Vitabee 12 Side Effects

Generic name: cyanocobalamin

Medically reviewed by Drugs.com. Last updated on Jan 7, 2025.

Note: This document provides detailed information about Vitabee 12 Side Effects associated with cyanocobalamin. Some dosage forms listed on this page may not apply specifically to the brand name Vitabee 12.

Applies to cyanocobalamin: intramuscular solution.

Other dosage forms:

• nasal spray

Serious side effects of Vitabee 12

Along with its needed effects, cyanocobalamin (the active ingredient contained in Vitabee 12) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur while taking cyanocobalamin:

Other side effects of Vitabee 12

Some side effects of cyanocobalamin may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Precautions

It is very important that your doctor check the progress of you or your child at regular visits. This will allow your doctor to see if the medicine is working properly. Blood and other laboratory tests may be needed to check for unwanted effects.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.

For healthcare professionals

Applies to cyanocobalamin: compounding powder, injectable solution, intramuscular solution, nasal gel, nasal spray, oral liquid, oral lozenge, oral tablet, oral tablet chewable, oral tablet disintegrating, oral tablet extended release, sublingual liquid, sublingual lozenge, sublingual tablet.

Cardiovascular adverse events

• Frequency not reported: Congestive heart failure, peripheral vascular thrombosis, cardiac arrest, low blood pressure^[Ref]

Hypersensitivity

• Frequency not reported: Anaphylactic shock and death, allergic hypersensitivity reactions^[Ref]

Patients sensitized to the injectable product are often able to tolerate the oral route without problems.^[Ref]

Gastrointestinal

• Frequency not reported: Mild transient diarrhea, prolonged abdominal pain, prolonged nausea or vomiting^[Ref]

Nervous system

• Frequency not reported: Severe dizziness, drowsiness, muscular paralysis, loss of consciousness^[Ref]

Dermatologic

• Frequency not reported: Itching, transitory exanthema, acneiform eruptions, bullous eruptions^[Ref]

Respiratory

• Frequency not reported: Pulmonary edema^[Ref]

Metabolic

• Frequency not reported: Hypokalemia^[Ref]

Oncologic

• Frequency not reported: Polycythemia vera^[Ref]

Ocular

• Frequency not reported: Vision problems^[Ref]

Other

• Frequency not reported: Feeling of swelling of entire body^[Ref]

See also:

Further information

Vitabee 12 side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer