Reclast contains the active ingredient zoledronic acid. It is a prescription medication used to strengthen bones, slow bone loss, and reduce the risk of fractures.
Reclast is given through a vein as an intravenous infusion by a healthcare professional. It is not taken every day. Depending on why you are receiving it, treatment may be given once a year or as a single dose.
Osteoporosis
Osteoporosis is a condition in which bones become thinner, weaker, and more likely to break. It often develops gradually and may not cause symptoms until a fracture occurs.
Reclast may be prescribed to treat osteoporosis in postmenopausal women and in men. It can help increase bone density and reduce the risk of fractures, including fractures of the hip and spine.
A hip fracture can affect mobility and independence, while spinal fractures may cause back pain, loss of height, or a curved posture. By slowing bone loss, Reclast helps make these fractures less likely.
Reclast may also be used to help prevent osteoporosis in certain postmenopausal women who are at increased risk of bone loss.
Osteoporosis after a hip fracture
Reclast may be prescribed after a low-trauma hip fracture, such as a fracture caused by a fall from standing height.
People who have had one osteoporosis-related fracture are at greater risk of another. Reclast may help reduce the chance of future fractures and support long-term bone strength.
Osteoporosis caused by corticosteroids
Long-term treatment with corticosteroid medications, such as prednisone, can cause bones to lose density more quickly. This is called glucocorticoid-induced osteoporosis.
Corticosteroids can reduce the body’s ability to build new bone, decrease calcium absorption, and increase bone breakdown. The risk is generally greater with higher doses and longer treatment.
Reclast may be used to prevent or treat bone loss in people who are expected to take corticosteroids for an extended period and are at increased risk of fractures.
Paget’s disease of bone
Paget’s disease causes the normal process of bone breakdown and rebuilding to become unusually fast and disorganized.
The affected bone may become enlarged, weak, misshapen, or painful. Paget’s disease may affect the pelvis, spine, skull, legs, or other bones.
Possible complications include:
- Bone pain
- Bone deformity
- Fractures
- Arthritis near the affected bone
- Hearing problems when the skull is involved
- Pressure on nearby nerves
Reclast slows the abnormal bone-remodelling process. This can help reduce bone pain, improve bone structure, and lower the activity of the disease.
How Reclast works
Bones are living tissues that are constantly renewed. Cells called osteoclasts break down old or damaged bone, while cells called osteoblasts build new bone.
In osteoporosis, bone is removed faster than it is replaced. This causes bones to gradually lose strength.
Reclast belongs to a group of medications called bisphosphonates. It attaches to bone and reduces the activity of osteoclasts. As bone breakdown slows, the body has more time to maintain or rebuild bone tissue.
Reclast does not create new bone immediately. Its main effect is to reduce excessive bone loss and improve bone strength over time.
What results can you expect?
You will not usually feel Reclast working. Your healthcare provider may monitor your response through bone-density scans, blood tests, fracture history, and other assessments.
Bone density may improve gradually over months or years. Even if you do not feel different, treatment may still be reducing your fracture risk.
How Reclast is given
Reclast is given through a vein by a healthcare professional. The infusion usually lasts at least 15 minutes.
For osteoporosis treatment, it is commonly given once a year. For osteoporosis prevention in certain postmenopausal women, it may be given once every two years. Paget’s disease is generally treated with a single infusion, although retreatment may be considered if the disease becomes active again.
Your exact schedule will depend on your condition, kidney function, treatment response, and risk of fractures.
Calcium, vitamin D, and bone health
Your healthcare provider may recommend calcium and vitamin D before and after treatment. These nutrients are important because Reclast can lower blood calcium, especially in people who already have low levels.
Your overall bone-health plan may also include:
- Weight-bearing exercise
- Strength and balance training
- Avoiding smoking
- Limiting alcohol
- Eating enough protein and calcium
- Reducing the risk of falls
Important treatment considerations
Reclast is not suitable for everyone. Your healthcare provider will check your kidney function and blood calcium before treatment.
Tell your healthcare provider if you have kidney disease, low calcium levels, dehydration, dental problems, or difficulty absorbing nutrients. Also tell them about all medications and supplements you take.
Drink enough fluids before receiving Reclast unless your healthcare provider has told you to limit fluids. Dehydration may increase the risk of kidney problems.
Some people develop temporary flu-like symptoms after an infusion, including fever, chills, headache, tiredness, or muscle and joint aches. These symptoms are most common after the first dose and often improve within a few days.
Rare but serious risks may include kidney injury, very low calcium levels, unusual thigh-bone fractures, and damage to the jawbone. Your healthcare provider will consider these risks before recommending treatment.
Contact your healthcare provider promptly if you develop severe muscle cramps, tingling around your mouth, reduced urination, severe jaw pain, a nonhealing mouth sore, or new pain in your thigh or groin.
Attend all follow-up appointments and laboratory tests so your healthcare provider can confirm that Reclast remains safe and appropriate for you.
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