Fosamax , also known as alendronate, is a bisphosphonate used to prevent and treat osteoporosis (weak bone) in menopausal women and adult men. It works by increasing bone density to increase bone strength and prevent breaks or fractures.
Fosamax is available as an oral tablet and a liquid solution. The tablet is normally taken on an empty stomach once a day, preferably in the morning before breakfast. The solution is taken only once a week in the morning. Take the medicine with a full glass of plain water.
Common side effects of Fosamax include headache, upset stomach, stomach pain, gas, bloating, nausea, vomiting, diarrhea and constipation.
Fosamax is sometimes used to treat Pagets disease of bone and other conditions, as prescribed by your doctor.