Risedronate Sodium + Calcium Carbonate


  • To prevent and treat osteoporosis in postmenopausal women.
  • To increase bone mass in men with osteoporosis.
  • To prevent and treat osteoporosis in men and women that is caused by treatment with Steroid medicines such as prednisolone.
  • To treat Paget’s disease of bone in men and women.


Your body is constantly breaking down old bone and making new bone tissue. If you have osteoporosis, your body breaks down more bone than it forms so gradually bone loss occurs and your bones become thinner and fragile. This is especially common in women after menopause (change of life). Many people with osteoporosis have no symptoms and you may not even know that you have it. However, osteoporosis makes you more likely to have fractures (break bones), especially in your spine, hips and wrists.

Risedronate has an affinity for hydroxyapatite crystals in bone and acts as an antiresorptive agent. At the cellular level, Risedronate inhibits osteoclasts. The osteoclasts adhere normally to the bone surface, but show evidence of reduced active resorption. Calcium suppresses parathyroid hormone (PTH) secretion and decreases bone turnover. Increased levels of PTH are known to contribute to age-related bone loss, especially at cortical sites, while increased bone turnover is an independent risk factor of fractures.

Dosage & Administration

This is a co-package product containing 1 tablet of Risedronate Sodium 35 mg for once-weekly dosing and 6 tablets of Calcium Carbonate 500 mg for daily dosing of the remaining 6 days of the week. Risedronate is in a group of medicines called bisphosphonates. It alters the cycle of bone formation and breakdown in the body. It slows bone loss while increasing bone mass, which may prevent bone fractures.

The following instructions are applicable to all patients taking this tablet:
  • Take this tablet exactly as prescribed by your healthcare provider
  • At first, take this tablet in the morning before you eat or drink anything except plain water.
  • Take this tablet while you are sitting up or standing.
  • Take this tablet with 1 glass of plain water. Do not take it with any other drink besides plain
  • water.
  • Swallow whole this tablet. Do not chew the tablet or keep it in your mouth to melt or dissolve.
  • After taking this tablet you must wait at least 30 minutes before: lying down. You may sit, stand, or do normal activities. Eating or drinking anything except plain water. Taking vitamins, calcium, or antacids.
  • Take vitamins, calcium, & antacids at a different time of the day from when you take this tablet.
  • Keep taking this tablet for as long as your healthcare provider tells you.
Schedule: One this tablet should be taken orally once a week (Day 1 of the 7-day treatment cycle). One calcium 500 mg tablet should be taken orally with food daily on each of the remaining six days (Days 2 through 7 of the 7-day treatment cycle).


Please tell your doctor if you are taking or have recently taken any other medicines, including medicines obtained without a prescription specially aspirin or other NSAIDs. Antacids, supplements, or medicines that contain aluminum, calcium, magnesium, or other minerals can interfere with the absorption of Risedronate Sodium. If you use these other medicines, do not take these for at least 30 minutes after taking a Risedronate Sodium tablet.

Side Effects

Chest pain, difficulty or pain when swallowing, pain or burning under the ribs or in the back, new or worsening heartburn, severe joint, bone, or muscle pain, jaw pain, numbness, or swelling, mild heartburn or stomach upset, diarrhea, gas, or constipation, mild joint or back pain, headache.

Pregnancy & Lactation

It should not be taken during pregnancy. If you take it by accident during pregnancy, stop taking it straight away and talk to your doctor. Breast-feeding women should not take this medicine. If you take it by accident during breast-feeding, stop taking it straight away and talk to your doctor.

Precautions & Warnings

Take special care with if you:
  • Have low blood calcium (hypocalcemia).
  • Cannot sit or stand up for 30 minutes.
  • Have kidneys that work poorly.
  • Have an allergy to Risedronate Sodium.
  • Are pregnant or may become pregnant.
  • Are breast-feeding or plan to breast-feed.
  • Have kidney problems, Risedronate Sodium may not be right for you.

Use in Special Populations

For renal impaired patients: Risedronate Sodium is not recommended for use in patients with severe renal impairment (creatinine clearance <30 ml/min). No dosage adjustment is necessary in patients with a creatinine clearance >30 ml/min or in the elderly.

Therapeutic Class

Bisphosphonate preparations

Storage Conditions

Store in a cool and dry place. Protect from light & moisture. Keep out of the reach of children.

Available Brand Names