Sotalex 80mg Tablet

Sotalol (80mg)

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Sotalex 80mg Tablet is used to treat various types of serious irregular heartbeat (arrhythmia) such as fibrillation and tachycardia. It is an anti-arrhythmic type of medicine and rapidly restores your heart to a steady and regular rhythm.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Mekhala Chandra, MD, MBBS,
Last updated on 09 Apr 2026 | 11:38 AM (IST)

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General Information

Contains

Sotalol (80mg)

Marketer

Oriental Pharma

Storage

Store below 30°C

The content is shown in English

Product introduction

Sotalex 80mg Tablet should be taken as advised by your doctor. It may be taken with or without food. Continuous monitoring of blood pressure and heart rate may be needed while taking this medicine. It is important that you keep taking it until your doctor decides it is safe to stop it. If you stop taking this medicine, you may get uneven heartbeats, which can be life-threatening.

The most common side effects of this medicine include nausea, vomiting, taste change, slow heart rate, diarrhea, and sleep difficulty. This medicine can also cause problems with your liver, lungs, nerves and thyroid gland. Ask your doctor what signs to look out for and report any symptoms you have. It takes a long time to clear from the body. You may continue to have side effects after you stop using it. Ask your doctor about ways to prevent or reduce them.

Before getting this medicine, you should let your doctor know if you have low blood pressure, drink a lot of alcohol or have liver, heart or thyroid problems. You should also inform your doctor about all other medicines that you are taking as many can seriously affect or be affected by this medicine. Some medicines like certain antibiotics and medicines for depression and mental illness should be avoided with this medicine.

Pregnant or breastfeeding women should consult their doctor before taking this medicine. Your doctor will carry out regular tests to check your liver and thyroid gland. You may also be advised other blood tests, x-rays, and eye tests both before and during treatment.

Uses of Sotalex Tablet

Arrhythmia

Benefits of Sotalex Tablet

Arrhythmia
Sotalex 80mg Tablet is used to help control irregular heart rhythms by maintaining a steady heartbeat. It reduces the risk of sudden heart-related symptoms like palpitations, dizziness, or fainting, and supports overall heart rhythm stability.

Side effects of Sotalex Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Sotalex

Fatigue
Weakness
Sleep disorder
Slow heart rate
Breathlessness
Arrhythmia (irregular heartbeats)
Dizziness

How to use Sotalex Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Sotalex 80mg Tablet may be taken with or without food.
Avoid Sotalex 80mg Tablet with dairy products such as milk, cheese, curd, butter, paneer and ice cream.

How Sotalex Tablet works

Sotalex 80mg Tablet is an anti-arrhythmic medication. It regulates heart beat by blocking abnormal electrical signals in the heart.

Quick tips

Your doctor may get regular blood tests done to monitor sodium and potassium level, blood sugar level, kidney function, and lung function while you are taking this medicine.
Notify your doctor if you have any heart or kidney problem.
Inform your doctor if you are pregnant, planning pregnancy or breastfeeding.
Please remind your doctor you are taking this medicine every time you visit him and ask him if the medicine can be stopped.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Sotalex 80mg Tablet. Please consult your doctor.

Pregnancy

SAFE IF PRESCRIBED

Sotalex 80mg Tablet is generally considered safe to use during pregnancy. Animal studies do not indicate harmful effects. However, there are limited human studies.

Breast feeding

CONSULT YOUR DOCTOR

Sotalex 80mg Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.

Driving

CONSULT YOUR DOCTOR

It is not known whether Sotalex 80mg Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.

Kidney

CAUTION

Sotalex 80mg Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

SAFE IF PRESCRIBED

Sotalex 80mg Tablet is safe to use in patients with liver disease. No dose adjustment is recommended.

Interaction with drugs

Taking Sotalex with any of the following medicines can modify the effect of either of them and cause some undesirable side effects

Life-threatening

Ranolazine (Oral Route)

Do not consume Ranolazine with Sotalol.

Life-threatening

Sildenafil (Oral Route)

Do not consume Sildenafil with Sotalol.

Life-threatening

Amiodarone (Oral Route)

Do not consume Amiodarone with Sotalol.

Life-threatening

Escitalopram Oxalate (Oral Route)

Do not consume Escitalopram Oxalate with Sotalol.

Life-threatening

Pimozide (Oral Route)

Do not consume Pimozide with Sotalol.

