

| Dosage | Package | Price per Dose | Price | |
|---|---|---|---|---|
| 0.25mcg | 180 cap | NZ$1.73 | NZ$344.18 NZ$309.76 Best Price | |
| 0.25mcg | 120 cap | NZ$1.94 | NZ$257.47 NZ$231.72 | |
| 0.25mcg | 90 cap | NZ$2.18 | NZ$218.06 NZ$196.25 | |
| 0.25mcg | 60 cap | NZ$2.72 | NZ$181.27 NZ$163.15 | |
| 0.25mcg | 30 cap | NZ$3.62 | NZ$120.84 NZ$108.76 | |
| 0.5mcg | 180 cap | NZ$2.18 | NZ$436.14 NZ$392.53 Popular | |
| 0.5mcg | 120 cap | NZ$2.39 | NZ$317.90 NZ$286.11 | |
| 0.5mcg | 90 cap | NZ$2.60 | NZ$260.10 NZ$234.09 | |
| 0.5mcg | 60 cap | NZ$2.91 | NZ$194.41 NZ$174.97 | |
| 0.5mcg | 30 cap | NZ$3.85 | NZ$128.72 NZ$115.85 |
Alfacalcidol was developed in the 1980s as a vitamin D analogue that is activated in the liver to calcitriol, bypassing the kidneyโs activation step. This design helps people with kidney disease manage bone and mineral balance. It is widely used in many countries for kidney-related bone problems and for low vitamin D activity. The medicine is taken by mouth and works inside your body to support calcium control.
Alfacalcidol is a vitamin D analogue. It is a prodrug, meaning your liver turns it into calcitriol, the active form. This step happens in the liver, not in the kidneys. Because of this, it can help people whose kidneys cannot activate vitamin D well.
Once activated, calcitriol increases calcium and phosphate absorption from the gut. It also helps calcium move into bone, supporting bone strength. It acts on vitamin D receptors in many tissues to influence mineral balance. Your doctor may adjust the dose to keep calcium levels in a safe range.
Common uses include treating bone problems that come with long-term kidney disease, especially secondary hyperparathyroidism. It helps lower high parathyroid hormone levels and improves calcium and phosphate balance. This can reduce bone pain and support bone turnover. Your doctor will decide if alfacalcidol is suitable for you.
In some regions, it may be prescribed for other bone conditions where vitamin D activity is helpful. It is not a first choice for healthy individuals without kidney problems. Your doctor may combine it with other treatments such as phosphate binders or calcium supplements if needed. Always follow your clinicianโs plan.
You usually take alfacalcidol by mouth once a day. It comes as capsules, and in some places as a liquid. Your dose depends on your condition, age, and how you respond. Take it exactly as your clinician tells you.
You can take it with or without food, but take it at the same time each day to keep levels steady. If you miss a dose, donโt double up. If you experience stomach upset, talk to your pharmacist or doctor before adjusting. Do not change the form of the medicine yourself.
Safety depends on keeping calcium and phosphate levels in a safe range. Do not take alfacalcidol if you have high calcium in your blood or urine. Your doctor will monitor blood tests to track calcium, phosphate, and parathyroid hormone. Tell them about all medications you take that affect calcium and bone health.
Share your full medical history, especially kidney or liver disease, heart problems, or pregnancy plans. This medicine may interact with other vitamin D products, calcium supplements, and certain diuretics. Avoid extra calcium unless your clinician says it is okay. Seek medical help if you notice symptoms of high calcium.
Many people tolerate alfacalcidol well. Common side effects include nausea, vomiting, stomach upset, dry mouth, and thirst. You may notice headaches or fatigue as the medicine starts. Some people report a metallic taste or mild dizziness.
More serious signs of too much calcium include unusual thirst, frequent urination, confusion, or muscle weakness. If you notice these, tell your doctor right away. Less common effects include skin rash or itching, or abnormal hair loss. If symptoms persist, contact your healthcare provider.
14โ21 days. Free from NZ$340.74 .
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