Medication info
Alphabond Tablet 1 Microgram (Alfacalcidol)

Alphabond Tablet 1 Microgram (Alfacalcidol)

OTC medicationTablet경구
Ingredient · strength
Alfacalcidol›0.001mg / 1 tablet
Manufacturer / importer
한올바이오파마(주)
Appearance
White round tablet
Packaging
30 tablets/bottle, 100 tablets/bottle
Approval status
Active

MFDS item code 202600218 · Notified 2026.01.26

Summary

Main use
Symptoms of vitamin D metabolism disorders (hypocalcemia, bone pain, etc.) and improvement of osteoporosis
Who takes it
Adults · Children
Adult dose
For chronic kidney disease and osteoporosis: Administer orally as alfacalcidol 0.5 to 1 µg once daily. For hypoparathyroidism and other vitamin D metabolism disorder-related diseases: Administer orally as this drug 1 to 4 µg once daily.
Child dose
For osteoporosis: Administer orally as alfacalcidol 0.01 to 0.03 µg per kg of body weight once daily. For other conditions: Administer orally as this drug 0.05 to 0.1 µg per kg of body weight once daily.

Ingredients

Manufacturer
한올바이오파마(주)

Efficacy & effects

Symptoms of vitamin D metabolism disorders (hypocalcemia, bone pain, etc.) and improvement of osteoporosis

  • Hypocalcemia
  • tetany
  • bone pain
  • bone lesions
View approved original text

This drug helps improve symptoms caused by vitamin D metabolism disorders, such as chronic kidney disease, hypoparathyroidism, vitamin D resistant rickets, and osteomalacia, including hypocalcemia, tetany, bone pain, and bone lesions. It is also used to treat osteoporosis.

How to take

Adult dose

For chronic kidney disease and osteoporosis: Administer orally as alfacalcidol 0.5 to 1 µg once daily. For hypoparathyroidism and other vitamin D metabolism disorder-related diseases: Administer orally as this drug 1 to 4 µg once daily.

Child dose

For osteoporosis: Administer orally as alfacalcidol 0.01 to 0.03 µg per kg of body weight once daily. For other conditions: Administer orally as this drug 0.05 to 0.1 µg per kg of body weight once daily.

Precautions

This drug should not be taken by patients with hypercalcemia, hyperphosphatemia, hypermagnesemia, or those whose serum calcium and phosphate product exceeds a certain level. Patients with blood alkalosis or suspicion of vitamin D toxicity should also avoid this medication. Individuals with hypersensitivity to this drug should refrain from using it. It is important not to take this medication concurrently with drugs containing magnesium, vitamin D or its derivatives, calcium-containing drugs, or certain diuretics, as this may dangerously elevate serum calcium levels. It is advisable to avoid breastfeeding during the course of treatment; if it is necessary to take this drug, it is recommended to discontinue breastfeeding. Women who are pregnant or may become pregnant should consult a doctor before taking this drug. Children, the elderly, and patients taking specific medications should also consult experts before use. Various abnormal symptoms such as indigestion, vomiting, headache, muscle cramps, heart rhythm irregularities, and renal function decline may occur during treatment, and if these symptoms appear, discontinue use immediately and consult with an expert. Regular monitoring of serum calcium levels is necessary to maintain them within the normal range, and in the case of overdose, prompt emergency treatment may be required. This drug should be kept out of reach of children, stored in a cool, dry place away from direct sunlight, and it is best not to transfer it to other containers for quality maintenance.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling, chest tightness, difficulty breathing, cold sweat, paleness, high fever, severe rashes, blisters, skin peeling, pain in oral/eye mucosa, shortness of breath or difficulty breathing, asthma attacks, breathing difficulties accompanied by cough and fever, yellowing of the skin or eyes (jaundice), extreme lethargy, sudden and severe headaches, thunderclap headache, seizures, confusion, visual disturbances, paralysis, significantly reduced urine output

Mild side effects

  • Loss of appetite
  • nausea
  • vomiting
  • diarrhea
  • constipation
  • gastric pain
  • discomfort in the stomach area
  • abdominal bloating
  • indigestion
  • thirst
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  • oral discomfort
  • polydipsia
  • pancreatitis
  • metallic taste
  • muscle cramps in the legs
  • headache
  • heaviness in the head
  • insomnia
  • anxiety
  • fatigue
  • dizziness
  • numbness
  • drowsiness
  • heartburn
  • shoulder stiffness
  • presbycusis
  • tinnitus
  • cognitive impairment
  • psychosis
  • altered consciousness
  • back pain
  • mild hypertension
  • palpitations

Not everyone experiences these, and they can vary from person to person.

Storage

This drug should be stored in a tightly sealed container to avoid exposure to air and moisture. It is recommended to maintain a storage temperature between 1 and 30 degrees Celsius at room temperature.

Appearance and packaging

Appearance

White round tablet

Package unit

30 tablets/bottle, 100 tablets/bottle

Same-ingredient medicines

Even with the same ingredient, strength, dosage form and how it is taken can differ.

Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.

Questions about this medicine

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For anything that needs medical judgment, consult a doctor or pharmacist.

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This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.