Possible Side Effects

Are there any side effects?

All medicines can have side effects. If you do experience any side effects, most of them are minor and temporary. However, some side effects may need medical attention.

See the information below and ask your doctor or pharmacist if you have any further questions about side effects.

Side effects

What to do - Speak to your doctor if you have any of these side effects and they worry you.

Tell you doctor or pharmacist if you notice anything else that may be making you feel unwell.
Other side effects not listed here may occur in some people.

Serious side effects
Severe allergic reaction, including raw, painful and/or peeling of the skin, blisters, sore throat or mouth, or fever.

Signs and/or symptoms of an allergic reaction, including rash, itch, development of hives, swelling of the face (or of the tongue, lips, eyes, throat), feeling breathless, light-headed or dizzy, and feeling unwell.

What to do - Call your doctor straight away, or go straight to the Emergency Department at your nearest hospital if you notice any of these serious side effects.

Reporting side effects

After you have received medical advice for any side effects you experience, you can report side effects to the Therapeutic Goods Administration online at www.tga.gov.au/reporting-problems

By reporting side effects, you can help provide more information on the safety of this medicine.

Always make sure you speak to your doctor or pharmacist before you decide to stop taking any of your medicines.

Product Details

What PAXLOVID contains

Nirmatrelvir Tablet
Active Ingredient (main ingredient)
Other Ingredients (inactive ingredients)
Microcrystalline cellulose
Lactose monohydrate
Croscarmellose sodium
Colloid silicon dioxide
Sodium stearylfumarate

Ritonavir Tablet
Active Ingredient (main ingredient)
Other Ingredients
Calcium hydrogen phosphate
Sorbitan monolaurate
Colloidal anhydrous silica
Titanium dioxide
Sodium stearylfumarate
Macrogel 400
Purified talc
Macrogel 3350
Polysorbate 80

Do not take this medicine if you are allergic to any of these ingredients.

What PAXLOVID looks like
The nirmatrelvir tablet is pink, oval film-coated tablet debossed with 'PFE' on one side and '3CL' on the other side.
The ritonavir tablet is white to off-white coated, oval tablet marked with the Abbott logo and "NK"
PAXLOVID is supplied in a carton of 30 tablets in five PA/AI/PVC/AI blister cards marked as "Morning Dose" and "Evening Dose" for the tablets to be taken each morning and each evening.

Australian Registration Number: PAXLOVID: AUST R 377572

How to verify your tablets are authentic

PAXLOVID must be prescribed by a licensed healthcare provider and supplied by a Government approved pharmacy or medical

Authentic PAXLOVID, from Pfizer Australia Pty Ltd, will include the Pfizer name on the label and will be packaged in 5 aluminum push-through blister cards. Individual doses are not for sale. PAXLOVID will be packaged in a rectangular carton. The carton has a colourless, glossy coating that contains a repeated pattern of the Pfizer name and logo all over the tablet, and these repeating features are seen in a contrasting matte finish.

PAXLOVID consists of tablets for a 5-day oral treatment regimen, with morning and evening doses.

To verify that the tablets are legitimate, look for the following specific text on each side of the tablet

Tablet Text
nirmatrelvir Front: 3CL | Back: PFE
ritonavir Front: image NK | Back: No text
Pfizer is committed to patient safety and ensuring that people have accurate information about PAXLOVID, including how it is accessed and administered. We are actively monitoring for offers of illegitimate PAXLOVID to protect patients from products that might be dangerous and lead to serious or life-threatening harm.

If you suspect the product you have received may be counterfeit, contact us at 1800 675 229 or visit www.pfizermedicalinformation.com.au