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My mother is on Alendronate. How long should she take it?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

My mother, aged 63, was recently diagnosed with osteoporosis after her DEXA scan showed a T-score of -2.8 at the spine and -2.5 at the hip.

She has been prescribed Alendronate weekly and calcium with vitamin D supplements. My concerns are -

  1. How long does she need to continue this treatment before rechecking bone density?

  2. Are there any warning signs of side effects, like jaw pain or stomach issues, to watch out for?

  3. Should she avoid dental procedures while on bisphosphonates?

  4. Also, would regular walking and sunlight exposure alone help maintain bone strength, or are additional lifestyle changes needed to prevent further bone loss?

Kindly help.

Answered by Dr. Ali Torifi Nejad

Hello,

Welcome to icliniq.com.

I completely understand your concern regarding your mother’s recent diagnosis of osteoporosis.

It is natural to feel worried when faced with long-term treatment, but you have done the right thing by asking these essential questions. I will do my best to guide you clearly, safely, and with practical, evidence-based advice.

From your description, your 63-year-old mother has a DEXA (dual-energy x-ray absorptiometry) scan showing a T-score of -2.8 at the spine and -2.5 at the hip, confirming postmenopausal osteoporosis.

She has been prescribed weekly Alendronate and calcium with vitamin D supplements. This summary helps ensure I have correctly understood her situation before proceeding further.

Based on the information provided, her condition is consistent with age-related (postmenopausal) bone loss due to reduced estrogen levels, which affects bone remodeling and density.

The good news is that osteoporosis can be managed effectively with consistent treatment and lifestyle care.

Some possible contributing factors include -

  1. Reduced calcium or vitamin D intake.

  2. Hormonal changes after menopause.

  3. Sedentary lifestyle.

  4. Low sunlight exposure.

  5. Smoking.

  6. Excessive caffeine use.

  7. Occasionally, secondary causes such as thyroid or parathyroid disorders should also be ruled out.

To monitor progress, it is generally recommended to repeat a DEXA scan after about 18 to 24 months of continuous therapy. This timeframe allows enough time for meaningful bone density changes to be measured. However, follow-up may vary depending on her overall health and the doctor’s advice.

While on bisphosphonates such as Alendronate, certain precautions are important. She should take the medication with a full glass of water on an empty stomach and remain upright for at least 30 minutes to reduce stomach irritation.

If she experiences persistent heartburn, difficulty swallowing, abdominal pain, or new jaw pain, these are warning signs that require medical review.

Though infrequent, jaw-related side effects (osteonecrosis) can occur, usually after dental surgery or in people with poor oral hygiene, so it is advisable to inform her dentist about her medication before any dental procedure.

Routine cleaning or minor dental care is usually safe with proper communication between her dentist and physician.

Lifestyle changes play a major role in maintaining bone health.

  1. Regular weight-bearing activities such as brisk walking, light resistance exercises, and stair climbing are very beneficial.

  2. Daily sunlight exposure (10 to 20 minutes) helps natural vitamin D production. A diet rich in calcium (dairy, leafy greens, sesame, almonds) and adequate protein supports bone strength.

  3. Avoiding smoking, limiting alcohol and caffeine, and maintaining a healthy weight are all important in preventing further bone loss.

Please encourage her to stay consistent with her medications, maintain an active lifestyle, and report any new symptoms or digestive issues promptly.

If possible, share her recent laboratory results (such as calcium, vitamin D, or thyroid tests) or upload them here for a more personalized assessment.

Please keep me updated if she experiences any side effects or if you obtain follow-up reports. I will be glad to review them. Most patients achieve good bone stability with time and steady care, so please stay positive.

I hope this helps.

Thank you and take care.

Regards.

Answered by

Dr. Ali Torifi Nejad

Medically reviewed byiCliniq medical review team

Published At January 7, 2026
Reviewed AtJanuary 7, 2026

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Ali Torifi Nejad

Dr. Ali Torifi Nejad

Family Physician

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