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compositionComposition:OSELTAMIVIR-75MG
prescription
Prescription Medicine
info
Fluvir Capsule 10's
Fluvir Capsule 10's
Fluvir Capsule 10's

Fluvir Capsule is used to treat viral infections. It contains Oseltamivir, which stops the proliferation of viruses and treats viral infections. In some cases, you may experience nausea, abdominal pain, vomiting, and diarrhoea. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.

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Written By Veda Maddala , M Pharmacy
Reviewed By Bayyarapu Mahesh Kumar , M Pharmacy
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More about the Product

Composition :

OSELTAMIVIR-75MG

Manufacturer/Marketer :

Hetero Healthcare Pvt Ltd

Consume Type :

Oral

Expires on or after :

Jan-27

Return Policy :

Not Returnable

About Fluvir Capsule

Fluvir Capsule is an oral medicine used to treat and prevent the flu (influenza) in both adults and children. Its primary medical purpose is to target the flu virus directly, helping to stop it from spreading throughout your body. By acting early, it helps ease your symptoms and speeds up your path to feeling better.

To get the best results, you should take this medicine consistently as prescribed, typically once or twice a day. You can take Fluvir Capsule with or without food, though taking it with a meal can reduce your chances of an upset stomach. Combining this with bed rest and drinking lots of fluids will support your recovery.

While taking Fluvir Capsule , some people may experience mild side effects like nausea or a headache. However, you must contact your doctor right away if you notice severe issues like sudden confusion, unusual behavioural changes, or a painful rash. Keeping your doctor informed of any major changes is highly important.

Before starting Fluvir Capsule , talk to your doctor if you have kidney problems, heart conditions, or a weakened immune system. Do not take this medicine if you have had a severe allergic reaction to it in the past. Sharing your medical history ensures this treatment is safe for you.

Additionally, inform your doctor about other medicines you use, as some vaccines can interact with this medicine. If you are pregnant, breastfeeding, or an older adult, consult your healthcare provider before use. It is also best to avoid alcohol, which can dehydrate you and slow down recovery.

Uses of Fluvir Capsule

Fluvir Capsule is used in the treatment of influenza (cough, stuffy nose, sore throat, chills/fevers, and tiredness). The detailed uses of Fluvir Capsule are as follows:

  • Influenza (Flu) treatment: Fluvir Capsule is used to treat infections caused by the influenza virus. It helps shorten the time you are sick and reduces symptoms like fever, cough, and body aches, especially when started within two days of feeling ill.
  • Influenza (Flu) prevention: Fluvir Capsule is prescribed to help prevent the flu in people who have been exposed to someone with the virus, or during community outbreaks, acting as a protective barrier while the body builds resistance.

Key Benefits

Fluvir Capsule helps reduce flu symptoms and supports a quicker recovery, making it easier for you to return to your usual daily activities. It can help you feel better sooner by easing common flu symptoms such as fever, chills, sore throat, body aches, and tiredness. Early treatment may also lower the chance of developing certain flu-related complications, especially in people at higher risk.
Benefits may include:

