Generic Name: Cyanocobalamin (B12) Liquid (sye an oh koe BAL a min)
Medically reviewed by Drugs.com. Last updated on Feb 7, 2020.
Uses of Cyanocobalamin Liquid:
- It is used to help with some kinds of anemia.
- It is used to treat or prevent low vitamin B12.
- It may be given to you for other reasons. Talk with the doctor.
What do I need to tell my doctor BEFORE I take Cyanocobalamin Liquid?
- If you are allergic to cyanocobalamin (B12) liquid; any part of cyanocobalamin (B12) liquid; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
- If you have an eye problem called Leber's optic atrophy.
This medicine may interact with other drugs or health problems.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take cyanocobalamin (B12) liquid with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Cyanocobalamin Liquid?
- Tell all of your health care providers that you take cyanocobalamin (B12) liquid. This includes your doctors, nurses, pharmacists, and dentists.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- Talk with your doctor before you drink alcohol.
- Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.
How is this medicine (Cyanocobalamin Liquid) best taken?
Use cyanocobalamin (B12) liquid as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- It is best if cyanocobalamin (B12) liquid is taken with a meal.
- Keep taking cyanocobalamin (B12) liquid as you have been told by your doctor or other health care provider, even if you feel well.
- Shake well before use.
- Measure liquid doses carefully. Use the measuring device that comes with cyanocobalamin (B12) liquid. If there is none, ask the pharmacist for a device to measure cyanocobalamin (B12) liquid.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of low potassium levels like muscle pain or weakness, muscle cramps, or a heartbeat that does not feel normal.
- Swelling, warmth, numbness, change of color, or pain in a leg or arm.
- Shortness of breath, a big weight gain, or swelling in the arms or legs.
- Change in balance.
- A burning, numbness, or tingling feeling that is not normal.
- Change in eyesight.
What are some other side effects of Cyanocobalamin Liquid?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Feeling dizzy, tired, or weak.
- Feeling nervous and excitable.
- Diarrhea, upset stomach, or throwing up.
- Joint pain.
- Signs of a common cold.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Cyanocobalamin Liquid?
- Store at room temperature. Do not freeze.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about cyanocobalamin (B12) liquid, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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