Medications

Paxlovid 5-Day

Paxlovid 5-Day

Previously Found with Medfinder

Comprehensive medication guide to {drug} including estimated pricing, availability information, side effects, and how to find it in stock at your local pharmacy.

Estimated Insurance Pricing
$0–$75 copay with most commercial insurance or Medicare Part D; prior authorization may be required.
Estimated Cash Pricing
$1,400–$1,600 for a 5-day course without insurance; eligible patients may pay $0 through Pfizer's PAXCESS program.
Medfinder Findability Score
55
/100
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Post Author

Peter Daggett

Last Updated

February 14, 2026

Paxlovid 5-Day 2026 Availability, Prices, and Tips to Find

What Is Paxlovid 5-Day?

Paxlovid 5-Day is an oral antiviral medication manufactured by Pfizer used to treat mild-to-moderate COVID-19 in adults who are at high risk for progressing to severe illness, hospitalization, or death. It is a combination of two medications — Nirmatrelvir and Ritonavir — co-packaged together. Treatment must be started within 5 days of COVID-19 symptom onset and is taken twice daily for a full 5-day course.

How does Paxlovid 5-Day work?

Paxlovid contains two active ingredients that work together. Nirmatrelvir is a SARS-CoV-2 main protease (3CL protease) inhibitor — it blocks a key enzyme the virus needs to replicate, stopping the virus from multiplying in your body. Ritonavir acts as a pharmacokinetic enhancer by inhibiting CYP3A enzymes, which slows the breakdown of Nirmatrelvir in your body. This keeps Nirmatrelvir at effective concentrations for longer, making the treatment more potent.

What doses are available for Paxlovid 5-Day?

  • Standard dose (normal renal function): Nirmatrelvir 300 mg (two 150 mg tablets) + Ritonavir 100 mg (one 100 mg tablet), taken together twice daily for 5 days
  • Reduced dose (moderate renal impairment, eGFR 30–59 mL/min): Nirmatrelvir 150 mg (one tablet) + Ritonavir 100 mg (one tablet), taken together twice daily for 5 days

Paxlovid comes as a co-packaged set of Nirmatrelvir 150 mg tablets and Ritonavir 100 mg tablets.

How hard is it to find Paxlovid 5-Day in stock?

Paxlovid 5-Day has a findability score of 55 out of 100, meaning it can be intermittently difficult to locate. While Paxlovid is not currently on the FDA drug shortage list, many pharmacies do not routinely stock it due to its high cost and limited shelf life. Availability tends to fluctuate during COVID-19 surges, particularly in winter months. You may need to call several pharmacies or use Medfinder to locate a pharmacy with Paxlovid in stock near you.

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Who Can Prescribe Paxlovid 5-Day?

Paxlovid can be prescribed by a range of healthcare providers, including:

  • Primary care and family medicine physicians
  • Internal medicine doctors
  • Infectious disease specialists
  • Emergency medicine physicians
  • Urgent care providers
  • Pulmonologists
  • Geriatric specialists

Paxlovid is also available through telehealth consultations, making it convenient to get a prescription without an in-person visit. Some pharmacists may also be authorized to prescribe Paxlovid under state-specific protocols.

Is Paxlovid 5-Day a controlled substance?

No, Paxlovid 5-Day is not a controlled substance and has no DEA scheduling. It does not have abuse potential and is not subject to the prescribing restrictions that apply to controlled medications. A standard prescription is all that is needed.

Common Side Effects of Paxlovid 5-Day

  • Dysgeusia (altered or metallic taste): The most commonly reported side effect — many patients describe a bitter or metallic taste in the mouth during treatment
  • Diarrhea
  • Hypertension (elevated blood pressure)
  • Myalgia (muscle aches)

Serious but rare side effects include anaphylaxis, severe skin reactions (Stevens-Johnson syndrome, toxic epidermal necrolysis), and hepatotoxicity. Seek immediate medical attention if you develop a rash, difficulty breathing, or signs of liver problems.

Alternative Medications to Paxlovid 5-Day

  • Lagevrio (Molnupiravir): An oral antiviral by Merck available under EUA for high-risk adults with mild-to-moderate COVID-19. It has fewer drug interactions than Paxlovid but is considered less effective.
  • Remdesivir (Veklury): An FDA-approved IV antiviral by Gilead administered as a 3-day infusion for outpatients. Requires visits to an infusion center.
  • Convalescent Plasma: Available under EUA for immunocompromised patients, administered via IV infusion.
  • Monoclonal Antibodies: Availability varies based on circulating COVID-19 variants. Pemgarda is authorized for pre-exposure prophylaxis in immunocompromised patients.

Drug Interactions with Paxlovid 5-Day

Paxlovid has significant drug interactions due to Ritonavir's potent CYP3A inhibition. It is critical to review all medications with your prescriber before starting Paxlovid.

  • Statins: Lovastatin and Simvastatin are contraindicated; Atorvastatin and Rosuvastatin require dose reduction
  • Blood thinners: Rivaroxaban and Apixaban (increased bleeding risk); Warfarin (monitor INR closely)
  • Immunosuppressants: Tacrolimus, Cyclosporine, Sirolimus, Everolimus — levels increase drastically and require close monitoring
  • Sedatives: Oral Midazolam and Triazolam are contraindicated; Alprazolam needs dose reduction
  • Antiarrhythmics: Amiodarone, Flecainide, and Propafenone are contraindicated
  • Anticonvulsants: Carbamazepine, Phenobarbital, and Phenytoin reduce Paxlovid's effectiveness and should not be used together
  • Calcium channel blockers: Amlodipine, Nifedipine, and Felodipine levels may increase — monitor closely
  • Colchicine: Contraindicated in patients with renal or hepatic impairment
  • Erectile dysfunction drugs: Sildenafil and Tadalafil levels increase — dose reduction needed
  • Hormonal contraceptives: Ethinyl Estradiol levels may decrease — use backup contraception

Always provide your doctor with a complete list of all medications, supplements, and herbal products you take. St. John's Wort is contraindicated as it significantly reduces Paxlovid's effectiveness.

Final Thoughts on Paxlovid 5-Day

Paxlovid 5-Day remains one of the most effective oral treatments for COVID-19 in high-risk patients when started early. While the cash price of $1,400–$1,600 can be daunting, most insured patients pay $0–$75, and Pfizer's PAXCESS program can reduce costs to $0 for eligible patients. The biggest challenge is finding it in stock — not every pharmacy carries it due to cost and shelf-life constraints. If your pharmacy doesn't have it, use Medfinder to locate a pharmacy near you with Paxlovid in stock. Remember to start treatment within 5 days of symptoms and complete the full 5-day course for best results.

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