Neo-Cytamen Side Effects
Generic Name: hydroxocobalamin
Note: This page contains side effects data for the generic drug hydroxocobalamin. It is possible that some of the dosage forms included below may not apply to the brand name Neo-Cytamen.
For the Consumer
Applies to hydroxocobalamin: intravenous powder for solution
As well as its needed effects, hydroxocobalamin (the active ingredient contained in Neo-Cytamen) may cause unwanted side effects that require medical attention.
If any of the following side effects occur while taking hydroxocobalamin, check with your doctor or nurse immediately:More common:
- Blurred vision
- pounding in the ears
- redness of the skin
- slow or fast heartbeat
- Bloating or swelling of the face, arms, hands, lower legs, or feet
- difficult or labored breathing
- difficulty with swallowing
- feeling of warmth
- hives or welts, itching, or skin rash
- large, hive-like swelling on the , eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- rapid weight gain
- redness of the face, neck, arms, and occasionally, upper chest
- sudden sweating
- tightness in the chest
- tingling of the hands or feet
- unusual tiredness or weakness
- unusual weight gain or loss
Minor Side Effects
Some hydroxocobalamin side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:More common:
- Blemishes on the skin
- dry, red, hot, or irritated skin
- red colored urine
- Acid or sour stomach
- being forgetful
- redness or swelling of the eyes
- stomach discomfort, upset, or pain
For Healthcare Professionals
Applies to hydroxocobalamin: compounding powder, injectable solution, intravenous powder for injection
Gastrointestinal side effects have included mild transient diarrhea and nausea.[Ref]
Other side effects have included itching and feeling of swelling of the entire body.[Ref]
Dermatologic side effects have included transitory exanthema and erythema.[Ref]
Hypersensitivity side effects have rarely included anaphylactic reactions.[Ref]
Local side effects have included infusion site reaction and pain with injection.[Ref]
Renal side effects have included chromaturia.
Cardiovascular side effects, following intravenous administration, have included increased blood pressure.[Ref]
1. "Product Information. Hydro-Cobex (hydroxocobalamin)." Major Pharmaceuticals Inc, Rosemont, IL.
2. "Product Information. Cyanokit (hydroxocobalamin)." Meridian Medical Technologies Inc, Columbia, MD.
It is possible that some side effects of Neo-Cytamen may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
More about Neo-Cytamen (hydroxocobalamin)
- Other brands: Cyanokit
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