Qalsan-D Tablet Side Effects in Pakistan

A complete guide to the side effects of Qalsan-D Tablet (Calcium Carbonate + Vitamin D3). From common effects to serious warnings — everything you need to know is on this page.

Compiled by the PakVita Editorial Team · AI-assisted drafting with editorial review · Sourced from DRAP, WHO, BNF · Last updated: 2026-06-21

Side Effects

Quick Answer

Common side effects of Qalsan-D Tablet include constipation, bloating, and mild nausea. Serious effects such as hypercalcaemia (high blood calcium) with excessive dosing require medical attention. Most patients tolerate Qalsan-D Tablet well at the recommended dose. Contact your doctor if any side effect persists or worsens.

Side Effects at a Glance

Common

Constipation
Bloating or flatulence
Nausea or mild stomach discomfort

Serious — See a Doctor

Hypercalcaemia: confusion, excessive thirst, frequent urination, weakness, kidney stones
Kidney stones (with prolonged very high calcium intake)
Severe allergic reaction (rare): rash, swelling, difficulty breathing

When to See a Doctor Immediately

Excessive thirst, frequent urination, confusion, or unusual weakness
Severe or persistent abdominal pain
Kidney pain or blood in urine (possible kidney stone)
Signs of allergic reaction: rash, swelling, difficulty breathing

Qalsan-D Tablet Side Effects (Nuksanat)

Qalsan-D Tablet (Calcium Carbonate + Vitamin D3) is generally well tolerated at the recommended dose. The most common side effects are gastrointestinal and can be minimised by taking the tablet with food.

Common Side Effects (Aam Nuksanat)

Constipation
Bloating or flatulence
Nausea or mild stomach discomfort

These effects are usually mild. Drink plenty of water and take the tablet with food to reduce them. Inform your doctor if they persist.

Serious Side Effects (Sanjeedah Nuksanat)

Hypercalcaemia: confusion, excessive thirst, frequent urination, weakness, kidney stones — see a doctor immediately
Kidney stones with prolonged very high calcium intake — see a doctor immediately
Severe allergic reaction (rash, swelling, difficulty breathing) — see a doctor immediately

When to See a Doctor (Kab Doctor Se Milna Zaroori Hai)

Excessive thirst, frequent urination, confusion, or unusual weakness
Severe or persistent abdominal pain
Kidney pain or blood in urine (possible kidney stone)
Signs of allergic reaction: rash, swelling, difficulty breathing

Warnings and Precautions (Ihtiyat)

Don't use Qalsan-D Tablet if you have hypercalcaemia or calcium kidney stones
Do not combine with other high-dose calcium supplements without medical advice
Keep track of total calcium intake from diet and all supplements

Side Effects Summary Table

Type	Side Effect	Action
Common	Constipation	Increase water and fibre intake
Common	Bloating	Take with food
Common	Nausea	Take with food
Serious	Hypercalcaemia	Stop; see a doctor immediately
Serious	Kidney stones	Stop; see a doctor immediately

Reporting Side Effects

If you notice any unexpected side effect, report it on the DRAP pharmacovigilance portal: https://www.dra.gov.pk/pharmacovigilance

The information in this guide is for educational purposes only. If you notice any side effect, contact your doctor or pharmacist.

Frequently Asked Questions

What are the most common side effects of Qalsan-D Tablet?

The most common side effects of Qalsan-D Tablet are constipation, bloating, and mild nausea. Drinking plenty of water and taking the tablet with food helps reduce these effects.

Can Qalsan-D Tablet cause allergic reactions?

Severe allergic reactions to Qalsan-D Tablet are rare. Signs include rash, itching, swelling, or difficulty breathing. Stop use and seek medical help immediately if this occurs.

Is Qalsan-D Tablet safe to take for a long time?

Qalsan-D Tablet is safe for long-term use at the recommended dose. However, regular blood tests to check calcium levels are advisable with prolonged supplementation to avoid hypercalcaemia.

What should I do if I experience side effects from Qalsan-D Tablet?

For constipation, increase water intake and dietary fibre. For serious effects such as symptoms of hypercalcaemia (excessive thirst, confusion), stop the supplement and consult your doctor.

Does Qalsan-D Tablet affect the liver or kidneys?

At the recommended dose, Qalsan-D Tablet does not harm the liver. However, very high calcium intake over time can cause kidney stones in susceptible individuals. Patients with kidney disease should use calcium supplements only under medical supervision.

Brand alternatives, same-class options, and other medicines used for the same conditions as Qalsan-D Tablet.

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Sources

DRAP Registered Products Database — Drug Regulatory Authority of Pakistan
WHO Model List of Essential Medicines, 23rd ed. (2023) — World Health Organization
British National Formulary (BNF) — BMJ Group & Pharmaceutical Press

Medical disclaimer

This page is for educational use only and does not replace professional medical advice. Always confirm diagnosis, dose, and interactions with a qualified doctor or pharmacist before starting or changing any medicine.