Isavtris Capsule

Isavuconazole (100mg)

Genuine

Authenticity Assured

Prescription

required

Cold stored

Stored between 2-8°C

Isavtris Capsule is an antifungal medicine. It is used to treat certain types of fungal infections called invasive aspergillosis and invasive mucormycosis in patients 18 years of age and older. It works by stopping the growth of fungi in the body.

Written By Dr. Subita Alagh, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 31 Oct 2025 | 04:32 PM (IST)

₹5505 MRP ₹609010% off

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Same composition alternative:

Isuvaz 100 Capsule

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Available alternative from Glenmark Pharmaceuticals

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Isavtris Capsule

strip of 7 capsules

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Same composition

Isuvaz 100 Capsule

strip of 7 capsules

Isavuconazole (100mg)

by Glenmark Pharmaceuticals Ltd

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General Information

Contains

Isavuconazole (100mg)

Marketer

Mylan Pharmaceuticals Private Limited

Storage

Store in a refrigerator (2 - 8°C). Do not freeze.

The content is shown in English

Product introduction

Isavtris Capsule can be taken with or without food. Take it exactly as your doctor has advised. Swallow the whole capsule, do not chew, crush, dissolve, or open the capsules. Continue to take the medicine until you finish your complete course, even if symptoms disappear after a few days. Stopping it too early may result in a return of the infection.

The most common side effects of this medicine include nausea, vomiting, diarrhea, headache, increased liver enzymes, decreased potassium level in blood, constipation, breathlessness, cough, peripheral edema, and back pain. If any of these side effects persist or worsen, consult with your doctor. In rare cases, Isavtris Capsule may cause serious liver disease. Get medical help right away if you have any symptoms of liver damage, including persistent nausea/vomiting, loss of appetite, stomach/abdominal pain, yellowing eyes/skin, or dark urine.

Before taking the medicine, tell your doctor if you have any known history of allergy to this medicine. Let your doctor also if you have any preexisting medical conditions, especially liver disease and heart problems. This medicine may make you dizzy. Avoid consumption of alcohol while on treatment with this medicine. Additionally, do not drive, use machinery, or do anything that needs alertness until you know how the medicine works. Before taking this medicine, tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding, as it can cause harmful effects to the developing baby.

There is a Patient Support Program / Patient Assistance Program available in India for this medicine, being managed by Tata 1mg. Please contact your prescribing doctor to know more about the same. You may also call on (1800-102-1618) for more details.

Uses of Isavtris Capsule

Treatment of Invasive Aspergillosis
Fungal infections
Severe fungal infections
Dandruff

Benefits of Isavtris Capsule

Treatment of Invasive Aspergillosis
Invasive Aspergillosis occurs when the infection spreads rapidly from the lungs to the brain, heart, kidneys or skin, in patients with compromised immunity, such as those under cancer therapy, bone marrow transplantation or any other immune related disorder. Isavtris Capsule helps treat invasive Aspergillosis and helps you recover faster. Follow your doctor’s instructions carefully while on treatment with Isavtris Capsule.

Side effects of Isavtris Capsule

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 Isavtris

Abnormal liver function tests
Headache
Decreased potassium level in blood
Breathlessness
Nausea
Vomiting
Constipation
Diarrhea

How to use Isavtris Capsule

Take this medicine in the dose and duration as advised by your doctor. Isavtris Capsule may be taken with or without food, but it is better to take it at a fixed time.

How Isavtris Capsule works

Isavtris Capsule contains Isavuconazole, an antifungal medicine that blocks the activity of an enzyme that aids in the synthesis of ergosterol, a key component of the fungal cell membrane. As a result, the fungus fails to grow and multiply. This kills the infection causing fungus and clears the infection.

All substitutes for Isavtris Capsule

For information purposes only. Consult a doctor before taking any medicine.

Quick tips

Isavtris Capsule is used for the treatment of certain fungal infections in adults.
Inform your doctor if you have or ever had an abnormal heart rate or rhythm. He/she may ask you to get a test to check your heart (ECG) before starting the treatment.
Inform your doctor if you experience serious hypersensitivity and severe skin reactions after taking Isavtris Capsule.
Isavtris Capsule might interact with certain antibiotics and pain killers. Inform your doctor if you are taking any.
Let your doctor know if you are pregnant or breastfeeding.
Isavtris Capsule is used for the treatment of certain fungal infections in adults.
Inform your doctor if you have or ever had an abnormal heart rate or rhythm. He/she may ask you to get a test to check your heart (ECG) before starting the treatment.
Inform your doctor if you experience serious hypersensitivity and severe skin reactions after taking Isavtris Capsule.
Isavtris Capsule might interact with certain antibiotics and pain killers. Inform your doctor if you are taking any.
Let your doctor know if you are pregnant or breastfeeding.

Safety advice

Alcohol

UNSAFE

It is unsafe to consume alcohol with Isavtris Capsule.

