Side effects of Fosamax include abdominal pain, gas, constipation, nausea and diarrhea, according to WebMD. Serious side effects are uncommon and include acute or increased pain in the joints, bone or muscles; new or abnormal pain in the hips, thighs or groin; swelling of the joints, hands, feet or ankles; vomit similar to coffee grounds; and jaw pain. Serious allergic reactions include rash, dizziness, difficult breathing, and swelling of the tongue, throat and face.
Fosamax is used in the treatment and prevention of osteoporosis brought about by menopause in women. It is also used to treat particular types of osteoporosis instigated by the use of steroids, states Drugs.com. The medication works by slowing down the process of bone loss to preserve of bone strength and prevent fractures, as stated by WebMD.
Patients should use Fosamax only according to a doctor’s or pharmacist’s instruction. After taking Fosamax on an empty stomach with a full glass of water, patients should remain in an upright position for about 30 minutes, and only lie down after the first meal of the day, explains WebMD. Patients should not take this medication at bedtime or just before getting up from bed, as doing so can prevent proper absorption, leading to unwanted side effects.