Drug & supplement interaction

Cajeput Oil + Perampanel

Perampanel brand name: Fycompa.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Cajeput Oil and Perampanel 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 taking this? Share
Interaction report

Cajeput Oil and Perampanel

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 Perampanel and Cajeput Oil 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.

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.

Cajeput Oil safety at a glance

Cajeput Oil overall Use caution Generally used topically or for inhalation in diluted form; it can irritate skin and should not be swallowed.
Pregnancy Avoid Safety has not been established, so it is best avoided during pregnancy.
Breastfeeding Avoid Not enough safety information, so avoid use while breastfeeding.

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

Still wondering about combining Perampanel and Cajeput Oil? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Perampanel

Interactions in our licensed database are recorded against drug classes, not just single drug names. Perampanel is filed under 7 classifications — including cytochrome p450 2c19 (cyp2c19) substrates, cytochrome p450 2c9 (cyp2c9) substrates, cytochrome p450 1a2 (cyp1a2) substrates. Cajeput Oil has documented interactions with 2 drug classes — the most serious being antidiabetes drugs (moderate) and cytochrome p450 2d6 (cyp2d6) substrates (moderate) — and none of Perampanel’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Cajeput Oil Does Interact With Other Medications

Cajeput Oil has 278 moderate known drug interactions in our database — Perampanel isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Cajeput Oil

Covers the 2,830 medications we’ve checked against Cajeput Oil. Pick one to open its full report.

What to actually watch for

What Perampanel’s Own FDA Label Lists

This is not an interaction — none of it involves Cajeput Oil. These are the most notable effects listed in the ADVERSE REACTIONS section of Perampanel’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 take both. 6 of them are worth acting on rather than waiting out — marked below.

  • Seizures Worth acting on mentioned in 24.3% of FDA reports for Perampanel
  • Unsteadiness Worth acting on
  • A severe skin reaction Worth acting on
  • Bleeding or bruising Worth acting on
  • A higher chance of infection Worth acting on
  • An allergic reaction Worth acting on
  • Weight gain
  • Mood changes or irritability
  • Drowsiness mentioned in 6.8% of FDA reports for Perampanel
  • Blurred vision

Showing the 10 most notable of 19 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 Perampanel. Read the label on DailyMed › Where a percentage is shown, it is the share of 7,347 voluntary FDA FAERS reports for Perampanel that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Cajeput Oil’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Cajeput Oil side to compare — that is a limit of the record, not a statement that Cajeput Oil has no side effects.

Everything else you take

See Every Supplement That Interacts With Perampanel

This page covers Cajeput Oil only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Perampanel page lists 230 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: 1,4-butanediol (major), Activated Charcoal (major), Beer (major), Gamma-hydroxybutyrate (ghb) (major) and Grapefruit (major).

By severity: 9 major · 175 moderate · 46 minor.

From our pharmacist’s overview on the Perampanel page

“Perampanel (Fycompa) is a seizure medicine that already causes drowsiness and dizziness on its own, which is why I treat this list of 230 interacting supplements with real care. Most entries do one of two things: they add to its sedating effect, as alcohol and kava do, or they change how the liver handles it.”

Reviewed by 2 · Jul 18, 2026

Open the Perampanel interaction page

How much people look this up

Where Cajeput Oil and Perampanel 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 Cajeput Oil
Top half

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

29 days ago today
Medication Perampanel
Top half

#1,161 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 Cajeput Oil reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Cajeput Oil and Perampanel records this page draws on were last updated June 22, 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 Cajeput Oil

What is Cajeput Oil?

Cajeput Oil
  • Muscle and joint aches
  • Cough and congestion
  • Minor skin irritation
  • Insect repellent
  • Aromatherapy

Cajeput oil is an aromatic essential oil traditionally used for aches, congestion, and minor skin complaints, but solid human evidence for these uses is limited. Like other essential oils, it should never be swallowed and should be diluted before applying to skin; consult a pharmacist or doctor before use, especially in children, pregnancy, or breastfeeding.

Melaleuca cajuputi · Myrtaceae · Essential oil distilled from the leaves and twigs · Essential oil, diluted topical rubs, inhalants/balms, aromatherapy blends

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

Cajeput Oil: dosing

There is no official, standardized dose for cajeput oil, and no proven safe amount for taking it internally. For topical or aromatherapy use, the general practice is to dilute a small amount of the essential oil in a carrier oil before applying to the skin.Because products differ in strength, follow the directions on the label and do not exceed them.

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

Read the full Cajeput Oil monograph & all interactions
Medication

About Perampanel

What Is Perampanel Used For?

Brand name: Fycompa

Perampanel — available as Fycompa and in generic forms — is used to treat partial-onset seizures (seizures that start in one area of the brain) in patients with epilepsy aged 4 years and older. Both the tablet and oral suspension forms carry this indication.

Perampanel tablets and oral suspension are also approved as add-on (adjunctive) therapy for primary generalized tonic-clonic seizures (grand mal seizures involving the whole brain at once) in patients with epilepsy aged 12 years and older. Fycompa oral suspension and tablet share both indications.

Most-Reported Side Effects for Perampanel

From FAERS, the FDA’s public side-effect reporting system (7,532 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Seizure 1,138 reports
Somnolence 513 reports
Aggression 499 reports
Dizziness 396 reports
Epilepsy 361 reports
See full Perampanel drug information
Keep checking

Other Drugs & Cajeput Oil

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

0Major
278Moderate
0Minor
2,551No known interaction
Moderate

278 interactions

Showing 60 of 278 moderate interactions — see all 278 on the Cajeput Oil page.

No interaction 2,551 drugs checked — show the list
Evidence & sources

Cajeput Oil References

The 2 references that drive our Cajeput Oil 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. Moharram, F. A., Marzouk, M. S., El Toumy, S. A., Ahmed, A. A., and Aboutabl, E. A. Polyphenols of Melaleuca quinquenervia leaves--pharmacological studies of grandinin. Phytother Res 2003;17(7):767-773.
  2. Subehan, Usia, T., Iwata, H., Kadota, S., and Tezuka, Y. Mechanism-based inhibition of CYP3A4 and CYP2D6 by Indonesian medicinal plants. J Ethnopharmacol. 5-24-2006;105(3):449-455. 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 Cajeput Oil and Perampanel Together: Common Questions

Is it safe to take Cajeput Oil with Perampanel?
We do not list a known interaction between Cajeput Oil and Perampanel. 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.
How was the Cajeput Oil and Perampanel combination checked?
Interactions in our licensed database are recorded against drug classes. Perampanel is filed under 7 classifications, and Cajeput Oil has documented interactions with 2 drug classes — none of Perampanel's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Cajeput Oil interact with any other medications?
Yes. Cajeput Oil has 278 documented drug interactions in our database — Perampanel is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Perampanel interact with any supplements?
Yes. Perampanel has documented interactions with 230 supplements in our database — Cajeput Oil is not one of them. The Perampanel 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 Perampanel and Cajeput Oil?

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.