Comprehensive medication guide to Actonel 35 12-Week including estimated pricing, availability information, side effects, and how to find it in stock at your local pharmacy.
Estimated Insurance Pricing
$0–$15 copay for generic Risedronate; typically Tier 1–2 on most insurance plans, including Medicare Part D.
Estimated Cash Pricing
$340–$1,312 retail for brand-name Actonel; as low as $22–$50 with a discount card for generic Risedronate 35 mg for a 12-week supply.
Medfinder Findability Score
45/100
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Actonel 35 12-Week is a brand-name prescription medication containing Risedronate Sodium 35 mg, taken as one tablet per week. It is dispensed as a 12-tablet blister pack — a convenient 3-month (12-week) supply. Risedronate belongs to a class of drugs called bisphosphonates, the most commonly prescribed medications for osteoporosis. Actonel is manufactured by Allergan (now part of AbbVie). Generic Risedronate Sodium 35 mg is widely available and therapeutically equivalent to the brand-name product.
Actonel 35 12-Week is FDA-approved for four indications:
Actonel is not a controlled substance and has no DEA schedule or abuse potential.
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Your bones are living tissue that is constantly being broken down and rebuilt. Two types of bone cells manage this process: osteoclasts (which break down old bone) and osteoblasts (which build new bone). In osteoporosis, osteoclasts become overactive — bone breaks down faster than it is replaced, causing bones to become thinner and more fragile.
Risedronate is a pyridinyl bisphosphonate. After you take the tablet, the drug is absorbed into the bloodstream and travels to your bones, where it binds to hydroxyapatite — the mineral matrix of bone. When osteoclasts try to break down that area of bone, they absorb the Risedronate. Inside the cell, Risedronate disrupts the enzyme farnesyl pyrophosphate synthase, impairing osteoclast function and triggering cell death. With fewer active osteoclasts, bone breakdown slows significantly, allowing bone density to stabilize or improve.
Clinical improvements take time: bone turnover markers improve within 3–6 months, DEXA scan improvements are visible around 12 months, and significant fracture risk reductions are demonstrated over 3 years of continuous use. Risedronate remains embedded in bone for years after stopping, which is why doctors may recommend a "drug holiday" after 3–5 years of treatment.
5 mg — tablet
taken once daily
30 mg — tablet
taken once daily for Paget's disease of bone
35 mg — tablet
taken once weekly; dispensed as a standard pack or 12-week (12-tablet) blister pack
35 mg delayed-release (Atelvia) — tablet
taken once weekly with breakfast; delayed-release formulation
75 mg — tablet
taken on two consecutive days per month
150 mg — tablet
taken once monthly
Brand-name Actonel 35 12-Week has become increasingly difficult to find at retail pharmacies in 2026. Because generic Risedronate Sodium 35 mg has captured most of the market, many pharmacies no longer keep the brand-name product or the 12-tablet blister pack configuration in regular stock. Patients may encounter backorder notices, special-order requirements, or simple unavailability at large chain pharmacies.
Generic Risedronate Sodium 35 mg — the therapeutically equivalent alternative — is widely available at virtually all major pharmacy chains and independent pharmacies, often at a fraction of the brand-name cost. If your prescription allows generic substitution, availability is generally not an issue.
To check which pharmacies near you have Actonel 35 12-Week or generic Risedronate in stock, use Medfinder. Medfinder searches real-time pharmacy inventory so you can skip the phone calls and go straight to the pharmacy that has your medication ready.
Tips for patients who need brand-name Actonel specifically:
Actonel 35 12-Week can be prescribed by a wide range of licensed healthcare providers. It is not a controlled substance, so no special DEA registration is required beyond standard prescribing authority.
Providers who commonly prescribe Risedronate include:
Before prescribing, clinicians should assess kidney function (Risedronate is contraindicated if creatinine clearance is below 30 mL/min), correct hypocalcemia, and review for esophageal contraindications. A baseline DEXA scan and dental evaluation are also recommended prior to initiating therapy.
No. Actonel 35 12-Week (Risedronate Sodium) is not a controlled substance. It has no DEA schedule and no abuse or dependence potential. It can be prescribed by any licensed healthcare provider authorized to prescribe medications, and refills do not require special regulatory handling.
