Interactions
What drugs may interact with vitamin B12?
This medication may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects.
To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist.
Drugs with known interactions:
- Chloramphenicol
- Colchicine
If you experience an adverse drug interaction, inform your doctor immediately to reevaluate your treatment plan. Approaches include dose adjustment, drug substitution, or ending therapy.
Does food or alcohol interact with vitamin B12?
This drug may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Limit your alcohol consumption as it can decrease the amount of B12 in the body. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.
What health conditions may interact with vitamin B12?
This drug may interact with underlying conditions. This interaction may worsen your health condition or alter the way the drug works. Therefore, it is important to always let your doctor and pharmacist know all the health conditions you currently have.
Dosage
The information provided is not a substitute for any medical advice. Therefore, you should always consult with your doctor or pharmacist before using any medication.
What is the dose for an adult?
Pernicious or macrocytic anemia
- Take 2000 mcg (2 mg) per day.
Megaloblastic anemia caused by vitamin B12 deficiency
- Take 50 to 150 mcg per day.
What is the dose for a child?
Pernicious or macrocytic anemia
- Take 1000 mcg (1 mg) per day or every 2 weeks.
How is vitamin B12 available?
This drug is available in the following brands, dosage forms, and strengths:
- GNC Cyanocobalamin 1000 mcg (1 mg)
- Neramin-12 OD tablet 1 mg
What should I do in case of an emergency or overdose?
In case of an emergency or an overdose, call your local emergency services or go to the nearest emergency room.
What should I do if I miss a dose?
If you miss a dose, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.
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