Alpha-Key Soft Capsule 0.5 Micrograms (Alfacalcidol)

Adult dose

Chronic renal failure and osteoporosis: Administer 0.5–1 ㎍ of alfacalcidol orally once a day. Hypoparathyroidism and other conditions due to vitamin D metabolism disorders: Administer 1–4 ㎍ of this medication orally once a day.

Child dose

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

This medication should not be taken by individuals with hypercalcemia, hyperphosphatemia, or hypermagnesemia, which are conditions of abnormally high calcium and phosphate levels in the blood. Patients with alkaline blood due to high acidity of the blood or those experiencing toxic symptoms from excessive vitamin D intake should also avoid taking this medication. It should be avoided in case of allergic reactions to this medication as well. During treatment, it is advisable not to use medications containing magnesium, vitamin D preparations, calcium supplements, or certain diuretics together with this medication. It is preferable to avoid breastfeeding during treatment; if necessary, it is advisable to discontinue breastfeeding. Women who are pregnant or may become pregnant should consult a physician for cautious use as it may harm the fetus. Children, the elderly, those on certain medications, patients with a history of kidney stones, etc., should consult a specialist before taking this medication. If any unusual symptoms appear during treatment, such as nausea, vomiting, muscle cramps, headache, dizziness, heart irregularities, renal function decline, skin rash, or vision disturbances, discontinue the medication immediately and consult healthcare professionals. Regular blood tests should be conducted to monitor calcium levels and renal function, and caution should be taken not to exceed the recommended dosage. This medication should be stored out of reach of children in a cool, dry place, protected from direct sunlight and not transferred to other containers.

Serious side effects

• Chest tightness
• difficulty breathing
• increased blood pressure
• jaundice
• sudden and severe headache
• seizures
• confusion
• vision disturbances
• paralysis
• noticeably decreased urine output

Mild side effects

• Loss of appetite
• nausea
• vomiting
• diarrhea
• constipation
• stomach pain
• discomfort in the gastric area
• abdominal bloating
• indigestion
• thirst

This medication is sensitive to light; therefore, it should be stored in a container that does not allow light to enter. Additionally, it is best to store the medication at room temperature between 1 to 30 degrees Celsius. Proper storage will help maintain the effectiveness of the medication for an extended period.

Appearance

Yellow oval soft capsule containing a colorless or transparent oily substance

Package unit

30 capsules/bottle, 100 capsules/bottle, 100 capsules/box [10 capsules/PTP X 10]