  • Helps shorten the duration of flu symptoms
  • Reduces fever, body aches, sore throat, and chills
  • Improves comfort and supports a faster return to daily activities
  • Helps lower the risk of flu-related complications
  • Supports recovery in people at higher risk of severe illness
  • Provides reassurance by helping manage flu symptoms effectively
Side effects of Fluvir Capsule
Overcome Medication-Induced Nausea: A 9-Step Plan
  • Inform your doctor about the nausea and discuss possible alternatives to the medication or adjustments to the dosage.
  • Divide your daily food intake into smaller, more frequent meals to reduce nausea.
  • Opt for bland, easily digestible foods like crackers, toast, plain rice, bananas, and applesauce.
  • Avoid certain foods that can trigger nausea, such as fatty, greasy, spicy, and smelly foods.
  • Drink plenty of fluids, such as water, clear broth, or electrolyte-rich beverages like coconut water or sports drinks.
  • Use ginger (tea, ale, or candies) to help relieve nausea.
  • Get adequate rest and also avoid strenuous activities that can worsen nausea.
  • Talk to your doctor about taking anti-nausea medication if your nausea is severe.
  • Record when your nausea occurs, what triggers it, and what provides relief to help you identify patterns and manage your symptoms more effectively.
To prevent, manage, and treat Constipation caused by medication usage, follow these steps:
  • Preventing Vomiting (Before it Happens)
  • Take medication exactly as prescribed by your doctor. This can help minimize side effects, including vomiting.
  • Having a small meal before taking your medication can help reduce nausea and vomiting.
  • Talk to your doctor about taking anti-nausea medication along with your prescribed medication.
  • Managing Vomiting (If it Happens)
  • Try taking ginger in the form of tea, ale, or candy to help alleviate nausea and vomiting.
  • What to Do if Vomiting Persists
  • Consult your doctor if vomiting continues or worsens, consult the doctor for guidance on adjusting your medication or additional treatment.
  • Drink water or other clear fluids.
  • To prevent worsening of pain, limit intake of tea, coffee, or alcohol.
  • Include bland foods like rice, toast, crackers, and rice in your diet.
  • Avoid lying down immediately after eating as it may cause indigestion or heartburn.
  • Avoid acidic and spicy food as it may cause indigestion.
Here are the precise steps to cope with diarrhoea caused by medication usage:
  • Inform Your Doctor: Notify your doctor immediately about your diarrhoea symptoms. This allows them to adjust your medication or provide guidance on managing side effects.
  • Stay Hydrated: Drink plenty of fluids to replace lost water and electrolytes. Choose water, clear broth, and electrolyte-rich drinks. Avoid carbonated or caffeinated beverages to effectively rehydrate your body.
  • Follow a Bland Diet: Eat easy-to-digest foods to help firm up your stool and settle your stomach. Try incorporating bananas, rice, applesauce, toast, plain crackers, and boiled vegetables into your diet.
  • Avoid Trigger Foods: Steer clear of foods that can worsen diarrhoea, such as spicy, fatty, or greasy foods, high-fibre foods, and dairy products (especially if you're lactose intolerant).
  • Practice Good Hygiene: Maintain good hygiene to prevent the spread of infection. To stay healthy, wash your hands frequently, clean and disinfect surfaces regularly, and avoid exchanging personal belongings with others.
  • Take Anti-Diarrheal Medications: If your doctor advises, anti-diarrheal medications such as loperamide might help manage diarrhoea symptoms. Always follow your doctor's directions.
  • Keep track of your diarrhoea symptoms. If they don't get better or worse or are accompanied by severe stomach pain, blood, or dehydration signs (like extreme thirst or dark urine), seek medical help.

Directions for Use

  • Take this medicine by mouth, exactly as directed by your doctor. It is typically prescribed to be taken once or twice a day, depending on whether you are preventing or treating the flu.
  • You can take Fluvir Capsule with or without food. However, taking it with a meal, snack, or glass of milk can help prevent nausea or an upset stomach.
  • Swallow Fluvir Capsule as a whole with a full glass of water. Do not crush, chew, or open the capsules unless specifically instructed by your doctor.
  • Complete the full course of treatment even if you start to feel better after a few days. Stopping the medicine too early may allow the virus to return.

How Fluvir Capsule Works

Fluvir Capsule belongs to a group of medicines known as neuraminidase inhibitors. When the influenza virus enters your body, it infects your cells and replicates. To spread to healthy neighbouring cells and continue the infection, the virus relies on a specific enzyme on its surface called neuraminidase. Fluvir Capsule works by binding to and blocking this enzyme. Because the virus cannot use this tool to break free, the newly formed viral particles remain trapped inside the already infected cells. This halts the spread of the virus within your respiratory system, giving your body's natural defence system the time and upper hand it needs to clear the remaining infection.
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Alcohol

Caution

Alcohol is not known to cause any unpleasant side effects if taken along with Fluvir Capsule . But the intake of alcohol may damage your liver. So intake of Fluvir Capsule should be avoided with Fluvir Capsule .

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Pregnancy

Caution

Fluvir Capsule is a pregnancy Category C medicine. It is not known whether Fluvir Capsule will affect pregnant women or the fetus. However, the intake of Fluvir Capsule should not be associated with an increased risk of congenital disabilities.

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Breast Feeding

Consult your doctor

Fluvir Capsule passes into the milk in smaller quantities, but it gives a therapeutic effect to the baby. However, consult your doctor if you are breastfeeding before taking Fluvir Capsule .

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Driving

Unsafe

Fluvir Capsule can affect alertness and coordination. So, operating machinery which requires concentration should be avoided.

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Liver

Unsafe

Not safe because Fluvir Capsule interacts with liver disease.

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Kidney

Unsafe

Not safe because Fluvir Capsule has an interaction with kidney disease.

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Children

Caution

The safety and efficacy of Fluvir Capsule in children have not been established. Hence, contact your doctor.

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Heart

Consult your doctor

Let your doctor know if you have any history of heart disease before using Fluvir Capsule .

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Geriatrics

Consult your doctor

Please consult a doctor if you have any concerns regarding the use of Fluvir Capsule in elderly patients.

What if I have taken an overdose of Fluvir Capsule

If you accidentally take too much Fluvir Capsule , seek medical attention immediately or contact your local poison control centre. Symptoms of an overdose may include severe nausea, vomiting, or dizziness. Always keep your medicine bottle or packaging with you so the healthcare team knows exactly what you have taken.