Most patients tolerate Actonel 35 12-Week well, especially when dosing instructions are followed correctly. Common side effects include:
Serious but rare side effects requiring immediate medical attention include: osteonecrosis of the jaw (ONJ), atypical femoral fractures (with long-term use), esophageal ulceration or stricture, severe musculoskeletal pain, hypocalcemia (low blood calcium), serious allergic reactions, and Stevens-Johnson syndrome. Contact your doctor right away if you experience jaw pain, unusual thigh or hip pain, difficulty swallowing, or chest pain.
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Alendronate (Fosamax)
The most widely prescribed bisphosphonate and closest alternative to Risedronate. Available as 70 mg once weekly or 10 mg daily. Generic Alendronate costs as little as $4–$15/month — the most affordable option.
Ibandronate (Boniva)
Oral bisphosphonate taken as a 150 mg tablet once monthly, or as a 3 mg IV injection every 3 months. Monthly dosing is more convenient for some patients. Generic oral tablet costs approximately $15–$50/month with a discount card.
Zoledronic Acid (Reclast)
IV bisphosphonate given as a 5 mg infusion once yearly for osteoporosis. Eliminates weekly or monthly pills and avoids GI side effects. Cost is $500–$1,500+ per infusion without insurance, but many plans cover it.
Denosumab (Prolia)
A RANK ligand inhibitor (not a bisphosphonate) given as a 60 mg subcutaneous injection every 6 months. Works via a different mechanism. Recommended when bisphosphonates are not tolerated or contraindicated. Note: discontinuation requires transitioning to another therapy to prevent rapid bone loss rebound.
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Calcium supplements
majorCalcium binds to Risedronate in the stomach and significantly reduces absorption. Do not take calcium within 30 minutes of an Actonel dose. Take calcium with lunch or dinner instead.
Antacids (aluminum, magnesium, or calcium-containing)
majorReduce Risedronate absorption. Wait at least 30 minutes after taking Actonel before using any antacid (e.g., Tums, Rolaids, Maalox).
Iron supplements
majorIron significantly reduces Risedronate absorption. Separate dosing by at least 30 minutes; ideally take iron at a different time of day.
Proton pump inhibitors (PPIs)
moderateOmeprazole, Esomeprazole, Lansoprazole, and similar PPIs may reduce Risedronate efficacy. Long-term PPI use has also been independently associated with bone loss. Discuss timing and alternatives with your doctor.
NSAIDs (ibuprofen, naproxen, aspirin)
moderateIncrease the risk of GI irritation and ulcers when used with bisphosphonates. Use with caution; discuss GI risk management with your prescriber.
Other bisphosphonates
majorDo not combine Actonel with other bisphosphonates (e.g., Alendronate, Ibandronate, Zoledronic Acid). No added benefit; increases risk of side effects.
Multivitamins
moderateMost multivitamins contain calcium, iron, and/or magnesium — all of which block Risedronate absorption. Take your multivitamin at a different time of day.
Systemic corticosteroids (prednisone, dexamethasone)
moderateLong-term steroid use causes bone loss on its own. Patients on Actonel to treat glucocorticoid-induced osteoporosis should have more frequent bone density monitoring.
H2 blockers (famotidine, ranitidine)
minorMay modestly reduce Risedronate absorption. Separate dosing when possible.
Actonel 35 12-Week is a proven, well-studied osteoporosis treatment that has helped patients maintain bone density and reduce fracture risk for over two decades. The shift to generics has made the brand-name product harder to find, but the active ingredient — Risedronate Sodium — remains widely available and affordable in its generic form.
For patients who need brand-name Actonel specifically, locating a stocking pharmacy may require contacting independent pharmacies or requesting a special order. For most patients, generic Risedronate Sodium 35 mg is a cost-effective, therapeutically equivalent option available at the lowest possible cost — as little as $22–$50 for a 12-week supply with a discount card.
Use Medfinder to search real-time pharmacy inventory near you, compare prices, and find the most convenient location with your medication in stock. Consistent treatment is essential for osteoporosis — don't let a supply issue put your bone health at risk.
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