Drug & supplement interaction

Oxygen Therapy + Etoposide

Etoposide brand names: VePesid, VP16, Etopophos.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Oxygen Therapy and Etoposide 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.

Know someone interested in this? Share
Interaction report

Oxygen Therapy and Etoposide

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 Etoposide and Oxygen Therapy in our sources. This does not guarantee that the combination is completely free of risk — research on Oxygen Therapy alongside specific medications may be limited.

Worth understanding: our licensed dataset holds no drug-interaction record for Oxygen Therapy at all — not against Etoposide, 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.

Oxygen Therapy is a treatment rather than something you take. Tell whoever provides it which medicines you use, and ask your prescriber whether it is appropriate for your health and treatment. 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.

Oxygen Therapy safety at a glance

Oxygen Therapy overall Use caution Medical oxygen is safe and lifesaving when prescribed, but it is a drug that can cause harm if used without proper testing and monitoring.
Pregnancy Use caution Supplemental oxygen may be used in pregnancy when medically needed, but only under a doctor's supervision.
Breastfeeding Use caution Use only as directed by a healthcare provider; medical oxygen does not pass into milk, but the underlying condition needs proper care.

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

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

What Etoposide’s Own FDA Label Lists

This is not an interaction — none of it involves Oxygen Therapy. These are the most notable effects listed in the ADVERSE REACTIONS section of Etoposide’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you have Oxygen Therapy and take the medicine. 10 of them are worth acting on rather than waiting out — marked below.

  • A low white blood cell count Worth acting on mentioned in 17.3% of FDA reports for Etoposide
  • Loss of vision Worth acting on
  • Trouble swallowing Worth acting on
  • A low platelet count Worth acting on mentioned in 5.6% of FDA reports for Etoposide
  • Fainting Worth acting on
  • Wheezing Worth acting on
  • A severe skin reaction Worth acting on
  • Anemia Worth acting on mentioned in 4.6% of FDA reports for Etoposide
  • Seizures Worth acting on
  • Raised blood pressure Worth acting on

Showing the 10 most notable of 36 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Etoposide. Read the label on DailyMed › Where a percentage is shown, it is the share of 74,570 voluntary FDA FAERS reports for Etoposide that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Oxygen Therapy’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Oxygen Therapy side to compare — that is a limit of the record, not a statement that Oxygen Therapy has no side effects.

Everything else you take

See Every Supplement That Interacts With Etoposide

This page covers Oxygen Therapy only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Etoposide page lists 152 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Apple (major), Grapefruit (major), St. John's Wort (major) and Sweet Orange (major).

By severity: 5 major · 107 moderate · 40 minor.

From our pharmacist’s overview on the Etoposide page

“Chemotherapy is unforgiving of level swings, and swings are exactly what most of this list can cause for etoposide (VePesid, Etopophos). Of the 152 supplements and herbs on file, 121 can change how your liver clears etoposide through the CYP3A4 enzyme, meaning too little drug and an undertreated cancer, or too much and harsher toxicity.”

Reviewed by 2 · Jul 18, 2026

Open the Etoposide interaction page

How much people look this up

Where Oxygen Therapy and Etoposide 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 Oxygen Therapy
Steady interest

#1,133 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Etoposide
Steady interest

#1,927 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. Oxygen Therapy is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Oxygen Therapy reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Oxygen Therapy and Etoposide records this page draws on were last updated June 20, 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 .
Treatment approach

About Oxygen Therapy

What is Oxygen Therapy?

  • Low blood oxygen from lung disease (COPD)
  • Severe COVID-19 or pneumonia
  • Hyperbaric treatment of wounds and decompression sickness
  • Carbon monoxide poisoning
  • Cluster headaches
  • Marketed for 'energy,' altitude, or general wellness

Oxygen therapy is a real medical treatment that gives extra oxygen to people whose blood oxygen is low, and it can be lifesaving when prescribed and monitored by a healthcare provider. It is not a dietary supplement, and using too much oxygen or relying on unproven 'oxygen' wellness products can be harmful or simply ineffective. Always use oxygen only under medical guidance.

Medical oxygen gas (nasal cannula, face mask, oxygen concentrator), hyperbaric oxygen chambers, and marketed 'oxygen' products such as canned oxygen, oxygenated water, and hydrogen peroxide drops

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

Oxygen Therapy: dosing

There is no single 'dose' of oxygen that fits everyone. Medical oxygen is prescribed and adjusted by a healthcare provider based on your blood oxygen levels, your condition, and your symptoms. It is usually measured as a flow rate (liters per minute) or a percentage of oxygen, and often guided by a fingertip oxygen monitor (pulse oximeter) or blood tests.Because the right amount is so individual, you should never change your oxygen flow or stop it on your own.

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

Read the full Oxygen Therapy monograph & all interactions
Medication

About Etoposide

What Is Etoposide Used For?

Brand names: VePesid, VP16, Etopophos

Etoposide injection (available as Avopef, Etopophos, Toposar, and Etoposide) is used to treat refractory testicular tumors — cancers that have already been treated with surgery, radiation, and other chemotherapy — always in combination with other cancer drugs. It is also used for small cell lung cancer (SCLC) as a first-line treatment, given together with other chemotherapy and, in the case of Avopef, with immunotherapy as well.

Etoposide capsules (VePesid and Etoposide capsules) are approved for small cell lung cancer as first-line treatment in combination with other chemotherapy agents. Capsule forms are not approved for testicular cancer, as the label notes that adequate data on their use in that setting are not available.

Most-Reported Side Effects for Etoposide

From FAERS, the FDA’s public side-effect reporting system (74,570 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Febrile neutropenia 7,773 reports
Neutropenia 5,108 reports
Disease progression 4,642 reports
Thrombocytopenia 4,169 reports
Fever 3,494 reports
See full Etoposide drug information
Keep checking

Other Drugs & Oxygen Therapy

Browse every other medication we’ve checked against Oxygen Therapy — 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
No interaction 2,829 drugs checked — show the list
Evidence & sources

Oxygen Therapy References

The 2 sources that drive our Oxygen Therapy monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Oxygen Therapy is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Oxygen Therapy — MedlinePlus (U.S. National Library of Medicine) Source
  2. Oxygen Therapy — Cleveland Clinic Source

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

Having Oxygen Therapy While Taking Etoposide: Common Questions

Is it safe to have Oxygen Therapy while taking Etoposide?
We do not list a known interaction between Oxygen Therapy and Etoposide. 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.
Does Etoposide interact with any supplements?
Yes. Etoposide has documented interactions with 152 supplements in our database — Oxygen Therapy is not one of them. The Etoposide interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Etoposide and Oxygen Therapy?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.