Diet & Lifestyle Advise

  • Stay well hydrated: Drink plenty of water, herbal teas, or clear broths throughout the day. Hydration is vital when fighting a viral infection, as it helps thin mucus and keeps your body strong.
  • Get ample rest: Give your body the energy it needs to fight off the virus by getting plenty of sleep and avoiding strenuous physical activities until you are fully recovered.
  • Take with a light meal: To prevent the common side effect of nausea, schedule your doses to coincide with a small meal or snack.
  • Practice good hygiene: Wash your hands frequently with soap and water, cover your mouth when coughing or sneezing, and stay home from work or school to prevent spreading the flu to others.

Have a query?

How Soon It Starts Working

  • The time required for Fluvir Capsule to start to work: The time required for Fluvir Capsule to show its action is not clinically established.
  • The time for which the effects of Fluvir Capsule last: The duration of action for Fluvir Capsule is not clinically established.

What if you forget to take Fluvir Capsule

If you miss a dose of Fluvir Capsule , take it as soon as you remember. However, if your next scheduled dose is less than 2 hours away, skip the missed dose and resume your regular dosing schedule. Do not take two doses at the same time to make up for a missed one. If you are unsure of what to do, talk to your doctor or pharmacist.

Storage

• Store in a cool and dry place away from sunlight. • Keep out of sight and reach of children. • Non cold chain - To be stored in cool places at 10ºC to 25ºC or below 30ºC.

Drug Warnings

  • Start early for best results: This medicine is most effective when started within 48 hours of your first flu symptoms. Delaying treatment may reduce its benefits.
  • Watch for mental health changes: Keep a close eye on children and teens taking Fluvir Capsule . If they show sudden signs of confusion, agitation, self-harm, or other unusual behaviours, stop the medicine and contact a doctor immediately.
  • Manage vaccine timing: Avoid receiving the live nasal spray flu vaccine within 2 weeks before or 48 hours after taking Fluvir Capsule , as this medicine may prevent the vaccine from working properly. Injectable flu shots are unaffected.
  • Check for allergies: Before taking the first dose, verify that you have no history of severe reactions to any ingredients in the capsule.
  • Finish the full bottle/pack: Do not stop taking the medicine early, even if you feel completely recovered, as stopping prematurely can cause the flu symptoms to return.

Drug-Drug Interactions

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Drug-Drug Interactions:

  • Live Flu Vaccine (Nasal Spray): This medicine can stop the live virus in the nasal vaccine from multiplying, making the vaccine less effective. Do not take this medicine near the time of receiving the live vaccine unless directed by your doctor.
  • Medicines used to treat gout (e.g., Probenecid): Taking this gout medication alongside Fluvir Capsule can increase the levels of the active medicine in your blood, which may raise the risk of side effects. Your doctor may need to monitor your dosing closely.

Drug-Food Interactions:

  • No clinically significant food interactions are known with Fluvir Capsule .

Drug-Disease Interactions:

  • Kidney Disease: If you have moderate to severe kidney problems, your body may struggle to clear this medicine. Your doctor may need to prescribe a lower dose or a different treatment schedule to avoid build-up in your system.
No Drug - Drug interactions found in our data. We may lack specific data on this medicine and are actively working to update our database. Consult your doctor for personalized advice

Drug-Drug Interactions

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Drug-Food Interactions

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No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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All Substitutes & Brand Comparisons

Habit Forming

No

Therapeutic Class

[ANTIVIRALS]

