What is Antiflu 75mg (Oseltamivir)?
Antiflu 75mg is a combination of Oseltamivir, an antiviral drug that is typically prescribed to treat and fight the flu (the influenza). It is part of the class of neuraminidase inhibitors. They work by blocking the action of the influenza virus’s enzyme. It helps to prevent the virus from spreading throughout the body.
Oseltamivir can be highly effective against both influenza A and B strains that are the cause of influenza outbreaks during the winter months across Australia and around the world.
How Does Antiflu 75mg Work?
Its active component, Oseltamivir, has been shown to target and block the enzyme neuraminidase that is located on the surfaces of influenza viruses. This enzyme is essential for the virus to expel virus particles, which have been formed in affected cells, and to spread the virus.
In blocking the enzyme neuraminidase, antiflu slowed down the virus replication process, decreasing the duration and severity of flu-related symptoms. The most beneficial dosage is consumed within 48 hours of beginning symptoms.
Why Use Antiflu 75mg?
- Speeds up recovery: Reduces the duration of flu by between 1 to 2 days.
- Reduces complications: Aids in preventing serious complications of the flu, such as pneumonia, particularly in those who are vulnerable, such as older people or those with chronic diseases.
- Can be used preventatively: Reduces the risk of getting the flu among those exposed to those who are infected.
- Oral administration: Simple capsule format, simple to swallow.
How to Take Antiflu 75mg
Recommended Dosage for Treatment
| Patient Group | Dosage | Duration | Notes |
| Adults & children (≥13 years) | 75mg twice daily | 5 days | Start within 48 hours of symptoms |
| Children (1-12 years) | Dosage based on weight (consult doctor) | 5 days | Specific pediatric formulations available |
Dosage for Prevention
- Children and adults over 13 years old: 75 mg once a day for 10 consecutive days
- It is used following an exposure to people who have been diagnosed with the flu
Administration Guidelines
- Drink water with the capsules, either with or without food.
- Take the entire course, even if you notice improvement.
- If you have missed a dose, you should take the dose as quickly as you can, but do not double your next dose.
Possible Side Effects of Antiflu 75mg
The majority of people can tolerate Oseltamivir quite well. However, a few can experience negative side effects, like:
- Nausea or vomiting (often reduced if taken with food)
- Headache
- Diarrhoea
- Fatigue or dizziness
- Rarely, allergic reactions
If you are experiencing extreme side effects, such as trouble breathing, rash, or swelling, get medical assistance immediately.
Important Precautions and Warnings
- Contact your physician if suffer from kidney issues, since dosage adjustments may be required.
- It is not a replacement for the influenza vaccine. Vaccination remains the most effective method of prevention.
- It is not suitable for the treatment of viral infections or the common cold.
- Breastfeeding or pregnant women need to seek advice from their physician before using it.
- Be sure to keep away from young children.
How Quickly Does Antiflu Work?
If it is taken promptly (within 48 hours from the time of the onset of symptoms), Antiflu 75mg can decrease the duration and severity of the symptoms within one to two days. The earlier treatment can reap the most benefits.
Antiflu 75mg vs Other Flu Treatments
| Feature | Antiflu 75mg (Oseltamivir) | Zanamivir (Inhaled) | Baloxavir (Single Dose) |
| Administration Route | Oral capsule | Inhaler | Oral capsule |
| Dosage Frequency | Twice daily (treatment) | Twice daily | Single dose |
| Treatment Duration | 5 days | 5 days | Single dose |
| Effective Against | Influenza A & B | Influenza A & B | Influenza A & B |
| Side Effects | Nausea, headache | Cough, throat irritation | Diarrhea, bronchitis |
| Preventative Use | Yes | Limited | Not currently approved |
Frequently Asked Questions (FAQs)
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What is Antiflu 75mg used for?
Antiflu 75mg treats and can help keep you from getting sick by stopping the influenza virus from multiplying within the body.
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How soon should I start taking Antiflu after flu symptoms begin?
To get the best results, begin at least 48 hours after symptoms begin to decrease in intensity and duration.
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Can Antiflu be used to prevent the flu?
Yes, physicians recommend it to prevent the spread of infection in close contact with the infected.
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Is Antiflu safe during pregnancy?
Consult your doctor. Oseltamivir is typically considered to be safe. Your doctor will evaluate the risks and advantages.
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Can I take Antiflu with other medications?
Make sure you inform your physician of any medications to prevent interactions.
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What should I do if I miss a dose?
Do it as quickly as you can remember it, unless you’re nearing the time to take the next dose. Be sure not to double the dose.
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Does Antiflu replace the flu vaccine?
No. Vaccination is the main way to prevent the flu. It treats the flu or helps prevent it after exposure.
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Are there any common side effects?
Vomiting and nausea are among the most prevalent; however, they are only temporary and mild.
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Can children take Antiflu?
Yes, however, the dosage depends on your weight and age. Follow your physician’s advice.
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How long does a course of Antiflu last?
In general, it takes 5 days for treatment, and 10 days when used as a preventative following the exposure.













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