Drug & supplement interaction

Oscillococcinum + Peramivir

Peramivir brand name: Rapivab.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Oscillococcinum and Peramivir in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Oscillococcinum and Peramivir

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Peramivir and Oscillococcinum in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

Worth understanding: our licensed dataset holds no drug-interaction record for Oscillococcinum at all — not against Peramivir, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Oscillococcinum safety at a glance

Oscillococcinum overall Use caution Generally well tolerated, but evidence of benefit is lacking and it should not replace proven flu care.
Pregnancy Use caution Safety has not been well studied in pregnancy, so check with your doctor first.
Breastfeeding Use caution Little data exists during breastfeeding, so use only with medical guidance.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Peramivir and Oscillococcinum? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Oscillococcinum Itself Has Been Linked To

This is not an interaction — nothing below involves Peramivir. It is the side-effect record for Oscillococcinum on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Oscillococcinum, this list is the first place to look. One entry is worth acting on rather than waiting out — marked below.

  • A severe allergic reaction Worth acting on Additional detail

    “Orally, oscillococcinum has been associated with angioedema. Three cases of angioedema have been reported. In one case, a 34-year-old male developed mild stridor and a markedly swollen tongue after taking oscillococcinum for flu-like symptoms. The patient was treated with intramuscular epinephrine and intravenous diphenhydramine and methylprednisolone.”

    Oscillococcinum · Natural Medicines adverse-effect record, reported in influenza.

    1 source cited
    1. 92284. Azmi Y, Rao M, Verma I, Agrawal A. Oscillococcinum leading to angioedema, a rare adverse event. BMJ Case Rep. 2015 Jun 2;2015. PubMed
  • Headache Additional detail

    “Orally, oscillococcinum has been associated with one report of headache in one clinical study.”

    Oscillococcinum · Natural Medicines adverse-effect record, reported in cluster headache.

    1 source cited
    1. 19063. Papp R, Schuback G, Beck E, et al. Oscillococcinum in patients with influenza-like syndromes: a placebo-controlled double-blind evaluation. British Homoeopathic Journal 1998;87:69-76.

Everything above comes from the Natural Medicines adverse-effect record for Oscillococcinum — expand a row for the licensed statement it rests on. We read the ADVERSE REACTIONS section of Peramivir’s FDA label too, and the two lists don’t meaningfully overlap — which is why no Peramivir column appears here.

Overlapping uses

What Peramivir Is Prescribed For, and What Oscillococcinum Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Peramivir is a prescription medicine with approved uses on its FDA label. Oscillococcinum is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.

Peramivir is prescribed for: Rapivab (peramivir injection) is used to treat acute uncomplicated influenza — the flu — in adults and children as young as 6 months old. It must be started within 2 days of when symptoms first appear to be effective. Most of the clinical trial evidence comes from patients with influenza A. Fewer patients with influenza B were studied, so effectiveness against influenza B is less certain.

Read the rest of what Peramivir is prescribed for

Rapivab has not been shown to work for serious influenza requiring hospitalization, and it does not treat bacterial infections.

Oscillococcinum has been studied for:

  • Influenza studied, not established Oscillococcinum has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

    Oscillococcinum for influenza

    While oral oscillococcinum does not appear to prevent influenza, small and potentially biased clinical studies suggest that it might reduce symptoms and the need for pain and fever medications in patients with influenza-like illness. It is unclear if these improvements are clinically meaningful.

Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Peramivir on your own; if you are taking Oscillococcinum for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

How much people look this up

Where Oscillococcinum and Peramivir Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Oscillococcinum
Steady interest

#1,249 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Peramivir
Top 25%

#390 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Oscillococcinum reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Oscillococcinum and Peramivir records this page draws on were last updated July 10, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Oscillococcinum

What is Oscillococcinum?

  • Flu-like symptoms
  • Common cold symptoms
  • Body aches and chills
  • Fatigue during illness
  • Fever associated with the flu

Oscillococcinum is a homeopathic product made from extremely diluted duck liver and heart, marketed to ease flu-like symptoms. High-quality research has not shown it works better than a placebo, but it is generally well tolerated. If you choose to try it, see it as a low-risk option rather than a proven treatment, and don't use it to replace a flu vaccine or needed medical care.

Anas barbariae hepatis et cordis extractum · Highly diluted extract of duck liver and heart (Muscovy duck) · Oral pellets/granules that dissolve under the tongue

An interaction check asks whether these two react with each other — it does not ask whether Oscillococcinum is a good idea for someone in your situation. Here is what our Oscillococcinum record says about it on its own.

Oscillococcinum: dosing

There is no scientifically established effective dose for Oscillococcinum, since it has not been shown to work. If you choose to use it, follow the directions on the product label exactly.The pellets are typically dissolved under the tongue rather than swallowed with water, and packages often suggest starting at the first sign of symptoms.

From our Oscillococcinum monograph — the full record covers uses, side effects and every documented interaction.

Read the full Oscillococcinum monograph & all interactions
Medication

About Peramivir Injection

What Is Peramivir Injection Used For?

Brand name: Rapivab

Rapivab (peramivir injection) is used to treat acute uncomplicated influenza — the flu — in adults and children as young as 6 months old. It must be started within 2 days of when symptoms first appear to be effective.

Most of the clinical trial evidence comes from patients with influenza A. Fewer patients with influenza B were studied, so effectiveness against influenza B is less certain. Rapivab has not been shown to work for serious influenza requiring hospitalization, and it does not treat bacterial infections.

See full Peramivir Injection drug information
Keep checking

Other Drugs & Oscillococcinum

Browse every other medication we’ve checked against Oscillococcinum — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
0Moderate
0Minor
2,829No known interaction
2,829 No interaction
No interaction 2,829 drugs checked — show the list

We also checked Oscillococcinum against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Oscillococcinum list.

See the full Oscillococcinum interactions page
See every supplement checked against Peramivir, ranked by severity
Evidence & sources

Oscillococcinum References

The 2 references that drive our Oscillococcinum monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Papp R, Schuback G, Beck E, et al. Oscillococcinum in patients with influenza-like syndromes: a placebo-controlled double-blind evaluation. British Homoeopathic Journal 1998;87:69-76.
  2. Azmi Y, Rao M, Verma I, Agrawal A. Oscillococcinum leading to angioedema, a rare adverse event. BMJ Case Rep. 2015 Jun 2;2015. PubMed

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Oscillococcinum and Peramivir Together: Common Questions

Is it safe to take Oscillococcinum with Peramivir?
We do not list a known interaction between Oscillococcinum and Peramivir. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Are Oscillococcinum and Peramivir used for the same thing?
They overlap in purpose, which usually means the real question is whether you need both rather than whether they are safe together. This page lists the shared uses and how strong the evidence is for Oscillococcinum in each. That is a conversation for your prescriber, especially if Peramivir is being adjusted to a target.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Where next

Keep Exploring

Oscillococcinum monograph Uses, safety profile, and every drug interaction in one place Peramivir Injection drug information The full plain-English guide to this medication Peramivir supplement interactions Every supplement checked against Peramivir, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Peramivir and Oscillococcinum?

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.