Actonel vs. Reclast
See how Actonel and Reclast compare on approved uses, dosing, side effects, and cost.
Key Takeaways
Actonel is a daily, weekly, or monthly pill, while Reclast is a once-yearly or once-every-two-year infusion given by a healthcare professional.
Both drugs treat and prevent postmenopausal osteoporosis, treat osteoporosis in men, and are used for glucocorticoid-induced osteoporosis and Paget's disease of bone.
Actonel's main risks involve esophageal irritation and strict dosing rules, while Reclast can cause short-term flu-like symptoms and requires kidney checks before each infusion.
Actonel vs. Reclast Drug Summary
Actonel
Actonel (risedronate) is an oral bisphosphonate used to treat and prevent osteoporosis in postmenopausal women, treat osteoporosis in men, manage glucocorticoid-induced osteoporosis, and treat Paget's disease of bone. It works by binding to bone and slowing the cells that break it down. Actonel comes in daily, weekly, and monthly tablet schedules, so patients can choose what fits their routine.
Reclast
Reclast (zoledronic acid) is an intravenous bisphosphonate used to treat and prevent osteoporosis in postmenopausal women, treat osteoporosis in men, manage glucocorticoid-induced osteoporosis, and treat Paget's disease of bone. Like Actonel, it slows the cells that break down bone. Instead of daily pills, it is given as a single infusion once a year, or once every two years for prevention, by a healthcare professional.
Actonel vs. Reclast Side Effects
Actonel
Reclast
Actonel vs. Reclast Dosage
Actonel
Reclast
| STAGE | DOSE | WHEN |
| Starting dose | 5 mg once daily | At the start |
| Maximum dose | 150 mg once monthly | If needed |
| Dose changes | 4 increases | As tolerated |
| STAGE | DOSE | WHEN |
| Starting dose | 5 mg IV once yearly | At the start |
| Maximum dose | 5 mg IV single infusion | If needed |
| Dose changes | 2 increases | As tolerated |
Actonel
| STAGE | DOSE | WHEN |
| Starting dose | 5 mg once daily | At the start |
| Maximum dose | 150 mg once monthly | If needed |
| Dose changes | 4 increases | As tolerated |
Reclast
| STAGE | DOSE | WHEN |
| Starting dose | 5 mg IV once yearly | At the start |
| Maximum dose | 5 mg IV single infusion | If needed |
| Dose changes | 2 increases | As tolerated |
Actonel vs. Reclast Indications
Actonel
Actonel is FDA-approved for several forms of bone loss, from routine postmenopausal osteoporosis to rarer conditions like Paget's disease. It is prescribed both to treat existing bone loss and, in some cases, to prevent it before fractures occur. Your doctor chooses the specific schedule based on which condition you have.
Treatment and prevention of postmenopausal osteoporosis
Treatment to increase bone mass in men with osteoporosis
Treatment and prevention of glucocorticoid-induced osteoporosis
Treatment of Paget's disease of bone
Reclast
Reclast covers the same range of bone conditions as Actonel, from postmenopausal osteoporosis to Paget's disease of bone. It also treats and prevents bone loss caused by long-term steroid use. Because it is infused rather than swallowed, it is often considered for patients who cannot tolerate oral bisphosphonates.
Treatment and prevention of postmenopausal osteoporosis
Treatment to increase bone mass in men with osteoporosis
Treatment and prevention of glucocorticoid-induced osteoporosis
Treatment of Paget's disease of bone
Actonel vs. Reclast Pros and Cons
Actonel
Actonel gives patients several ways to take a bisphosphonate by mouth, from a daily tablet to a once-monthly dose. It has a long track record and is available as an affordable generic. Following the strict dosing instructions is essential to avoid stomach and esophagus irritation.
Pros
Multiple pill schedules (daily, weekly, twice-monthly, monthly) to fit different routines
Can be taken and adjusted at home without a clinic visit
Long-standing safety record with over two decades of use
Available as a lower-cost generic (risedronate)
Cons
Must be taken on an empty stomach with a full glass of plain water
Must remain upright for at least 30 minutes after each dose
Missed or improperly timed doses reduce how well it works
Not recommended for patients with severe kidney impairment (CrCl under 30 mL/min)
Reclast
Reclast trades daily pills for a single yearly infusion, which some patients find easier to stick with. Because a nurse or doctor gives the dose, there is no risk of taking it incorrectly at home. The trade-off is a clinic visit and a higher chance of short-term flu-like symptoms after infusion.
Pros
Only one infusion per year (or every two years for prevention) removes daily pill burden
Given by a healthcare professional, so there's no risk of incorrect home dosing
Avoids the stomach and esophagus irritation seen with oral bisphosphonates
Useful option for patients who can't tolerate or absorb oral bisphosphonates
Cons
Requires a scheduled infusion visit at a clinic or infusion center
Flu-like symptoms such as fever and muscle aches are common in the days after infusion
Needs a kidney function check before each dose
Not recommended for patients with significant kidney impairment (CrCl under 35 mL/min)
Common Symptoms and Related Diseases You Can Explore
Explore a range of common symptoms the Doctronic Symptom Checker can help you understand.