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Can flu be treated?
Yes. There are prescription medications called “flu antiviral drugs” that can be used to treat flu illness. CDC recommends prompt treatment for people who have flu or suspected flu and who are at higher risk of serious flu complications, such as people with asthma, diabetes (including gestational diabetes), or heart disease.
What are flu antiviral drugs?
Flu antiviral drugs are prescription medicines (pills, liquid, an inhaled powder, or an intravenous solution) that fight against flu viruses in your body. Antiviral drugs are not sold over the counter. You can only get them if you have a prescription from a health care provider. Antiviral drugs are different from antibiotics, which fight against bacterial infections. Antiviral drugs for flu only work to treat flu. Flu antiviral drugs are different than antiviral drugs used to treat other infectious diseases such as COVID-19. Antiviral drugs prescribed to treat COVID-19 are not approved or recommended to treat flu.
What should I do if I think I am sick with flu?
If you get sick with flu, antiviral drugs are a treatment option. Check with your doctor promptly if you are at higher risk of serious flu complications (full list of higher risk factors) and you develop flu symptoms. Flu signs and symptoms can include feeling feverish or having a fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills, and fatigue. However, not everyone with the flu has a fever. Your doctor may prescribe antiviral drugs to treat your flu illness. There are also preventive actions that you can take to protect you and people around you, and actions to prevent the spread of respiratory viruses when you’re sick.
Should I still get a flu vaccine?
Yes. Antiviral drugs are not a substitute for getting a flu vaccine. While flu vaccine can vary in how well it works, a flu vaccine is best way to help prevent seasonal flu and its potentially serious complications. Everyone 6 months and older should receive a flu vaccine every year. Antiviral drugs are a second line of defense that can be used to treat flu (including seasonal flu and novel influenza viruses) if you get sick.
What are the benefits of antiviral drugs?
Treatment of flu with influenza antiviral medications works best when started within 1-2 days after flu symptoms begin and can lessen symptoms and shorten the time you are sick by about a day. Starting antiviral treatment shortly after symptoms begin also can help reduce some flu complications. For adults hospitalized with flu, some studies have reported that early antiviral treatment can reduce their risk of death.
When should antiviral drugs be taken for treatment?
Antiviral treatment provides the greatest benefit when started soon after flu illness begins. Studies show that flu antiviral drugs work best for treatment when they are started within two days of getting sick. However, starting them later can still be beneficial, especially if the sick person is at higher risk of serious flu complications or is in the hospital with more severe illness. Follow instructions for taking these drugs. Follow your doctor’s instructions and the dose, frequency, and duration listed on the label instructions for taking these drugs.
What antiviral drugs are recommended this flu season?
There are four FDA-approved antiviral drugs recommended by CDC to treat flu this season.
Generic oseltamivir and Tamiflu® are available as a pill or liquid suspension and are FDA approved for early treatment of flu in people 14 days and older.
Zanamivir is a powdered medication that is inhaled and approved for early treatment of flu in people 7 years and older. (Note: Zanamivir (trade name Relenza®) is administered using an inhaler device and is not recommended for people with breathing problems like asthma or COPD.) Oseltamivir and zanamivir are given twice a day for five days.
Peramivir is given once intravenously by a health care provider and is approved for early treatment of flu in people 6 months and older.
Baloxavir is a pill given as a single dose by mouth and is approved for early treatment of flu in children aged 5 years to less than 12 years who do not have any chronic medical conditions, and for all people aged 12 years and older. (Note: Baloxavir (trade name Xofluza®) is not recommended for treatment of flu in pregnant people, lactating people, or in outpatients with complicated or progressive illness because there is no information about use of baloxavir in these patients. Baloxavir is also not recommended for treatment of flu in hospitalized patients due to limited data.)
How long should antiviral drugs be taken?
To treat flu, oseltamivir or inhaled zanamivir are usually prescribed for five days, while one dose of intravenous peramivir or one dose of oral Baloxavir are usually prescribed. Oseltamivir treatment is given to hospitalized patients, and some patients might be treated for more than five days.
What are the possible side effects of antiviral drugs?
Side effects vary for each medication. The most common side effects for oseltamivir are nausea and vomiting. Zanamivir can cause bronchospasm, and peramivir can cause diarrhea. Other less common side effects also have been reported. Your health care provider can give you more information about these drugs or you can check the Food and Drug Administration (FDA) website for specific information about antiviral drugs, including the manufacturer’s package insert.
Can children take antiviral drugs?
Yes, though this varies by medication. Oseltamivir is recommended by CDC for treatment of flu in children beginning from birth and the American Academy of Pediatrics (AAP) recommends oseltamivir for treatment of flu in children 2 weeks old or older.
- Oseltamivir is available as an oral suspension for children.
- Zanamivir is approved for early treatment of flu in people 7 years and older, though it is not recommended for use in children with underlying respiratory disease, including asthma and other chronic lung diseases.
- Peramivir is approved for early treatment in people 6 months and older.
- Baloxavir is available in a single dose tablet for children aged 5 years and older. While an oral Baloxavir suspension (liquid) medication is approved by FDA, this product is not available for the 2022-2023 flu season.
If your child’s health care provider prescribes oseltamivir capsules for your child and your child cannot swallow capsules, the prescribed capsules may be opened, mixed with a thick sweetened liquid, and given that way. Learn more here.
Can pregnant people take antiviral drugs?
Yes. Oral oseltamivir is recommended for treatment of pregnant people with flu because compared to other recommended antiviral medications, it has the most studies available to suggest that it is safe and beneficial during pregnancy. Baloxavir is not recommended for pregnant people or while breastfeeding, as there are no available efficacy or safety data.
Who should take antiviral drugs?
It’s very important that flu antiviral drugs are started as soon as possible to treat patients who are hospitalized with flu, people who are very sick with flu but who do not need to be hospitalized, and people who are at higher risk of serious flu complications based on their age or health, if they develop flu symptoms. Although other people with mild illness who are not at higher risk of flu complications may also be treated early with antiviral drugs by their doctor, most people who are otherwise healthy and not at higher risk for flu complications do not need to be treated with antiviral drugs.
Source of original article: Centers for Disease Control and Prevention (CDC) / CDC Features Series (tools.cdc.gov).
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