Medications and Drugs

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Brand Names: Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12

Generic Name: cyanocobalamin (injection) (Pronunciation: sye AN oh koe BAL a min)

• What is cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?
• What are the possible side effects of cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?
• What is the most important information I should know about cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?
• What should I discuss with my healthcare provider before using cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?
• How should I use cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?
• What happens if I miss a dose (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?
• What happens if I overdose (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?
• What should I avoid while using cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?
• What other drugs will affect cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?
• Where can I get more information injection?

What is cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?

Cyanocobalamin is a man-made form of vitamin B12. Vitamin B12 is important for growth, cell reproduction, blood formation, and protein and tissue synthesis.

Cyanocobalamin is used to treat vitamin B12 deficiency in people with pernicious anemia and other conditions.

Cyanocobalamin may also be used for other purposes not listed in this medication guide.

What are the possible side effects of cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

• chest pain;
• feeling short of breath, even with mild exertion;
• swelling, rapid weight gain; or
• unusual warmth, redness, or pain in an arm or leg.

Less serious side effects may include:

• headache, dizziness, weakness;
• nausea, upset stomach, diarrhea;
• numbness or tingling;
• pain, swelling, redness, or irritation where the injection was given;
• fever;
• joint pain; or
• itching or rash.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about cyanocobalamin injection (Cobolin-M, Cyomin, Depo-Cobolin, Vitamin B12, Vitamin B-12)?

You should not use this medication if you are allergic to cobalt, or if you have Leber's disease. Cyanocobalamin can lead to optic nerve damage (and possibly blindness) in people with Leber's disease.

To treat pernicious anemia, you will have to use this medication on a regular basis for the rest of your life. Not using the medication can lead to irreversible nerve damage in your spinal cord.

Pernicious anemia is also treated with folic acid to help maintain red blood cells. However, folic acid will not treat Vitamin B12 deficiency and will not prevent possible damage to the spinal cord. Take all of your medications as directed.

Your dose needs may change if you become pregnant, if you breast-feed, or if you eat a vegetarian diet. Tell your doctor about any changes in your diet or medical condition.

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