Isentress 400 (Raltegravir Tablet) 400mg

Isentress 400mg (Raltegravir) is an antiretroviral medication used in HIV treatment regimens. This 400mg tablet supports viral suppression when combined with other antiretrovirals. Suitable for adults and children weighing at least 25kg. Store at ambient temperature.

Strength

400mg

Pack Size

60s

Storage

Ambient

Manufacturer / TM Owner

MSD

Select Quantity

Pack/s

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Indications & Clinical Uses

Raltegravir 400mg is primarily used to treat HIV-1 infection in combination with other antiretroviral agents. It belongs to the integrase inhibitor class, helping reduce viral load and maintain immune function. This medication is often prescribed for adults and children meeting weight requirements. It is not a cure for HIV but supports long-term viral suppression.

Side Effects

Raltegravir 400mg works by blocking integrase, an enzyme HIV needs to multiply. This helps lower the amount of virus in the body over time. Patients may notice improved energy levels and reduced illness frequency as treatment progresses. Regular use as prescribed is important for maintaining its effects.

Precautions & Warnings

Keep this medication in its original packaging at room temperature, away from moisture and heat. Do not use if the seal is broken or the tablets show signs of damage. Inform your healthcare provider about all current medications and health conditions before starting treatment. Store securely, out of reach of children.

Avoid Interactions

Raltegravir may interact with certain medications, including strong enzyme inducers like rifampin or St. John’s wort. Combining it with these can reduce effectiveness. Always inform your doctor about all prescription, over-the-counter, and herbal products you are using. Alcohol use may affect how your body processes the medication.

Frequently Asked Questions

Raltegravir 400mg is used to treat HIV-1 infection in adults and children weighing at least 25kg, as part of combination therapy.

Store Isentress 400mg tablets at ambient room temperature, away from moisture and direct heat.

Always consult your healthcare provider before combining Raltegravir with other drugs to avoid potential interactions.

Raltegravir helps control HIV by reducing viral load but is not a cure for the infection.

If you miss a dose, take it as soon as you remember unless it is almost time for the next dose; skip the missed dose if it is close to the next scheduled time.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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