Prescription requiredVitamins / Nutritional supplement (Neurotropic vitamins)

CYNOCAL 16 RF INJ — Side Effects & Warnings

Known side effects of CYNOCAL 16 RF INJ include Injection site pain, redness or swelling, nausea, vomiting, dizziness, headache, flushing, diarrhea, rash, itching. Not everyone experiences these side effects.

Common Side Effects

Injection site pain
redness or swelling
nausea
vomiting
dizziness
headache
flushing
diarrhea
rash
itching

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Use only under medical supervision. Inform your doctor if you have allergy to any B-vitamins, kidney or liver disease, or low potassium levels. Rare hypersensitivity reactions can occur—seek urgent care for breathing difficulty, facial swelling or severe rash. Long-term/high-dose pyridoxine may itself cause neuropathy; use the prescribed dose only.

Drug Interactions

CYNOCAL 16 RF INJ may interact with the following:

Levodopa (without carbidopa) may have reduced effect with pyridoxine
Isoniazid
Penicillamine
Phenytoin
Phenobarbital
Primidone
Chloramphenicol (may blunt hematologic response to B12)
Metformin and proton pump inhibitors (can reduce B12 levels with long-term use)

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Consult doctor

Alcohol Interaction

Use with caution

Habit Forming

Storage

Store below 25°C, protect from light, do not freeze. Keep ampoules in original carton; use immediately after opening and discard any unused portion.

CYNOCAL 16 RF INJ — Safety Summary

Composition: Methylcobalamin (Vitamin B12) 1500 mcg (1.5 mg) per 2 mL injection, Pyridoxine HCl (Vitamin B6) 100 mg per 2 mL injection, Nicotinamide (Vitamin B3) 100 mg per 2 mL injection
Prescription: Required (Rx)
Pregnancy: Consult doctor
Alcohol: Use with caution
Habit forming: No

CYNOCAL 16 RF INJ — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.