FAQs

Fluvir Capsule is used to treat viral infections. It plays a vital role in treating symptoms caused by the influenza virus. It is used to treat cough, a stuffy nose, a sore throat, chills and fever, and tiredness.
If you miss a dose of Fluvir Capsule , take the missed dose as soon as you remember it. However, if it is almost time for the next dose, do not take a double dose to make up for a missed one.
Fluvir Capsule contains oseltamivir, which is an antiviral medication. It blocks the enzyme present on the surface of a virus that helps the viruses enter uninfected cells of the body to cause influenza infection in the body. As a result, this stops the proliferation of viruses and slowly leads to the viral infection clearing up.
Do not stop taking Fluvir Capsule without talking to your doctor. If you suddenly stop taking Fluvir Capsule , you may experience confusion, fever, changes in mental state, or severe muscle stiffness. Your doctor will probably decrease your dose gradually depending on your disease condition.
Fluvir Capsule is not used for the common cold, sore throat, or sinus infection. It is used for symptoms of influenza viral infection.
Fluvir Capsule may be taken with antibiotics only if recommended by the doctor. Talk to your doctor before use.
Fluvir Capsule is not likely to cause high blood pressure. If you experience any of these symptoms, please consult your doctor.
No, it is not a steroid. It is an antiviral medication.
While specific dosing instructions will vary depending on your individual needs and medical history. Always follow your doctor's prescribed dosage and timing for taking these medications.
Fluvir Capsule is not currently approved for treating COVID-19, which is caused by the SARS-CoV-2 coronavirus, although it is being used in clinical trials.
Fluvir Capsule contains oseltamivir, which is an antiviral medication.
Tamiflu is a brand of oseltamivir that comes in a capsule form.
Take Fluvir Capsule within 48 hours of flu symptom onset. It’s best to take Fluvir Capsule with food; there is less chance of stomach upset if you take it with a light snack or meal.
Common side effects of Fluvir Capsule may include nausea, abdominal pain, vomiting, and diarrhoea. Most of these side effects of Fluvir Capsule are temporary, do not require medical attention, and gradually resolve over time. However, if the side effects are persistent, reach out to your doctor.
Fluvir Capsule is not either an antibiotic or sulfa drug. It is an antiviral medication.
Fluvir Capsule does not treat colds or infections caused by bacteria or other viruses.
Oseltamivir-Azithromycin combination therapy was found to be more efficacious as compared to oseltamivir alone in rapid recovery and prevention of influenza-associated complications, especially in high-risk patients. However, it should be taken only if prescribed by the doctor.
Fluvir Capsule is a prescribed medication; it is available only with your doctor's prescription.
Consume only if the doctor prescribes you. Never encourage self-medication or suggest your medicine to someone else.
Yes, Fluvir Capsule is safe effective medication used to treat Influenza flu (cough, stuffy nose, sore throat, chills/fevers, and tiredness).
It depends on your individual medical condition and response to the medication. Your doctor will determine the appropriate duration of treatment based on your specific needs.
You should start taking Fluvir Capsule as soon as possible, ideally within 48 hours of your first symptoms. Starting it early helps the medicine work most effectively to reduce the severity and duration of the flu. Talk to your doctor or pharmacist if you have questions about the timing of your dose.
If you are pregnant or breastfeeding, you should talk to your doctor before taking Fluvir Capsule . Your doctor will help you weigh the benefits of treating the flu against any potential risks to your baby.
If you experience an upset stomach, nausea, or vomiting, try taking Fluvir Capsule with food or a small snack. This simple step often helps reduce stomach-related side effects. If the discomfort continues or is severe, talk to your doctor or pharmacist.
While there is no direct chemical reaction between Fluvir Capsule and alcohol, it is best to avoid drinking alcohol while you are recovering from the flu. Alcohol can dehydrate your body and weaken your immune system, making it harder for you to recover quickly. Talk to your doctor if you have concerns about alcohol use during treatment.

Disclaimer

While we strive to provide complete, accurate, and expert-reviewed content on our 'Platform', we make no warranties or representations and disclaim all responsibility and liability for the completeness, accuracy, or reliability of the aforementioned content. The content on our platform is for informative purposes only, and may not cover all clinical/non-clinical aspects. Reliance on any information and subsequent action or inaction is solely at the user's risk, and we do not assume any responsibility for the same. The content on the Platform should not be considered or used as a substitute for professional and qualified medical advice. Please consult your doctor for any query pertaining to medicines, tests and/or diseases, as we support, and do not replace the doctor-patient relationship.

Reference

  1. CiplaMed Clinical Compendium. Antiflu Capsules Suspension Product Specification Guide. Mumbai, India: Cipla; 2024. [Accessed on 02 Jun. 2026] Check here
  2. Drugs.com Clinical Review Team. Oseltamivir Clinical Drug Monograph. Auckland, NZ: Drugs.com; 2026. [Accessed on 02 Jun. 2026] Check here
  3. WebMD Medical Reference Review Board. Details Drug and Treatment Monograph. Atlanta, GA: WebMD; 2026. [Accessed on 02 Jun. 2026] Check here
  4. ANTIFLU Capsules [Internet]. CiplaMed. 2021 [Accessed on 14 Oct 2025] Check here
  5. Roche Products Ltd. Electronic Medicines Compendium (EMC). [Revised in January 2022] [Accessed on 12th May 2022] Check here
  6. CDSCO [Internet]. Cdscoonline.gov.in. 2021 [Accessed on 19 May 2021] Check here
  7. Karen McClellan & Caroline M. Perry. Oseltamivir -A Review of its Use in Influenza. Drugs journal. January 2013. [Accessed on 12th May 2022]Check here

Country of origin

INDIA

Manufacturer/Marketer address

7-2-A2, Hetero Corporate, Industrial Estates, Sanath Nagar, Hyderabad – 500 018. Telangana, INDIA
Other Info - FLU0174

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