Medication info
Calcitriol Soft Gelatin Capsule 1 Microgram (Alfacalcidol)

Calcitriol Soft Gelatin Capsule 1 Microgram (Alfacalcidol)

OTC medicationSoft capsule경구
Ingredient · strength
Alfacalcidol›1μg / 1 capsule
Manufacturer / importer
(주)메디카코리아
Appearance
Orange oval soft gelatin capsules containing a colorless or clear oily substance
Packaging
Bottle - 30 capsules/bottle, Bottle - 100 capsules/bottle, PTP - 100 capsules/box [10 capsules/PTP x 10]
Approval status
Active

MFDS item code 202600029 · Notified 2026.01.05

Summary

Main use
Improvement of symptoms related to vitamin D metabolism disorders (hypocalcemia, bone lesions, etc.) and osteoporosis
Who takes it
Adults · Children
Adult dose
Chronic renal failure and osteoporosis: Administer 0.5–1 µg orally once a day as Alfacalcidol. Hypoparathyroidism, and diseases due to other vitamin D metabolism disorders: Administer 1–4 µg orally once a day as this medication.
Child dose
Osteoporosis: Administer 0.01–0.03 µg per kg body weight orally once a day as Alfacalcidol. Other diseases: Administer 0.05–0.1 µg per kg body weight orally once a day as this medication.

Ingredients

Manufacturer
(주)메디카코리아

Efficacy & effects

Improvement of symptoms related to vitamin D metabolism disorders (hypocalcemia, bone lesions, etc.) and osteoporosis

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

This medication helps improve symptoms of hypocalcemia, tetany, bone pain, and bone lesions due to vitamin D metabolism disorders such as chronic renal failure, hypoparathyroidism, vitamin D-resistant rickets, and osteomalacia. It is also used to treat osteoporosis to strengthen bones and maintain bone density, thereby reducing the risk of fractures. Therefore, this medication effectively improves symptoms associated with various bone-related diseases and calcium metabolism disorders.

How to take

Adult dose

Chronic renal failure and osteoporosis: Administer 0.5–1 µg orally once a day as Alfacalcidol. Hypoparathyroidism, and diseases due to other vitamin D metabolism disorders: Administer 1–4 µg orally once a day as this medication.

Child dose

Osteoporosis: Administer 0.01–0.03 µg per kg body weight orally once a day as Alfacalcidol. Other diseases: Administer 0.05–0.1 µg per kg body weight orally once a day as this medication.

Precautions

This medication should not be taken by patients with abnormally high levels of calcium, phosphorus, or magnesium in the blood. While taking this medication, it is important not to use magnesium-containing drugs, vitamin D or its derivatives, calcium-containing medications, and certain diuretics. Women who are breastfeeding should avoid taking this medication since it could be transmitted to the baby; if it must be taken, breastfeeding should be discontinued. Women who are pregnant or may become pregnant should take this medication cautiously after consulting a physician due to the potential risk of harm to the fetus. Children, elderly patients, those taking certain medications, and individuals with a history of kidney stones or specific allergies should consult with a healthcare professional before use. If symptoms such as vomiting, loss of appetite, headache, muscle spasms, renal dysfunction, or skin rash occur while taking this medication, stop taking it immediately and consult a healthcare professional. Regularly monitor blood calcium levels during treatment to prevent side effects from overdose, and carefully manage calcium intake. Store this medication away from direct sunlight and in a cool, dry place, ensuring it is kept out of reach of children.

Side effects and when to seek care immediately

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, cold sweat, pallor, severe rash accompanied by high fever, blisters, skin peeling, pain in oral/ocular mucosa, shortness of breath or difficulty in breathing, asthma attack, respiratory abnormalities associated with cough + fever, yellowing of the skin or eyes (jaundice), extreme lethargy, sudden and severe headache, thunderclap headache, seizures, confusion of consciousness, vision abnormalities, paralysis, urination

Mild side effects

Loss of appetite, nausea, vomiting, diarrhea, constipation, abdominal pain, discomfort in the stomach, abdominal bloating, indigestion, thirst, oral discomfort, polydipsia, pancreatitis, metallic taste, muscle cramps in the legs, headache, heaviness in the head, insomnia, anxiety, weakness, fatigue, dizziness, numbness, drowsiness, heartburn, shoulder stiffness, presbycusis, tinnitus, decrement in cognitive and mnemonic ability, organic mental disorder, consciousness disturbance, back pain, mild hypertension, palpitations,

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

Storage

This medication may be sensitive to light, so it should be stored in opaque containers. Additionally, it is recommended to store it at a cool room temperature, between 1 to 30 degrees Celsius. This will help maintain the drug's effectiveness and prevent degradation.

Appearance and packaging

Appearance

Orange oval soft gelatin capsules containing a colorless or clear oily substance

Package unit

Bottle - 30 capsules/bottle, Bottle - 100 capsules/bottle, PTP - 100 capsules/box [10 capsules/PTP x 10]

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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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.