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How to take Oral cyanocobalamin?

Cyanocobalamin can be described as one form of vitamin B12. Vitamin B12 is vital for cell growth, reproduction, blood production, tissue, and protein synthesis.

Cyanocobalamin is a medication used in the treatment of vitamin B12 deficiency in people who suffer from pernicious anemia and other ailments like the deficiency of folic acid, pregnancy issues, thyroid disorders, stomach problems, and intestinal problems. bleeding, kidney or liver disease, parasite infection, or cancer. Cyanocobalamin is also employed for other purposes that are not covered in this guideline for medication.

Side effects of Oral cyanocobalamin

Seek medical attention immediately in the event that you exhibit symptoms that indicate an allergy, such as asthma, hives, and swelling of your lips, face, and throat.

Cyanocobalamin could cause serious adverse side effects. Consult your doctor immediately if you suffer from:

  • Bleeding or easy bruising (nosebleeds or bleeding gums);
  • Extreme tiredness;
  • A feeling of lightheadedness, as if you're about to pass out.
  • Pale skin, blue lips, or fingernails;
  • Eye pain, vision problems;
  • Headache that is the sound of your ears ringing;
  • Tightness or pain in the chest; rapid heartbeats;
  • Cough, wheezing, trouble breathing
  • Trouble swallowing
  • Very little or no urine;
  • Heart issues: swelling and weight gain; rapid sensation of being short of breath;
  • Lower potassium level: leg cramps, constipation, irregular heartbeats, fluttering around your chest, thirsty or increased urine, numbness or tingling muscles, an aching sensation;
  • Indications for a blood clot on the leg or arm: pain or numbness, a coldness, the appearance of paleness, or warmth.

Common negative side effects of cyanocobalamin can include:

  • Diarrhea; or
  • Rash.

This isn't a complete list of possible side effects, and other side effects could be present. Contact your physician for advice regarding medical effects. You can report any side effects to the FDA at 1-800-FDA-1088.


It is not recommended to take cyanocobalamin in the event that you are allergic to cobalt or suffer from the disease Leber's.

Before you start taking this medicine, make sure to consult your doctor.

This medication is recommended if you have an allergy to cobalt or suffer from Leber's disease. Cyanocobalamin could cause damage to the optic nerve (and perhaps blindness) for people suffering from Leber's disease.

Consult a pharmacist or doctor to determine if this medication is safe to use if you previously had:

  • Low levels of potassium or calcium in your blood.
  • Coronary disease;
  • A stroke;
  • A bleeding or blood clotting disorder, such as hemophilia;
  • Diabetes;
  • An iron or folic acid
  • Kidney disease kidney disease
  • Any illness that hinders your body from taking in the nutrients in the food you eat (malabsorption).

How to take Cyanocobalamin?

Follow the directions on the prescription label and also read all medication guides or instructions sheets. Make sure you use the medication precisely as directed.

Be sure to follow the directions on how to take your cytocobalamin in conjunction with or without food.

The dose you require might change when you become pregnant, breastfeed, or consume a vegetarian-based diet. Discuss with your physician any changes to the way you eat or your medical conditions.

Suck the extended-release tablets entire, and don't chew, crush, or even break the tablet. Drink it with a bottle of water.

Do not ingest a lozenge or sublingual tablet completely. It should be allowed to melt in the mouth without chewing. Cyanocobalamin sublingual tablets or liquids can be placed under the tongue.

Pernicious anemia is also treated using folic acid in order to preserve red blood cells. But folic acid does not help treat vitamin B12 deficiency and will not protect against injury to the spinal cord. All medications should be taken according to the directions.

To treat anemia that is pernicious, you'll have to use the cyanocobalamin supplement regularly throughout your life. If you do not use the medication, it can cause irreparable damage to the spinal cord.

It is possible that you will require frequent medical tests to assist your doctor in determining how long you should be treated with cyanocobalamin. Utilizing other medications in conjunction with cyanocobalamin could influence the outcomes of these tests.

Maintain at room temperature, far from heat, humidity, and light.

Details on dosage

Usual Adult Dose for Pernicious Anemia:

The first dose is 100 mg intramuscularly, or deep subcutaneously, once daily for up to 7 days.
If improvement in clinical and reticulocyte responses is observed after the dose mentioned above:
100 mcg once every two days for 7 doses:
100 mg every 3 to four days over 2 to 3 weeks, and then:
Dosage for maintenance: 100 to 1000 mg per month.
The duration of therapy
Inject folic acid in conjunction in the event of need.
The treatment for chronic pain should be carried out using an oral medication for patients who have normal absorption of the intestinal tract.

Usual Adult Dose for B12 Nutritional Deficiency:

Between 25 and 2000 mg every day

Usual Adult Dose for the Schilling Test:

1000 mg intramuscularly is the dose for flushing.

Usual Pediatric Dose for B12 Nutritional Deficiency:

0.5 to 3 mg per day

What happens if I miss the dose?

Do not take the medicine for as long as you are able, but do not take your missed dosage if you are nearing the time to take the next dose. Don't take two doses at a time.

What happens if I overdose?

For medical emergencies, seek emergency medical attention or contact the Poison Help Line toll-free at 1-800-222-1222.

What should be avoided?

Do not consume large amounts of alcohol. Drinking heavily could make it more difficult to take in the mineral cyanocobalamin.

Interaction with other drugs

Other medications may interact with the cyanocobalamin level, such as prescription and over-the-counter medicines, vitamins, and herbal supplements. Inform your physician about all the medicines you are currently taking as well as any medications you are about to start or stop taking.