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  1. How long does it take to work? Paxlovid starts to work soon after you take it. It works best when taken as soon as possible after getting a positive COVID-19 test and within 5 days of your symptoms starting.

    • kathy.katella-cofrancesco@yale.edu
    • How does Paxlovid work? Paxlovid is an antiviral therapy that consists of two separate medications packaged together. When you take your three-pill dose, two of those pills will be nirmatrelvir, which inhibits a key enzyme that the COVID virus requires in order to make functional virus particles.
    • When should I take Paxlovid? You have to take Paxlovid within five days of developing symptoms. Like all antivirals, Paxlovid works best early in the course of an illness—in this case, within the first five days of symptom onset, says Jeffrey Topal, MD, a Yale Medicine infectious diseases specialist who is involved in determining COVID-19 treatment protocols for Yale New Haven Hospital patients.
    • How often do I take Paxlovid? The standard dose is three Paxlovid pills twice daily for five days for a full course that adds up to 30 pills. It helps that the pills are packaged in a “dose card,” basically a medication blister pack that allows you to punch out the pills as needed.
    • Is Paxlovid similar to Tamiflu? “I think it's a good comparison,” says Dr. Roberts. Tamiflu is an antiviral drug that reduces flu symptoms. Both are prescription-only oral antiviral pills given early in illness.
  2. www.nhs.uk › medicines › paxlovidAbout Paxlovid - NHS

    It's important that you start taking Paxlovid within 5 days of getting COVID-19 symptoms. Paxlovid starts working soon after taking it. Side effects include diarrhoea, vomiting and a change in how food and drink tastes.

  3. Find out how Paxlovid treats COVID-19 and how to take it. NHS medicines information on Paxlovid – what it's used for, side effects, dosage and who can take it.

  4. Jan 11, 2024 · Paxlovid is an antiviral medicine, given as 2 separate tablets to people within 5 days of getting COVID-19 symptoms. It works by stopping the virus from growing and spreading in the body. It’s 2 separate medicines, nirmatrelvir and ritonavir.

  5. May 4, 2022 · Updated 4 May 2022. Paxlovid is an antiviral medicine that stops SARS-CoV-2 (the virus that causes COVID-19) from multiplying in the body. This keeps virus levels in the body low and helps the...

  6. Aug 15, 2022 · You should start taking Paxlovid within 5 days of testing positive. It’s very similar to Tamiflu, which is a medicine for the flu. Treatment won’t work as well if the virus has been in your body for too long. Back to top. How is Paxlovid taken? Paxlovid is 2 separate medicines. The pills are taken together twice per day for 5 days. Back to top.