Drug & supplement interaction

Peanut Oil + Acyclovir

Acyclovir brand names: Zovirax, Zovirax Injection, Sitavig, Avaclyr.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Peanut Oil and Acyclovir 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

Peanut Oil and Acyclovir

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 Acyclovir and Peanut 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.

Worth understanding: our licensed dataset holds no drug-interaction record for Peanut Oil at all — not against Acyclovir, 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.

Peanut Oil safety at a glance

Peanut Oil overall Use caution Generally safe as a food, but it can trigger reactions in people with peanut allergy.
Pregnancy Use caution Fine in normal food amounts; avoid concentrated supplemental or medicinal use unless cleared by your doctor.
Breastfeeding Use caution Normal dietary use is likely fine; discuss any medicinal or supplemental use with your doctor.

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

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

What Peanut Oil Itself Has Been Linked To

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

  • A severe allergic reaction / An allergic reaction Worth acting on Additional detail

    “Peanut oil can cause a severe allergic reaction in individuals allergic to the Fabaceae family. Members of this family include peanuts and soybeans. Peanut allergy is the number one cause of fatal food-induced anaphylaxis with hypersensitivity in 6% to 8% of children and 1% of adults. Various peanut protein allergens have been identified.”

    Peanut Oil · Natural Medicines adverse-effect record, reported in allergic rhinitis (hay fever).

    1 source cited
    1. 94311. Akhtar S, Khalid N, Ahmed I, Shahzad A, Suleria HA. Physicochemical characteristics, functional properties, and nutritional benefits of peanut oil: a review. Crit Rev Food Sci Nutr. 2014;54(12):1562-75. PubMed

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

From our Q&A

Questions About Peanut Oil or Acyclovir

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Peanut Oil or Acyclovir, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Acyclovir

This page covers Peanut Oil only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Acyclovir page lists 37 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Asarabacca (major), Siberian Cocklebur (major), African Wild Potato (moderate) and Aristolochia (moderate).

By severity: 3 major · 23 moderate · 11 minor.

From our pharmacist’s overview on the Acyclovir page

“Kidney strain is the risk to understand first. Acyclovir (Zovirax) can stress the kidneys on its own, and a few ingredients here, Siberian cocklebur especially, are toxic to kidney tissue, so pairing them could compound the harm.”

Reviewed by 2 · Jul 18, 2026

Open the Acyclovir interaction page

How much people look this up

Where Peanut Oil and Acyclovir 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 Peanut Oil
Steady interest

#1,338 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Acyclovir
Top 5%

#59 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 Peanut Oil reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Peanut Oil and Acyclovir records this page draws on were last updated July 11, 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 Peanut Oil

What is Peanut Oil?

  • Cooking and frying
  • Skin moisturizing and massage
  • Carrier oil for other ingredients
  • Earwax softening (folk use)
  • Dry or chapped skin

Peanut oil is a food-grade oil pressed from peanuts, used mainly for cooking and as a skin or massage oil. It is generally considered safe as a food, but people with peanut allergy should be cautious, especially with crude (less-refined) oils, and there is little strong evidence for medicinal benefits.

Arachis hypogaea · Fabaceae · Oil pressed from the seeds (peanuts) · Cooking oil, topical/massage oil, ingredient in skin and hair products, carrier oil, some injectable medication formulations

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

Peanut Oil: dosing

There is no established medicinal dose for peanut oil. As a cooking oil, it is used in normal culinary amounts, like any other vegetable oil.If you are using a product that contains peanut oil for skin care or another purpose, follow the directions on the label.

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

Read the full Peanut Oil monograph & all interactions
Medication

About Acyclovir

What Is Acyclovir Used For?

Brand names: Zovirax, Zovirax Injection, Sitavig, Avaclyr

Acyclovir treats infections caused by herpes viruses. Depending on the form, it is used for cold sores (herpes labialis), genital herpes (initial episodes and recurrent flare-ups), shingles (herpes zoster), and chickenpox (varicella). It can also be used long-term to suppress recurrent genital herpes outbreaks.

Some forms are approved for more serious situations: acyclovir injection is used in hospital settings for herpes simplex encephalitis (herpes infection of the brain), neonatal herpes (in newborns), and herpes or shingles infections in immunocompromised patients. Avaclyr ophthalmic ointment is specifically indicated for acute herpetic keratitis (a herpes ulcer on the cornea of the eye). Sitavig buccal tablet and Zovirax cream are specifically indicated for recurrent cold sores in immunocompetent adults.

Most-Reported Side Effects for Acyclovir

From FAERS, the FDA’s public side-effect reporting system (114,761 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Fatigue 8,029 reports
Diarrhea 7,348 reports
Pneumonia 5,700 reports
Nausea 5,643 reports
Fever 4,989 reports
See full Acyclovir drug information
Keep checking

Other Drugs & Peanut Oil

Browse every other medication we’ve checked against Peanut Oil — 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 Peanut Oil 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 Peanut Oil list.

See the full Peanut Oil interactions page
See every supplement checked against Acyclovir, ranked by severity
Evidence & sources

Peanut Oil References

The 1 references that drive our Peanut 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. Akhtar S, Khalid N, Ahmed I, Shahzad A, Suleria HA. Physicochemical characteristics, functional properties, and nutritional benefits of peanut oil: a review. Crit Rev Food Sci Nutr. 2014;54(12):1562-75. 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 Peanut Oil and Acyclovir Together: Common Questions

Is it safe to take Peanut Oil with Acyclovir?
We do not list a known interaction between Peanut Oil and Acyclovir. 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 Acyclovir interact with any supplements?
Yes. Acyclovir has documented interactions with 37 supplements in our database — Peanut Oil is not one of them. The Acyclovir interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Peanut Oil monograph Uses, safety profile, and every drug interaction in one place Acyclovir drug information The full plain-English guide to this medication Acyclovir supplement interactions Every supplement checked against Acyclovir, 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 1 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Acyclovir and Peanut Oil?

Our pharmacists answer your medication & supplement questions — free.

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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.