Frequently asked questions

What does Sotalex 80mg Tablet do to the heart?

Sotalex 80mg Tablet blocks certain electrical signals in the heart that can cause an irregular heartbeat (arrhythmia). This way, it helps to restore normal heart rhythm and maintains a regular, steady heartbeat.

How should Sotalex 80mg Tablet be taken?

Sotalex 80mg Tablet should be taken exactly as prescribed by your doctor. Usually, it is taken once or twice daily with or without food. It is to be swallowed whole with water and not to be cut or crushed.

What if I forget to take Sotalex 80mg Tablet?

If you forget a dose of Sotalex 80mg Tablet take it as soon as you remember. However, if it is nearly time for the next dose, skip the missed dose. Do not double the dose for a forgotten dose. Do not stop taking Sotalex 80mg Tablet without consulting your doctor. This is because, sudden discontinuation of the medicine may cause recurrence of irregular rhythm of heart or may be worse which can be dangerous.

Is Sotalex 80mg Tablet safe?

Sotalex 80mg Tablet is generally safe to use. However, you should take it in the dose and duration as advised by your doctor. It may cause some side effects that are temporary and usually resolve on their own. Your doctor will tell you ways to cope up with them.

Can Sotalex 80mg Tablet cause dizziness? How do I prevent it?

Yes. Sotalex 80mg Tablet can cause dizziness as a side effect. If this happens to you, you should sit or lie down until the symptoms pass. However, this is temporary and usually goes away as the treatment continues. Also, you should avoid alcohol while taking it, as it may worsen the dizziness.

What are the warning signals of liver toxicity caused by Sotalex 80mg Tablet?

The warning signals of liver toxicity include yellowing of the skin or eyes (jaundice), tiredness, nausea, vomiting, dark-colored urine, pale-colored stools, loss of appetite, stomach pain or high temperature. Contact your doctor immediately if you experience these symptoms.

What kind of vision problems occur with Sotalex 80mg Tablet?

You may experience blurred vision or see a circle around dazzling light (halos). It may also make your eyes dry or sensitive to light. It can even cause permanent blindness. Therefore, consult your doctor in case you experience any such problems while on Sotalex 80mg Tablet.

Fact Box

Chemical Class

Sulfanilides

Habit Forming

Therapeutic Class

CARDIAC

Action Class

Class III Antiarrhythmics

References

Sampson KJ, Kass RS. Anti-Arrhythmic Drugs. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 839-40.
Nattel S, Gersh BJ, Opie LH. Antiarrhythmic Drugs and Strategies. In: Opie LH, Gersh BJ, editors. Drugs for the Heart. 8th ed. Philadelphia, Pennsylvania: Elsevier Saunders; 2013. pp. 294-95.
Hume JR, Grant AO. Agents Used in Cardiac Arrhythmias. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. p. 242.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 1275-77.
Sotalol hydrochloride. Zug, Switzerland: Covis Pharma; 1992 [revised May 2016]. [Accessed 20 Mar. 2019] (online) Available from:
Chaves RG, Lamounier JA. Breastfeeding and maternal medications. J Pediatr (Rio J). 2004;80(5 Suppl):S189-S198. [Accessed 19 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 19 Mar. 2019] (online) Available from:
CiplaMed. Sotalol [Product Information]. [Accessed 28 Mar. 2023] (online) Available from:
Sotalol hydrochloride. Burbank, CA: Bryant Ranch Prepack; 2026.

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Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Oriental Pharma
Address: A-294, Okhla Phase-1, New Delhi-110 020

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Sotalex 80mg Tablet

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Sotalex Tablet

Benefits of Sotalex Tablet

Side effects of Sotalex Tablet

How to use Sotalex Tablet

How Sotalex Tablet works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Ranolazine (Oral Route)

Sildenafil (Oral Route)

Amiodarone (Oral Route)

Escitalopram Oxalate (Oral Route)

Pimozide (Oral Route)

Frequently asked questions

What does Sotalex 80mg Tablet do to the heart?

How should Sotalex 80mg Tablet be taken?

What if I forget to take Sotalex 80mg Tablet?

Is Sotalex 80mg Tablet safe?

Can Sotalex 80mg Tablet cause dizziness? How do I prevent it?

What are the warning signals of liver toxicity caused by Sotalex 80mg Tablet?

What kind of vision problems occur with Sotalex 80mg Tablet?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

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