Tamiflu Prescriptions Reveal Shocking Flu Trend

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A recent report published by the Centers for Disease Control and Prevention (CDC) confirmed what we already knew: this year’s flu is bad. Since October, widespread influenza activity has been reported in 49 states, resulting in 20 pediatric deaths and more than 6,000 influenza-related hospitalizations thus far. These rates surpass last year’s total numbers – and it’s only January.

One more way to see how bad the flu is this season: prescriptions for Tamiflu (oseltamivir), the most popular antiviral medication for treating the flu, are way up. According to a GoodRx analysis based on a significant sample of US pharmacy fills, Tamiflu fills are 640% above this time last year.

What’s more, it’s only January. As you can see below, fills for Tamiflu peaked in February of last year, indicating that the flu was the most widespread during that time. It’s possible that there is still more to come this year.

Why Tamiflu?

If taken within the first 28 hours of getting the flu, Tamiflu can work to block the actions of influenza in your body, and shorten the duration of the virus. You can also take Tamiflu for up to six weeks to prevent you from getting the flu. Not surprisingly, Tamiflu is prescribed more often between the months of October and March, during flu season. Despite the surge of prescriptions, there are some doubts about whether Tamiflu is even effective for treatment or prevention – more on that below.

A shortage in Tamiflu

The high volume of Tamiflu prescriptions at this point in the season has resulted in a shortage of the medication. While the FDA has not yet confirmed this shortage, doctors and pharmacists in both urban and rural areas are reporting difficulty in accessing Tamiflu for their patients.

Those unable to access Tamiflu this year do have other options. Besides Tamiflu, there are two other influenza medications: Relenza and Rapivab. Both are considered just as effective as Tamiflu and may be easier to access this year. For more information on these medications, see our post here.   

Over the counter medications can also help ease symptoms. Read here for more details on over the counter flu medications.

Is it effective?

Tamiflu is sometimes treated as a cure for all cases of the flu, but recent studies call this reputation into question. According to a study-of-studies, or meta-analysis, performed by CochraneResearch of 46 studies involving more than 24,000 people, Tamiflu may provide a much smaller benefit than expected. At best, the analysis found that Tamiflu may only help patients recover one day faster, and may not reduce the number of flu-related complications, like pneumonia. Additionally, it may only reduce the risk of getting sick by 55%. At over $50 per prescription for generic oseltamivir, for some, the benefits may not outweigh the cost.

While these findings don’t negate the use of Tamiflu, they may indicate that it is less protective than we had previously thought.

Tamiflu side effects

There has been recent concern about Tamiflu’s side effects, especially in younger children. Recently, a 6-year-old girl reportedly attempted to jump out of her bedroom window during a hallucination while taking Tamiflu.  The FDA has warned of similar side effects previously, noting that:

“Children and teenagers with the flu may be at a higher risk for seizures, confusion, or abnormal behavior early during their illness. These serious side effects may happen shortly after beginning Tamiflu of may happen in people when the flu is not treated. These serious side effects are not common but may result in accidental injury to the patient. People who take Tamiflu should be watched for sins of unusual behavior and a healthcare provider should be contacted right away if the patient shows any unusual behavior while taking Tamiflu.”

More common side effects include nausea, vomiting, headache, and pain. Be sure to speak with your doctor if you or a loved one experience any of these side effects for a prolonged period of time.

Why is the flu so bad this year?

This year’s flu is different from past year’s. The reason? Around 80% of flu cases this year involved H3N2, a strain of the influenza A virus that is more dangerous and results in more complications. H3N2 is generally also harder to prevent with the flu vaccine, and this seems to be true this year. Experts say that this year’s flu vaccine may be only 10% effective.

How can you protect yourself?

  • You can still get your flu vaccine. Even though the flu shot may only 10% effective against this year’s flu, you may still want to consider getting it. Even if you get sick, a flu vaccine can also help ease the severity and duration of the virus.
  • Visit your doctor immediately. When true flu symptoms hit, go to the doctor. The sooner you visit, the sooner you can get your prescription for an antiviral medication.
  • Wash your hands. This may go without saying, but washing your hands is your best weapon against the flu virus.
  • Exercising may help. While heavy exercise may predispose you to the flu, a moderate amount may be protective.

Continue at: https://www.goodrx.com/blog/tamiflu-prescriptions-reveal-shocking-flu-trend/

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