minutes after you take the medication to help stop this from happening, and to take this first thing in the morning when you wake up with a full glass of plain water. Talk to your doctor if this will be a problem for you. Also, talk to your doctor if you notice new pain while swallowing, or pain around the middle of your chest or abdomen while taking this medication.