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Hydroxocobalamin (hye droks oh koe BAL a min)

Adult Medication

Brand Names: U.S.

Cyanokit

Brand Names: Canada

Cyanokit

What is this drug used for?

  • It is used to treat anemia.
  • It is used to treat or prevent low vitamin B12.
  • It is used to treat cyanide poisoning.

What do I need to tell my doctor BEFORE I take this drug?

  • If you have an allergy to hydroxocobalamin or any other part of this drug.
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
This drug 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 this drug 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 this drug?

All products:

  • Tell dentists, surgeons, and other doctors that you use this drug.
  • Have your blood work checked often. Talk with your doctor.
  • This drug may affect certain lab tests. Be sure your doctor and lab workers know you take this drug.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

Cyanide poisoning:

  • High blood pressure may rarely happen.
  • You may have skin redness for up to 2 weeks and change in the color of urine to red for up to 5 weeks after getting this drug. Avoid sun, sunlamps, and tanning beds while your skin is red. Talk with your doctor.

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:

All products:

  • 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 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.
  • Pain where the shot was given.
  • Very bad irritation where the shot was given.
  • Swelling in the arms or legs.

Cyanide poisoning:

  • Very bad headache.
  • Black, tarry, or bloody stools.
  • Trouble swallowing.
  • Memory problems or loss.
  • Change in eyesight, eye pain, or very bad eye irritation.
  • A heartbeat that does not feel normal.
  • A fast heartbeat.

What are some other side effects of this drug?

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:

All products:

  • Loose stools (diarrhea).
  • Irritation where the shot is given.

Cyanide poisoning:

  • Upset stomach or throwing up.
  • Headache.
  • Belly pain.
  • Dizziness.
  • Restlessness.
  • Pimples (acne).
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 your national health agency.

How is this drug best taken?

Use this drug as ordered by your doctor. Read and follow the dosing on the label closely.

Cyanide poisoning:

  • It is given as a shot into a vein over a period of time.

All other products:

  • It is given as a shot into a muscle.
  • Your doctor may teach you how to give the shot.
  • Follow how to use carefully.
  • Wash your hands before and after use.
  • Do not use if the solution is cloudy, leaking, or has particles.
  • Do not use if solution changes color.
  • Throw away needles in a needle/sharp disposal box. When the box is full, follow all local rules for getting rid of it. Talk with a doctor or pharmacist if you have any questions.

What do I do if I miss a dose?

Cyanide poisoning:

  • Call the doctor to find out what to do.

All other products:

  • 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.

How do I store and/or throw out this drug?

Cyanide poisoning:

  • This drug will be given to you in a hospital or doctor’s office. You will not store it at home.

All other products:

  • Most of the time, this drug will be given in a hospital or doctor’s office. If stored at home, follow how to store as you were told by the doctor.

All products:

  • Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.

General drug facts

  • 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.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, 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.

Consumer Information Use and Disclaimer

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

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