Also known as: Calcitriol
Description
Generic Aristrol is a synthetic vitamin D analog which is active in the regulation of the absorption of calcium from the gastrointestinal tract and its utilization in the body. The two known sites of action of Generic Aristrol are intestine and bone. Generic Aristrol receptor-binding protein appears to exist in the mucosa of human intestine. Additional evidence suggests that Generic Aristrol may also act on the kidney and the parathyroid glands. Generic Aristrol is the most active known form of vitamin D3 in stimulating intestinal calcium transport. In acutely uremic rats Generic Aristrol has been shown to stimulate intestinal calcium absorption. The kidneys of uremic patients cannot adequately synthesize Generic Aristrol, the active hormone formed from precursor vitamin D. Resultant hypocalcemia and secondary hyperparathyroidism are a major cause of the metabolic bone disease of renal failure. However, other bone-toxic substances which accumulate in uremia (eg, aluminum) may also contribute. The beneficial effect of Generic Aristrol in renal osteodystrophy appears to result from correction of hypocalcemia and secondary hyperparathyroidism. It is uncertain whether Generic Aristrol produces other independent beneficial effects. Aristrol is also known as Calcitriol. Generic Aristrol treatment is not associated with an accelerated rate of renal function deterioration. No radiographic evidence of extraskeletal calcification has been found in predialysis patients following treatment. The duration of pharmacologic activity of a single dose of calcitriol is about 3 to 5 days. Generic name of Generic Aristrol is Calcitriol. Brand name of Generic Aristrol is Aristrol.
Dosage
This section provides information on the proper use of a number of products that contain vitamin d and related compounds. It may not be specific to Rocaltrol. Please read with care.
For use as a dietary supplement:
Do not take more than the recommended daily amount. Vitamin D is stored in the body, and taking too much over a period of time can cause poisoning and even death.
If you have any questions about this, check with your health care professional.
For individuals taking the oral liquid form of this dietary supplement:
This preparation should be taken by mouth even though it comes in a dropper bottle. This dietary supplement may be dropped directly into the mouth or mixed with cereal, fruit juice, or other food.
While you are taking alfacalcidol, calcifediol, calcitriol, dihydrotachysterol, doxercalciferol or paricalcitol , your health care professional may want you to follow a special diet or take a calcium supplement. Be sure to follow instructions carefully. If you are already taking a calcium supplement or any medicine containing calcium, make sure your health care professional knows.
The dose medicines in this class will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of these medicines. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
For alfacalcidol To treat bone disease in kidney patients undergoing kidney dialysis: For oral dosage form (capsules): Adults and teenagers—At first, 1 microgram (mcg) a day. Your doctor may change your dose if needed. However, most people will take not more than 3 mcg a day. For oral dosage form (drops): Adults and teenagers—At first, 1 microgram (mcg) a day. Your doctor may change your dose if needed. However, most people will take not more than 3 mcg a day. For oral dosage form (solution): Adults and teenagers—At first, 1 mcg a day. Your doctor may change your dose if needed. However, most people will take not more than 3 mcg a day. For parenteral dosage form (injection): Adults and teenagers—At first, 1 mcg a day. Your doctor may change your dose if needed. However, most people will take not more than 12 mcg a week. To treat diseases in which calcium is not used properly by the body: For oral dosage form (capsules): Adults and teenagers—At first, 0.25 microgram (mcg) a day. Your doctor may change your dose if needed. However, most people will take not more than 1 mcg a day. For oral dosage form (drops): Adults and teenagers—At first, 0.25 microgram (mcg) a day. Your doctor may change your dose if needed. However, most people will take not more than 1 mcg a day. For oral dosage form (solution): Adults and teenagers—At first, 0.25 mcg a day. Your doctor may change your dose if needed. However, most people will take not more than 1 mcg a day.
For calcifediol To treat diseases in which calcium is not used properly by the body or to treat bone disease in kidney patients undergoing kidney dialysis: For oral dosage form (capsules): Adults, teenagers, and children over 10 years of age—At first, 300 to 350 micrograms (mcg) a week, taken in divided doses either once a day or every other day. Your doctor may change your dose if needed. Children 2 to 10 years of age—50 mcg a day. Children up to 2 years of age—20 to 50 mcg a day. To treat diseases in which calcium is not used properly by the body or to treat bone disease in kidney patients undergoing kidney dialysis: For oral dosage forms (capsules and solution): Adults, teenagers, and children—At first, 0.25 micrograms (mcg) a day. Your doctor may change your dose if needed. For parenteral dosage forms (injection): Adults and teenagers—At first, 0.5 mcg injected into a vein three times a week. Your doctor may change your dose if needed. Children—Use and dose must be determined by your doctor.
For dihydrotachysterol To treat diseases in which calcium is not used properly by the body: For oral dosage forms (capsules, solution, or tablets): Adults and teenagers—At first, 100 micrograms (mcg) to 2.5 milligrams (mg) a day. Your doctor may change your dose if needed. Children—At first, 1 to 5 mg a day. Your doctor may change your dose if needed.
For doxercalciferol To treat an overactive parathyroid gland in patients with kidney failure: For oral dosage form (capsules): Adults—10 micrograms (mcg) three times weekly at dialysis. The doctor may change your dose if needed. Children—Use and dose must be determined by your doctor.
For ergocalciferol The amount of vitamin D to meet normal daily recommended intakes will be different for different individuals. The following information includes only the average amounts of vitamin D. To prevent deficiency, the amount taken by mouth is based on normal daily recommended intakes: For oral dosage form (capsules): For the U.S. Adults and teenagers—5 to 10 micrograms (mcg) (200 to 400 Units) per day. Pregnant and breast-feeding females—10 mcg (400 Units) per day. Children 4 to 10 years of age—10 mcg (400 Units) per day. Children birth to 3 years of age—7.5 to 10 mcg (300 to 400 Units) per day. For Canada Adults and teenagers—2.5 to 5 mcg (100 to 200 Units) per day. Pregnant and breast-feeding females—5 to 7.5 mcg (200 to 300 Units) per day. Children 7 to 10 years of age—2.5 to 5 mcg (100 to 200 Units) per day. Children 4 to 6 years of age—5 mcg (200 Units) per day. Children birth to 3 years of age—5 to 10 mcg (200 to 400 Units) per day. To treat deficiency: Adults, teenagers, and children—Treatment dose is determined by prescriber for each individual based on severity of deficiency. To treat diseases in which calcium and phosphate are not used properly by the body: Adults and teenagers—At first, 1000 to 500,000 Units a day. The doctor may change your dose if needed. Children—At first, 1000 to 200,000 Units a day. The doctor may change your dose if needed.
For paricalcitol To treat an overactive parathyroid gland in patients with kidney failure: For oral dosage form (capsules): Adults—1 to 2 micrograms (mcg) one time per day or 2 to 4 mcg three times a week (not more often than every other day). The doctor may change your dose if needed. Children—Use and dose must be determined by your doctor. For parenteral dosage form (injection): Adults—0.04 to 0.1 micrograms (mcg) per kg no more than every other day during dialysis. The doctor may change your dose if needed. Children—Use and dose must be determined by your doctor.
Overdose
If you overdose Generic Aristrol and you don't feel good you should visit your doctor or health care provider immediately.
Storage
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F) away from moisture, light and heat. Keep container tightly closed. Throw away any unused medicine after the expiration date. Keep out of the reach of children.
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