Cynomin250mcg/ml
Rx- Generic:
- Cyanocobalamin (Vitamin B12)
- Company:
- Jayson Pharmaceuticals Ltd.
- Dosage form:
- Injection
- Pack size:
- Injection
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৳ 4.51/unit
Pack: ৳ 4.51
At a glance
Cyanocobalamin (Vitamin B12) is an essential vitamin used for the treatment of pernicious anemia, vitamin B12 deficiency, macrocytic anemia, and other related conditions.
Indications
- Pernicious anemia
- Vitamin B12 deficiency (low intake from food)
- Thyrotoxicosis
- Hemorrhagic anemia
- Malignancy-associated anemia
- Liver or kidney disease-related B12 deficiency
- Post-gastric bypass surgery or gastrectomy
- Gluten enteropathy or sprue
- Folic acid deficiency
- Macrocytic anemia
Dosage
Adult Dose (IM - Pernicious or Macrocytic Anemia): 250-1000 mcg, given on alternate days for 1-2 weeks, then 250 mcg weekly until blood count returns to normal. Maintenance doses: 1000 mcg, given every month.
Hepatic Dose: Increased requirement in hepatic impairment.
Renal Dose: Increased requirement in renal impairment.
Side effects
Common Side Effects (>10%):
- Arthralgia (joint pain) (12%)
- Dizziness (12%)
- Headache (12%)
- Nasopharyngitis (12%)
Other Side Effects:
- Anaphylaxis
- Angioedema
- Congestive heart failure
- Peripheral vascular disease
- Pulmonary edema
- Diarrhea
- Dyspepsia
- Polycythemia vera
- Sore throat
- Nervousness
- Rhinitis
- Glossitis
- Hypoesthesia
Precautions & warnings
- Intensive treatment of B12-deficient megaloblastic anemia may cause hypokalemia and sudden death.
- Nasal disease: Defer use until symptoms resolve.
- Use with caution in patients with Leber optic nerve atrophy.
- Thrombocytosis may occur with treatment of severe vitamin B12 megaloblastic anemia.
⚠️ This information is for educational purposes only — not a substitute for medical advice. Consult a registered physician before taking any medicine.