Fosamax Basics


Fosamax is the brand name of alendronate, a prescription drug used to treat or prevent osteoporosis in women who have attained menopause.
It can also increase bone mass in men with osteoporosis; treat osteoporosis in both men and women who are taking corticosteroid medications; and treat some men and women who have Paget’s disease.
This medication works by slowing osteoporosis. This effect helps maintain strong bones and reduce the risk of fractures. Alendronate belongs to a category of medicine referred to as bisphosphonates.
Fosamax is available both as tablets and as oral solution.


Fosamax is not for use in children or people with kidney problems.
Fosamax additionally been linked to joint and muscle pain; irregular heartbeat; and inflammation and ulcers of the gullet.
Tell your doctor if you plan to have dental surgery or you have removed a tooth, before taking Fosamax. And also if you experience any of the following:
Problems with swallowing
Stomach issues
Low blood calcium
Kidney issues

Malabsorption syndrome, which causes issues with taking in minerals in your stomach or intestines
Fosamax ought to be used during gestation provided that the potential benefit justifies the potential risk to the mother and foetus. It is also unknown if Fosamax passes into breast milk while breastfeeding. Because many drugs pass in breast milk, see your doctor before taking Fosamax while breastfeeding.
Take this medication orally once a day, after getting up from bed and before taking your first food, beverage, or other medication. Take it with 180 – 240 ml of plain ordinary water (a full glass). Swallow the tablet whole. Do not crush or suck on it. Then stay fully upright (sitting, standing, or walking) for at least half hour and do not lie down until after your first food of the day. Alendronate works provided it is taken on an empty stomach. Wait at least half hour (preferably 1 to 2 hours) after taking the drug before you eat or drink anything other than plain water.
Do not take this medication at bedtime or before rising for the day. Your system may not absorb it and you may have side effects.
Iron supplements, vitamins, alkalisers, coffee, tea, soda, mineral water, calcium-enriched juices, and food can decrease the absorption of alendronate. Do not take these for at least half-hour (preferably 1 to 2 hours) after taking alendronate.
Take this medication regularly to get the most benefit from it.

Fosamax Side Effects

Abdominal pain, constipation, bowel looseness, flatulence, or nausea may occur.

Serious side effects of fosamax include;
Osteonecrosis (jaw pain)
Increased or severe bone/joint/muscle pain
New or unusual hip/ femur /groin pain
Swelling of joints/hands/ankles/feet
Black stools
Vomit that looks like coffee grounds.
Irritation and ulcers of the esophagus.
Chest pain
Pain or difficulty when swallowing.
If you notice any of these unlikely but very serious side effects, stop taking alendronate and visit your doctor immediately.

Other fosamax problems: a very serious allergic reaction to this drug is rare. However, get medical help quickly if you notice any of these symptoms: roseola, itching/swelling (especially of the face/tongue/throat), lightheadedness, laborious respiration.

Fosamax may cause hypocalcemia. Since Fosamax can cause low calcium levels, if you have hypocalcemia before you start taking Fosamax, it may get worse with Fosamax and must be treated first before you take Fosamax. Symptoms of hypocalcemia (low blood calcium) include, spasms; twitches in your muscles; and numbness or tingling in your dactyls, or around your mouth.

Fosamax can cause fractures in your femur. Symptoms of a fracture may include new or unusual pain in your hip, groin, or thigh. Therefore, talk to your doctor immediately you notice symptom of pain in your femur.

Fosamax Dosage

Comes as a fosamax 10 mg daily tablet/oral solution or fosamax 70 mg weekly tablet or oral solution.
And whether you take Fosamax once daily or once weekly, the medicine will only work if it is taken on an empty stomach. Therefore, it’s best to take it before drinking, eating or taking other medicine for the day. Fosamax should be taken while sitting or standing with a full glass of plain water only. Fosamax is meant to be swallowed, not chewed or sucked on.
After you swallow a Fosamax tablet, you can sit, stand or walk, and do normal activities. However, it’s important to wait at least 30 minutes before doing the following:
Laying down
Eating or drinking, except for plain water
Taking other drugs, including alkalizers, calcium, and other vitamins supplements


If you or someone you know overdosed on Fosamax, call your doctor. Do not try to vomit. Symptoms of overdose may include: severe stomach pain, severe heartburn, chest pain, muscle weakness/cramps, mood changes.

Missed Dose

If you miss a dose of Fosamax, do not take it later in the day. Instead, wait until the next day to take your dose, and then return to your normal schedule. Any missed dose, is gone.


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