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Eltroxin Tablet Side Effects in Pakistan

A complete guide to the side effects of Eltroxin Tablet. 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:

Side Effects

Quick Answer

Common side effects of Eltroxin Tablet include palpitations or rapid heartbeat if dose is too high and insomnia or anxiety. Serious effects such as angina pectoris or cardiac arrhythmia in patients with underlying heart disease — inform your doctor immediately require immediate medical attention. Most patients tolerate Eltroxin Tablet well at the correct dose. Contact your doctor if any side effect persists or worsens.

Side Effects at a Glance

Common

  • Palpitations or rapid heartbeat if dose is too high
  • Insomnia or anxiety
  • Weight loss and increased sweating with excess dosage

Serious — See a Doctor

  • Angina pectoris or cardiac arrhythmia in patients with underlying heart disease — inform your doctor immediately
  • Osteoporosis (bone density loss) with prolonged supraphysiological dosing — regular monitoring required

When to See a Doctor Immediately

  • Chest pain, palpitations, or irregular heartbeat
  • Worsening fatigue or new symptoms despite treatment
  • Any symptoms suggesting over or under-replacement of thyroid hormone

Eltroxin Tablet Side Effects (Nuksanat)

Eltroxin Tablet (Levothyroxine Sodium) is generally safe when taken at the correct dose. However, like all medicines, it can cause side effects in some patients.

Common Side Effects (Aam Nuksanat)

  • Palpitations or rapid heartbeat if dose is too high
  • Insomnia or anxiety
  • Weight loss and increased sweating with excess dosage

These side effects are usually mild. If they continue, inform your doctor.

Serious Side Effects (Sanjeedah Nuksanat)

  • Angina pectoris or cardiac arrhythmia in patients with underlying heart disease — inform your doctor immediately — see a doctor immediately
  • Osteoporosis (bone density loss) with prolonged supraphysiological dosing — regular monitoring required — see a doctor immediately

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

  • Chest pain, palpitations, or irregular heartbeat
  • Worsening fatigue or new symptoms despite treatment
  • Any symptoms suggesting over or under-replacement of thyroid hormone

Warnings and Precautions (Ihtiyat)

  • Do not use Eltroxin Tablet if you are allergic to Levothyroxine Sodium or any ingredient
  • Not suitable for untreated adrenal insufficiency — treat adrenal problems before starting

Side Effects Summary Table

TypeSide EffectAction
CommonPalpitations or rapid heartbeat if dose is too highMonitor / inform doctor
CommonInsomnia or anxietyMonitor / inform doctor
SeriousAngina pectoris or cardiac arrhythmia in patients with underlying heart disease — inform your doctor immediatelySee a doctor immediately
SeriousOsteoporosis (bone density loss) with prolonged supraphysiological dosing — regular monitoring requiredSee 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 Eltroxin Tablet?

The most commonly reported side effects of Eltroxin Tablet include palpitations or rapid heartbeat if dose is too high and insomnia or anxiety. These are usually mild and go away on their own. Inform your doctor if they persist.

Can Eltroxin Tablet cause allergic reactions?

Yes, like all medicines, Eltroxin Tablet can cause allergic reactions in some people. Signs include rash, itching, swelling, or difficulty breathing. Stop use and seek medical help immediately if this happens.

Is Eltroxin Tablet safe to take for a long time?

Long-term safety depends on the condition and the patient. Your doctor will monitor for any signs of adverse effects if continued use is needed.

What should I do if I experience side effects from Eltroxin Tablet?

For mild side effects, inform your pharmacist. For serious effects such as angina pectoris or cardiac arrhythmia in patients with underlying heart disease — inform your doctor immediately, stop the medicine and contact your doctor immediately or go to the nearest hospital.

Does Eltroxin Tablet affect the liver or kidneys?

Eltroxin Tablet may require dose adjustment in patients with liver or kidney impairment. Your doctor will advise based on your test results and overall health condition.

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

Sources

  1. DRAP Registered Products Database Drug Regulatory Authority of Pakistan
  2. WHO Model List of Essential Medicines, 23rd ed. (2023) World Health Organization
  3. 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.