how long should i take alendronic acid
1 If you are taking other medicines, wait at least 30 minutes after taking alendronic acid before taking your other medicines. 2  If you buy any medicines 'over-the-counter', check with a pharmacist that they are suitable for you to take.t is important that you take alendronic acid in the correct way, as otherwise it can cause irritation and damage as it is swallowed: 1  Take the tablet/medicine first thing after getting up in the morning. 2  Take it before you eat any food or have anything to drink other than water.