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Drug Interactions With Alendronate

Alendronate can potentially interact with a number of other medicines (see Drug Interactions With Alendronate).

What If I Take an Overdose?

People who take too much alendronate may have overdose symptoms that could include:
  • Upset stomach
  • Heartburn or indigestion
  • Ulcers
  • Low levels of calcium or phosphate in the blood.
If you happen to overdose, seek immediate medical attention.
(Click Fosamax Overdose for more information.)

How Should It Be Stored?

The tablets should be stored at room temperature, away from moisture and heat. Keep alendronate and all other medications out of the reach of children.

What Should I Do If I Miss a Dose?

If you forget to take your weekly dose of alendronate, take your dose on the first morning that you remember, and continue with your regular dosing schedule (do not change the day you normally take alendronate). However, do not take two doses in one day.
If you take it daily and you forget a dose, simply skip the missed dose. Do not take a double dose.

Generic Alendronate

At this time, alendronate is available in generic form (see Generic Fosamax).

Strengths of Alendronate

Alendronate tablets are available in the following strengths:
  • Alendronate 5 mg (taken daily)
  • Alendronate 10 mg (taken daily)
  • Alendronate 40 mg (taken once daily for Paget's disease)
  • Alendronate 35 mg (taken weekly)
  • Alendronate 70 mg (taken weekly).
Liquid alendronate is also available -- Alendronate 70 mg oral solution (taken weekly). Each bottle contains one dose (70 mg) of alendronate in a raspberry-flavored liquid. Weekly alendronate also comes in tablets that contain a week's worth of vitamin D (see Fosamax Plus D).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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