TIAZAC EXTENDED RELEASE 420 mg/1 (Diltiazem Hydrochloride CAPSULE, EXTENDED RELEASE) 420 mg/1

Tiazac Extended Release 420 mg capsules provide long-lasting diltiazem hydrochloride for cardiovascular support. This extended-release formulation is designed to maintain consistent levels of the active ingredient in the body. Ideal for managing certain heart-related conditions, Tiazac helps support heart health and blood pressure regulation.

Strength

420 mg/1

Pack Size

90 CAPSULE, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (0187-2617-90)

Manufacturer / TM Owner

Bausch Health US, LLC

Select Quantity

Pack/s

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Indications & Clinical Uses

Tiazac Extended Release 420 mg capsules are primarily used to manage certain heart-related conditions. Diltiazem hydrochloride, the active ingredient, is often prescribed to help regulate heart rhythm and support blood pressure management. This medication is commonly used for conditions like angina and hypertension, where consistent control of heart function is essential. Patients may wonder, 'What is Tiazac used for?' and the answer lies in its ability to provide extended relief for cardiovascular issues.

Side Effects

Common effects of Tiazac Extended Release 420 mg capsules may include dizziness, headache, and fatigue. Some users might experience flushing or swelling in the legs. These effects are generally mild and temporary, but if they persist or worsen, it is important to consult a healthcare provider. The extended-release formulation is designed to minimize fluctuations in drug levels, promoting steady cardiovascular support.

Precautions & Warnings

Tiazac Extended Release 420 mg capsules should be handled with care. Store the medication in a cool, dry place away from direct sunlight. It is important to follow the prescribed dosage and administration instructions provided by a healthcare professional. Avoid crushing or chewing the capsules, as this can alter the extended-release mechanism. Always inform your healthcare provider about any other medications you are taking to avoid potential interactions.

Avoid Interactions

Tiazac Extended Release 420 mg capsules may interact with certain medications, including other heart medications, blood pressure drugs, and some antibiotics. Alcohol consumption should be limited, as it can enhance the sedative effects of diltiazem hydrochloride. CYP inhibitors, such as certain antifungals and antidepressants, may also affect the metabolism of this medication. Always consult a healthcare provider before starting or stopping any medication while taking Tiazac.

Frequently Asked Questions

Tiazac is used to manage certain heart-related conditions, such as angina and hypertension, by regulating heart rhythm and supporting blood pressure management.

Tiazac Extended Release capsules should be taken orally, usually once daily, with or without food. Do not crush or chew the capsules to maintain the extended-release mechanism.

Common side effects may include dizziness, headache, fatigue, flushing, and swelling in the legs. These effects are generally mild and temporary.

It is advisable to limit alcohol consumption while taking Tiazac, as it can enhance the sedative effects of the medication.

If you miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and continue with your regular schedule.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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