Safe Fosamax Use: Clear, Practical Tips for Taking Alendronate
One small weekly pill can cut your fracture risk — but taken the wrong way it can irritate your throat or cause other issues. Here are plain, useful rules to follow so Fosamax (alendronate) does its job with the least fuss.
When and how to take Fosamax
Take Fosamax first thing in the morning on an empty stomach. Use a full 8-ounce (200–250 ml) glass of plain water only. Don’t lie down for at least 30 minutes after swallowing the tablet and until after you’ve eaten your first food of the day. Staying upright keeps the pill moving down and reduces esophageal irritation.
If you take the weekly dose, pick a day you’ll remember — many people link it to a morning routine. If you miss a weekly dose and remember the same day the next week, take one dose that day and continue with the usual schedule. If you miss and it’s almost time for the next dose, skip the missed dose. Don’t double up.
Wait at least 30–60 minutes after taking Fosamax before you have coffee, juice, or breakfast. Calcium supplements, antacids with magnesium or aluminum, and some mineral drinks block absorption. If you need calcium that morning, delay Fosamax until after breakfast or take calcium later in the day per your doctor’s plan.
Watchouts: side effects, dental care, and monitoring
The most common problem is irritation or pain in the throat and esophagus. If you have trouble swallowing, new chest pain, or severe heartburn after taking Fosamax, stop and call your doctor. Don’t continue if you suspect the tablet got stuck in your throat.
Fosamax can rarely cause jaw problems (osteonecrosis) after dental surgery or extractions. If you need a tooth out or other major dental work, tell your dentist you take Fosamax. Your dentist and doctor can decide whether to delay treatment or take extra precautions.
Bone, muscle, or joint pain can occur. If you get sudden severe pain in your hip, groin, or thigh, seek medical attention — it can signal an unusual femur fracture. Also, Fosamax is not recommended if you have low blood calcium; check calcium and vitamin D levels before starting.
Kidney function matters. If you have moderate to severe kidney disease, your doctor will decide if Fosamax is safe for you and may choose another medicine.
Most people take Fosamax for 3–5 years, then review treatment. For some, a 'drug holiday' may be considered depending on fracture risk. Don’t stop or change the plan without talking to your prescriber.
Bottom line: take Fosamax on an empty stomach with plain water, stay upright for at least 30 minutes, avoid calcium or antacids at the same time, and tell your dentist you’re on it. If you notice serious pain or trouble swallowing, contact your doctor right away.