Fosamax (Alendronate)


(Brand Option)

Prescription RequiredPrescription Required
FormulationFormulation: Tablet
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$101.00 ($25.25 per tablet)

$195.00 ($16.25 per tablet)


(Generic Alternative)

Prescription RequiredPrescription Required
FormulationFormulation: Tablet
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$94.00 ($0.94 per tablet)

$45.00 ($3.75 per tablet)

$44.00 ($3.67 per tablet)

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Fosamax is used to prevent and treat osteoporosis in adults. This means it can be used for both preventing and treating bone loss.

Osteoporosis causes bones to become thinner and break more easily. This can lead to serious fractures, especially in the hip, spine, and wrist.

Your risk of osteoporosis increases with age, after menopause, and if you take long-term corticosteroid medications. These are all factors that can weaken your bones.

Fosamax works by slowing bone loss. This helps to maintain strong bones and reduce the risk of broken bones (fractures).

Fosamax belongs to a class of drugs called bisphosphonates. This is a group of medications that work by slowing down the rate at which your body breaks down bone tissue.


  • Take Fosamax once weekly, on the same day each week. Choose a day that works with your schedule and stick to it. 
  • Take it first thing in the morning, on an empty stomach, after getting up for the day, before any food, drink, or other medications. 
  • Take Fosamax with a full glass of plain water only. 
  • Swallow the tablet whole. 
  • Stay fully upright for at least 30 minutes after taking it. This includes sitting, standing, or walking. 
  • Wait at least 30 minutes (ideally 1-2 hours) before eating, drinking anything but plain water, or taking other medications. This includes calcium, iron, vitamins, antacids, coffee, tea, soda, mineral water, and calcium-enriched juices. 
  • Take Fosamax regularly for maximum benefit. Mark your calendar or set a reminder to help you remember. 
  • Talk to your healthcare provider about the risks and benefits of long-term use of Fosamax. 


  • Don't chew or suck on the medication. 
  • Don't lie down until you've eaten your first meal of the day. 


Common side effects of Fosamax may include:

  • Heartburn
  • Upset stomach
  • Stomach pain
  • Nausea
  • Diarrhea
  • Constipation
  • Bone, muscle, or joint pain
  • Bloating
  • Gas
  • Headache

Serious side effects of Fosamax may include:

  • Stomach or esophagus ulcers
  • Severe joint or muscle pain
  • Severe bone pain
  • Jaw osteonecrosis (death of bone tissue in the jaw)
  • Severe allergic reaction
  • Low blood calcium levels
  • Femur bone fractures
  • Swallowing problems

This is not an exhaustive list, and other side effects may occur. If you experience any unusual or severe side effects while taking  Fosamax,  contact your healthcare provider for medical advice.

Before taking  Fosamax, it is important to be aware of certain warnings and precautions:

Inform your healthcare provider about allergies: Disclose any allergies to Fosamax, bisphosphonates, or other medications.

Discuss medical history: Inform your healthcare provider about:

  • Esophageal problems (stricture, achalasia)
  • Difficulty swallowing
  • Inability to stay upright for 30 minutes
  • Low calcium levels
  • Kidney problems
  • Stomach or intestinal issues (ulcers)

Be aware of potential jaw problems associated with Fosamax. Dental checkups are crucial. Inform your dentist about Fosamax use.

Disclose Fosamax to your healthcare provider and dentist before any surgery, especially dental procedures. They may advise pausing Fosamax temporarily.

Fosamax is not recommended for children due to severe side effects.

Discuss pregnancy plans with your healthcare provider. Fosamax can stay in your body for years, and pregnancy is not advised during use.

Consult your healthcare provider about the potential risks and benefits of breastfeeding while taking Fosamax.

Brand Name:


Generic name:

Alendronate, Alendronate

Other Names:

Fosamax, Alendronic Acid, Alendronate, Osteofos

Strength(s): 10mg, 35mg, 70mg
Quantities Available: 4, 12, 100


Important Information
The information above for Fosamax (Alendronate) was provided to by third parties. In no way should this information substitute for the advice of a physician. Consult a doctor or qualified health care professional if you have any medical concerns. widget logo
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