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Inactivated

Relieves after effects of flu or flu-like symptoms * See symptoms on front panel.

Sold without prescription in some countries Oral

How to use Inactivated

What the official label says. If a doctor prescribed it, follow the prescription. Your pack's leaflet comes first if it is different.

Who it is for

Relieves after effects of flu or flu-like symptoms * See symptoms on front panel.

How to take it and how often

Adults and children: At the onset of symptoms, dissolve 5 pellets under the tongue 3 times a day until symptoms are relieved or as directed by a doctor.

Possible side effects

Symptoms persist for more than 3 days or worsen.

Pregnancy and breastfeeding

If pregnant or breast-feeding, ask a health professional before use

If you miss a dose

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2023-09-17.

Brands around the world

Products with Inactivated as the active ingredient. Names differ between countries.

Registered products

United States (FDA)

InfluenzinumINFLUENZA A VIRUS A/SWITZERLAND/6849/2025 IVR-278 (H1N1) HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 30 [hp_C]/30[hp_C], INFLUENZA A VIRUS A/MICHIGAN/105/2025 SAN-049A (H3N2) HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 30 [hp_C]/30[hp_C], INFLUENZA B VIRUS B/TOKYO/EIS13-175/2025 HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 30 [hp_C]/30[hp_C] · Pellet · Boiron
NDC 0220-5178Label
InfluenzinumINFLUENZA A VIRUS A/CROATIA/10136RV/2023 X-425A (H3N2) ANTIGEN (FORMALDEHYDE INACTIVATED) 6 [hp_C]/1, INFLUENZA A VIRUS A/VICTORIA/4897/2022 IVR-238 (H1N1) ANTIGEN (FORMALDEHYDE INACTIVATED) 6 [hp_C]/1, INFLUENZA B VIRUS B/AUSTRIA/1359417/2021 BVR-26 ANTIGEN (FORMALDEHYDE INACTIVATED) 6 [hp_C]/1 · Pellet · Boiron
NDC 0220-5106Label
IxiaroJAPANESE ENCEPHALITIS VIRUS STRAIN SA 14-14-2 ANTIGEN (FORMALDEHYDE INACTIVATED) 6 ug/.5mL · Injection, Suspension · Vetter Pharma Fertigung GmbH & Co. KG
NDC 62195-051Label
InfluenzinumINFLUENZA B VIRUS B/MICHIGAN/01/2021 HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 30 [hp_C]/30[hp_C], INFLUENZA A VIRUS A/DARWIN/9/2021 IVR-228 (H3N2) HEMAGGLUTININ ANTIGEN (UV, FORMALDEHYDE INACTIVATED) 30 [hp_C]/30[hp_C], INFLUENZA B VIRUS B/PHUKET/3073/2013 HEMAGGLUTININ ANTIGEN (FORMALDEHYDE INACTIVATED) 30 [hp_C]/30[hp_C] · Pellet · Boiron
NDC 0220-2731Label
InfluenzinumINFLUENZA B VIRUS B/AUSTRIA/1359417/2021 BVR-26 ANTIGEN (FORMALDEHYDE INACTIVATED) 200 [kp_C]/1, INFLUENZA A VIRUS A/VICTORIA/4897/2022 IVR-238 (H1N1) ANTIGEN (FORMALDEHYDE INACTIVATED) 200 [kp_C]/1, INFLUENZA A VIRUS A/CROATIA/10136RV/2023 X-425A (H3N2) ANTIGEN (FORMALDEHYDE INACTIVATED) 200 [kp_C]/1 · Pellet · Boiron
NDC 0220-5103Label

Nigeria (NAFDAC)

NAFDACImopest A6-0004NAFDACVaxxon ND A6-100107NAFDACVaxElla-FT A6-100127NAFDACVaxxon ND-IB A6-100108NAFDACNobilis Coryza A6-100075NAFDACHexaxim Vaccine A6-0447NAFDACNobilis MG Inac A6-100146NAFDACCanvac 8 DHPPiL A6-0370NAFDACVaxxon ND-IB-IBD A6-100096NAFDACVaxxon ND-IB-EDS A6-100109NAFDACNobilis IB+ND+EDS 04-3250NAFDACVanguard Plus 5 L4 A6-0613

Other countries: check your pack's registration number and we point you to your regulator.

Check your pack of Inactivated

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3 free checks left today Official sources: U.S. FDA · EMA (EU) · NAFDAC · WHO alerts

Questions about Inactivated

What is Inactivated used for?

Relieves after effects of flu or flu-like symptoms * See symptoms on front panel. (From the official U.S. FDA label.)

How do I take Inactivated?

Follow your prescription or the leaflet in your pack. The official label says: Adults and children: At the onset of symptoms, dissolve 5 pellets under the tongue 3 times a day until symptoms are relieved or as directed by a doctor.…

Do I need a prescription for Inactivated?

In many countries Inactivated is sold without a prescription in some strengths. Rules differ by country, so ask a pharmacist.

What brands contain Inactivated?

Inactivated is sold under names such as Influenzinum. Brand names differ between countries.

How can I check that my Inactivated is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.