Pregnancy

CONSULT YOUR DOCTOR

Isavtris Capsule may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor.

Breast feeding

CONSULT YOUR DOCTOR

Isavtris Capsule is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby.

Driving

UNSAFE

Isavtris Capsule may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

SAFE IF PRESCRIBED

Isavtris Capsule is safe to use in patients with kidney disease. No dose adjustment of Isavtris Capsule is recommended.

Liver

SAFE IF PRESCRIBED

Isavtris Capsule is safe to use in patients with liver disease. No dose adjustment of Isavtris Capsule is recommended.
However, clinical monitoring for isavuconazole-related adverse reactions is recommended when treating patients with severe hepatic impairment.

Interaction with drugs

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

Severe

Acalabrutinib (Oral Route)

Isavuconazole may raise blood levels of Acalabrutinib.

Severe

Ranolazine (Oral Route)

Watch out for symptoms of Isavuconazole side effects such as nausea, vomiting, headache, dizziness, constipation or weakness and consult your doctor if you experience them. They may adjust the dose of Isavuconazole accordingly. Isavuconazole may raise blood levels of Ranolazine.

Severe

Pimozide (Oral Route)

Do not consume Pimozide with Isavuconazole.

Severe

Lemborexant (Oral Route)

Do not consume Lemborexant with Isavuconazole. Isavuconazole may raise blood levels of Lemborexant.

Severe

Sirolimus (Injection Route)

If concurrent use is essential, your doctor may monitor your treatment and adjust the doses as per the observations. Sirolimus may increase the metabolism of Isavuconazole.

Frequently asked questions

What is Isavtris Capsule? What is it used for?

Isavtris Capsule is a broad spectrum activity antifungal medicine, which is safe and effective to use. It is used to treat invasive aspergillosis and mucormycosis.

What should I tell my doctor before starting treatment with Isavtris Capsule?

Before starting treatment with Isavtris Capsule, tell your doctor if you have any other health problems, like heart or liver-related issues. This is because certain medical conditions may affect your treatment and you may even need dose modifications. Let your doctor know about all the other medicines you are taking because they may affect, or be affected by, this medicine. Inform your doctor if you are planning a baby, if you are pregnant or breastfeeding.

Who should not take Isavtris Capsule?

Isavtris Capsule should be taken by anyone who is allergic to Isavtris Capsule, or any of its ingredients. Let your doctor know about any medicines that you may be taking like, ketoconazole, carbamazepine, rifampin, long-acting barbiturates, high-dose ritonavir or any herbal supplements, as their use is contraindicated along with Isavtris Capsule. Also, if you have any issues with your heart, discuss with your doctor, as there are certain problems of the heart in which the use of Isavtris Capsule is contraindicated. It is advised to avoid starting any new medicines while on treatment with Isavtris Capsule to avoid any unwanted sid effects. If you are not sure, please consult your doctor.

Can I stop taking Isavtris Capsule when I feel better?

No, do not stop taking Isavtris Capsule without consulting your doctor even if you are feeling better. Your symptoms may improve before the infection is completely cured. Therefore, for better and complete treatment, it is advised to continue your treatment for the prescribed duration.

What if I forget to take a dose of Isavtris Capsule?

If you forget a dose of Isavtris Capsule, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose in the prescribed time. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.

Is Isavtris Capsule safe?

Isavtris Capsule is safe if used in the dose and duration advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.

Fact Box

Chemical Class

Phenyl propane derivatives

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Action Class

Fungal Ergosterol Synthesis Inhibitor

Related lab tests

Culture Fungus

References

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Disclaimer

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: Mylan Pharmaceuticals Private Limited
Address: BLD NO.16, Room No. 1&2, Survey No. 99/1, Village Nimij, Tal: Kalameshwar, Pin 441 501, Nagpur, Maharashtra, India

Vendor Details

Country of origin: India

Lab tests offered by us

Why we need a prescription?

Isavtris Capsule

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Isavtris Capsule

Benefits of Isavtris Capsule

Side effects of Isavtris Capsule

How to use Isavtris Capsule

How Isavtris Capsule works

All substitutes for Isavtris Capsule

Isuvaz 100 Capsule

Cresemba 100mg Capsule

Cresemba 100mg Capsule

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Interaction with drugs

Acalabrutinib (Oral Route)

Ranolazine (Oral Route)

Pimozide (Oral Route)

Lemborexant (Oral Route)

Sirolimus (Injection Route)

Frequently asked questions

What is Isavtris Capsule? What is it used for?

What should I tell my doctor before starting treatment with Isavtris Capsule?

Who should not take Isavtris Capsule?

Can I stop taking Isavtris Capsule when I feel better?

What if I forget to take a dose of Isavtris Capsule?

Is Isavtris Capsule safe?

Fact Box

Chemical Class

Habit Forming

Therapeutic Class

Action Class

Related lab tests

Culture Fungus

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests