Zidovit Drug Information [ Istituto Biochimico Pavese Pharma ]
Table of content
Zidovit companies and manufacturers:
Zidovit forms, composition and dosages:
- N / A
Indications, usages and classification codes:
- B03BA04 - Cobamamide (Vitamin B12)
There is an additional general information about this medication active ingredient vitamin b12 (cyanocobalamin):
Pharmacological actionVitamin b12 refers to a group of water-soluble vitamins. It has high biological activity. This medication is necessary for normal hematopoiesis (promotes maturation of erythrocytes). Involved in the processes of transmethylation, hydrogen transport, synthesis of methionine, nucleic acids, choline, creatine. Contributes to the accumulation in erythrocytes of compounds containing sulfhydryl groups. Has a beneficial effect on liver function and the nervous system. Activates the coagulation of blood in high doses causes an increase in the activity of thromboplastin and prothrombin.
PharmacokineticsAfter oral administration absorbed from the gastrointestinal tract. Metabolized in the tissues, becoming a co-enzyme form - adenosylcobalamin which is the active form of cyanocobalamin. Excreted in bile and urine.
Why is Zidovit prescribed?Anemia due to B12-deficiency conditions; in the complex therapy for iron and posthemorrhagic anemia; aplastic anemia caused by toxic substances and drugs; liver disease (hepatitis, cirrhosis); funicular myelosis; polyneuritis, radiculitis, neuralgia, amyotrophic lateral sclerosis; children cerebral palsy, Down syndrome, peripheral nerve injury; skin diseases (psoriasis, photodermatosis, herpetiformis dermatitis, neurodermatitis); to prevent and treat symptoms of deficiency of vitamin B12 (including the application of biguanide, PASA, vitamin C in high doses); radiation sickness.
Dosage and administrationUsed as injections SC, IV, IM, intralumbar, and also oral. With anemia associated with vitamin B12 deficiency is introduced on 100-200 mcg in 2 days. In anemia with symptoms of funicular myelosis and megalocytic anemia with diseases of the nervous system - 400-500 micrograms in the first 7 days daily, then 1 time every 5-7 days. In the period of remission in the absence of events funicular myelosis maintenance dose - 100 mcg 2 times a month, in the presence of neurological symptoms - at 200-400 mcg 2-4 times a month. In acute post-hemorrhagic anemia and iron anemia by 30-100 mcg 2-3 times a week. When aplastic anemia (especially in children) - 100 micrograms before clinical improvement. When nutritional anemia in infants and preterm - 30 mcg / day during 15 days.
In diseases of the central and peripheral nervous system and neurological diseases with a pain syndrome is administered in increasing doses - 200-500 mcg, with the improvement in the state - 100 mcg / day. The course of treatment is 2 weeks. In traumatic lesions of peripheral nervous system - at 200-400 mcg every other day for 40-45 days.
When hepatitis and cirrhosis - 30-60 mcg / day or 100 mg every other day for 25-40 days.
Dystrophy in young children, Down syndrome and cerebral palsy - by 15-30 mcg every other day.
When funicular myelosis, amyotrophic lateral sclerosis can be introduced into the spinal canal at 15-30 mcg, gradually increasing the dose of 200-250 micrograms.
In radiation sickness, diabetic neuropathy, sprue - by 60-100 mcg daily for 20-30 days.
When deficiency of vitamin B12 to prevent - IV or IM for 1 mg 1 time a month; for treatment - IV or IM for 1 mg daily for 1-2 weeks, the maintenance dose is 1-2 mg IV or IM from 1 per week, up to 1 per month. Duration of treatment is determined individually.
Zidovit side effectsCNS: rarely - a state of arousal.
Cardiovascular system: rarely - pain in the heart, tachycardia.
Allergic reactions: rarely - urticaria.
ContraindicationsThromboembolism, erythremia, erythrocytosis, increased sensitivity to cyanocobalamin.
Using during pregnancy and breastfeedingcyanocobalamin can be used in pregnancy according to prescriptions.
Special instructionsWhhen stenocardia should be used with caution in a single dose of 100 mcg. During treatment should regularly monitor the blood picture and coagulation. It is unacceptable to enter in the same syringe with cyanocobalamin solutions of thiamine and pyridoxine.
Zidovit drug interactionsIn an application with hormonal contraceptives for oral administration may decrease the concentration of cyanocobalamin in plasma.
In an application with anticonvulsant drugs decreased cyanocobalamin absorption from the gut.
In an application with neomycin, aminosalicylic acid, colchicine, cimetidine, ranitidine, drugs potassium decreased cyanocobalamin absorption from the gut.
cyanocobalamin may exacerbate allergic reactions caused by thiamine.
When parenteral application of chloramphenicol may decrease the hematopoietic effects of cyanocobalamin with anemia.
Contained in the molecule of cyanocobalamin cobalt ion contributes to the destruction of ascorbic acid, thiamine bromide, riboflavin in one solution.
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Be sure to consult your doctor before taking any medication!
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