OTC · No prescriptionNutritional supplement / Mineral supplement

Calzinc Tab — Side Effects & Warnings

Known side effects of Calzinc Tab include nausea, stomach upset, constipation, bloating, metallic taste, diarrhea. Not everyone experiences these side effects.

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026

Common Side Effects

nausea
stomach upset
constipation
bloating
metallic taste
diarrhea

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

Important Warnings

Use with caution in kidney disease, history of kidney stones, hypercalcemia, hyperparathyroidism or vitamin D toxicity. Excess intake may cause hypercalcemia or zinc-related nausea and can reduce absorption of other minerals (iron/copper). Seek medical advice if pregnant/breastfeeding or if taking multiple supplements.

Drug Interactions

Calzinc Tab may interact with the following:

tetracyclines (e.g.
doxycycline)
quinolones (e.g.
ciprofloxacin/levofloxacin)
levothyroxine
bisphosphonates (e.g.
alendronate)
iron supplements
penicillamine
thiazide diuretics

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 at room temperature (below 25°C), protected from moisture and direct light. Keep tightly closed and out of reach of children.

Calzinc Tab — Safety Summary

Prescription: Not required (OTC)
Pregnancy: Consult doctor
Alcohol: Use with caution
Habit forming: No

Calzinc Tab — 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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Discuss side effects with a qualified doctor online.

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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.