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Influenza is a virus which affects most people at some point in their lives. Outbreaks are more common in winter, but they can occur during warmer periods too.

  1. Very common seasonal illness
  2. Spread via coughing and sneezing
  3. Preventable with medication


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0 product result(s) for Influenza



  1. Efficient flu drug
  2. Sold in tablet or oral powder forms
  3. Not available from our pharmacy


Influenza, more commonly referred to as the flu, is a condition which most people will encounter at least once. It is a highly contagious virus which causes a variety of symptoms, including headache, a runny or blocked nose, a sore throat, coughing, sneezing, a fever, and muscle ache. Someone with the flu may also experience difficulty sleeping, and a general sense of tiredness.

Flu can be spread from one person to another in several ways. When an infected person coughs or sneezes, they transfer droplets containing the virus into the air. These droplets can remain infectious for as long as 24 hours, and a person might pick up the infection by breathing them into the body.

Another method of transmission is through contaminated surfaces and objects. For instance, infected droplets may settle on a worktop, or be transferred by an infected person to a handheld object. Someone else may contract the virus by coming into direct physical contact with these.

The condition is unpleasant when underway, but for many, the symptoms of flu will usually not last for very long. Generally, the immune system will typically rid the body of infection within one or two weeks. However, those who are more susceptible to viruses, such as those with a weak immune system or an underlying medical condition, may be at risk of developing complications. In these cases, medication may be applied to help limit the development of the infection, or prevent it from occurring in someone who has been exposed to it.

Tamiflu is used to treat influenza. This works by preventing the virus from spreading in the body. To develop, influenza needs to move from one cell to another, colonising each as it progresses. A vital component in this process is an enzyme called neuraminidase. This mobilises the infection and allows it to transport itself from cell to cell.

Tamiflu works by preventing the virus from spreading in the body. To develop, influenza needs to move from one cell to another, colonising each as it progresses. A vital component in this process is an enzyme called neuraminidase. This mobilises the infection and allows it to transport itself from cell to cell.

Tamiflu, which is made by Roche, contains an antiviral ingredient which disables this enzyme. Once the infection is rendered static and becomes isolated, the body is better able to fight it off.

Please note that we do not sell this treatment on our site. To find out more about flu prevention, we recommend you speak to your GP.

Page last reviewed:  06/08/2019
Types of Treatment

Types of Treatment

Many cases of flu are not serious, and be gone within a week or two. However, those who are prone to more severe infections, due to being immunocompromised or having an underlying illness, may be advised to get prescription treatment. This can help to stop the virus from taking hold after a person has come into contact with an infected person; but it can also curb the development of the virus when taken during the initial stages of infection.

Tamiflu is one such example.

How do they work?

Tamiflu contains an antiviral agent, which works by stifling the replication of viral cells in the body. It does this by attaching to an enzyme which the virus needs mobilise itself, and preventing it from working. This isolates the virus and makes it easier for the body to fight it off.

What are the side effects?

More common side effects include headache, feelings of sickness, and skin irritation. Refer to the page for this product for more information.

Can I take it with other medications?

In some cases, Tamiflu may not be suitable for use in conjunction with other products. Let your doctor know which, if any, other drugs you are currently taking.

Page last reviewed:  06/08/2019
Question and Answers

What’s the difference between the medications?

Tamiflu is available as a standard capsule, or as a powder which is made up into an oral suspension solution.

Should I take Tamiflu Hard Capsules or Tamiflu Oral Suspension?

It depends which application method you prefer. For example, those who don’t like swallowing capsules or find doing so difficult, may opt for the oral suspension version. The treatments may also vary in terms of what ingredients they contain, and one choice may be more suitable for you than another.

Refer to the product leaflet to learn more.

Are there side effects?

Yes. Tamiflu may cause a headache or feelings of sickness. Take a look at the leaflet for this item to find out more.

Is it right for me?

We do not provide influenza treatments through our site. To find out more about the treatments available, we recommend you contact your doctor.

Page last reviewed:  06/08/2019

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This content was reviewed by a clinician on

06 August 2019
dr daniel

Dr Daniel Atkinson

(GP Clinical Lead - GMC No. 4624794) 06 August 2019
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