Is antiviral drug Tamiflu safe for young children?

Dec 22 2012 - 5:51pm
Tamiflu and flu treatment in infants

Tis the 2012 flu season. On December 21, the Food And Drug Administration (FDA) expanded the use of the antiviral drug Tamiflu (oseltamivir) to treat children as young as two weeks of age who have shown symptoms of influenza (flu) for no longer than two days. In 1999, Tamiflu was approved to treat adults infected with flu who exhibited symptoms for no longer than two days. It has since been approved to treat flu in children ages one year and older who have shown symptoms of flu for no longer than two days, and to prevent flu in adults and children ages one year and older. However, the drug is not approved to prevent flu infection in children younger than one year of age.

In addition, the FDA notes that the safety and efficacy of Tamiflu to treat flu infection has not been established in children younger than two weeks of age.

The FDA expanded the approved use of Tamiflu in children younger than one year based on extrapolation of data from previous study results in adults and older children, and additional supporting safety and pharmacokinetic studies sponsored by both the National Institutes of Health and Roche Group, Tamiflu’s manufacturer. Two safety studies that comprised 135 pediatric with confirmed flu were conducted. Results from these studies showed the safety profile in children younger than 1 year was consistent with the established safety profile of adults and older children. The most common side effects reported with Tamiflu use in this age group were vomiting and diarrhea. Although not seen in the new studies, rare cases of severe rash, skin reactions, hallucinations, delirium, and abnormal behavior have been reported.

According to the American Academy of Pediatrics (AAP), young children are at increased risk of flu-related complications. On November 2, 2011, the academy issued an advisory entitled: “Prevention and Control of Influenza: Special Considerations for Newborns and Very Young Infants.” The AAP noted that children younger than five years of age, especially very young infants (those younger than 12 weeks of age), are at increased risk of influenza-related complications and, therefore, should be observed carefully for any signs and symptoms of influenza. When very young infants younger than 12 weeks of age present with fever and irritability, cough, tachypnea (rapid breathing), or vomiting, their condition warrants comprehensive medical evaluation.


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In general, the AAP recommends that treatment should be considered:

  • For any child younger than two years of age with confirmed or suspected influenza virus infection.
  • When a decrease in duration of clinical symptoms is felt to be warranted by the physician. Early treatment provides the most benefit, particularly if initiated within 48 hours of illness onset.
  • Although influenza testing can be a particularly important tool to prevent the spread of illness, the use of antiviral treatment should not be delayed, whether or not a physician decides to test for influenza.

The AAP notes that newborns and very young infants warrant special consideration. Earlier treatment provides more optimal clinical responses; however, treatment after 48 hours of symptoms in the child with moderate-to-severe disease or with progressive disease might still provide some benefit.

Details for term and preterm infants younger than 12 months of age:


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Of course this drug is unsafe! All drugs are unsafe. Roche, the Swiss company that makes Tamiflu, has refused to release all of its study results—crucial, considering that Roche conducted all the studies. What, you might say, the drug company conducting the studies? Yes, probably triple placebo tested on three blind mice for yellow canaries. It is common for drug companies to “cherry pick” their results, keeping the negative to themselves and giving only positive findings to the regulatory agencies and medical journals. Livestrong said; Tamiflu is not meant to be taken preventatively, as lack of effectiveness does not outweigh the risks. All drugs have 'side effects' also known as allergic responses to the dangerous chemicals which are alien to the human system. Allergic responses deplete the immunity leaving one open to more diseases, leading to more drug use, and so on. The most common adverse side effects from taking Tamiflu products were vomiting, abdominal pain, nose bleeds, ear pain, conjunctivitis, diarrhea but severe allergic reactions, abnormal behavior, confusion, hallucinations and mood or mental changes are possible risks associated with Tamiflu. Tamiflu has not been tested on children younger than 1 and safety has not been established; therefore, it is not recommended for this population. They probably ran out of placebo's or possibly blind mice! The only people you can trust are the undertakers! They are the last ones to let you down!
I was not condoning the use of Tamiflu for anyone--merely reporting that FDA approval had been extended and that the American Academy of Pediatrics current recommendations. The AAP, a respected medical organization, claims that benefits outweigh the risks for infected young children. All medicines have risks and benefits; thus, this must always be weighed. Antibiotics and antivirals have saved lives and caused serious harm, including death. As I mentioned in my article, prevention out-trumps treatment; thus, individuals at risk for flu should discuss vaccination with their healthcare professional.
Hi Robin, The risk and benefits of drugs depend on which side of the fence you stand. Is it a patient? Or your child! It might benefit a lot of people but if the cost includes your child one might look upon it differently. A growing number of doctors have raised concerns over whether the drug is being handed out too readily, putting many at needless risk of side effects when in the majority of instances, swine flu is a mild illness. Allergic responses to the drug involved gastrointestinal problems, such as vomiting and diarrhoea. But there are also cases of heart and eye problems - together with cases of psychiatric disorders and disorders of the nervous system. Last week England's top doctor urged parents to continue giving their children Tamiflu if they come down with swine flu. Sir Liam Donaldson, the chief medical officer, appealed for calm after the release of a study which showed that 53 per cent of children who take it suffer from nausea, nightmares and other reactions.
Good point.