Drug & supplement interaction

Angelica Archangelica + Guanabenz Acetate

Guanabenz Acetate brand name: Wytensin.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Oct 4, 2026
The bottom line No known interaction

We found no known interaction between Angelica Archangelica and Guanabenz Acetate 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

Angelica Archangelica and Guanabenz Acetate

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 Guanabenz Acetate and Angelica Archangelica 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.

Angelica Archangelica safety at a glance

Angelica Archangel... overall Use caution Often used in food amounts, but medicinal doses are not well studied and can cause skin sensitivity to sunlight.
Pregnancy Avoid Traditionally thought to affect the uterus and not well studied; best avoided in medicinal amounts.
Breastfeeding Avoid Not enough safety data, so avoid medicinal use while breastfeeding.

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

Still wondering about combining Guanabenz Acetate and Angelica Archangelica? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Guanabenz Acetate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Guanabenz Acetate is filed under 3 classifications — alpha-adrenergic agonists, antihypertensive drugs, oral drugs. Angelica Archangelica has documented interactions with 1 drug class — the most serious being photosensitizing drugs (moderate) — and none of Guanabenz Acetate’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

Angelica Archangelica Does Interact With Other Medications

Angelica Archangelica has 335 moderate known drug interactions in our database — Guanabenz Acetate isn’t one of them. If you take anything else, check it against the full list below.

Moderate 335 No known interaction 2,495 (incl. Guanabenz Acetate)
Taking anything else?

Check Another of Your Medications Against Angelica Archangelica

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

What to actually watch for

What Angelica Archangelica Itself Has Been Linked To

This is not an interaction — nothing below involves Guanabenz Acetate. It is the side-effect record for Angelica Archangelica on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Angelica Archangelica, this list is the first place to look.

  • Sun sensitivity Additional detail

    “Orally or topically, Angelica archangelica might cause photosensitivity reactions. Patients who take Angelica archangelica orally or apply it topically should be advised to avoid prolonged exposure to the sun. Some constituents of the leaves have a strong irritant effect on the skin and mucous membranes, referred to as "angelica dermatitis" (18).”

    Angelica Archangelica · Natural Medicines adverse-effect record, reported in dermatitis.

    2 sources cited
    1. 13406. Ojala T, Vuorela P, Kiviranta J, et al. A bioassay using Artemia salina for detecting phototoxicity of plant coumarins. Planta Med 1999;65:715-8. PubMed
    2. 18. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  • Constipation Additional detail

    “Orally, Angelica archangelica has been reported to cause constipation in one out of 21 patients taking a specific Angelica archangelica leaf extract (SagaPro, SagaMedica).”

    Angelica Archangelica · Natural Medicines adverse-effect record, reported in constipation.

    1 source cited
    1. 92461. Sigurdsson S, Geirsson G, Gudmundsdottir H, Egilsdottir PB, Gudbjarnason S. A parallel, randomized, double-blind, placebo-controlled study to investigate the effect of SagaPro on nocturia in men. Scand J Urol. 2013;47(1):26-32. PubMed
  • A skin rash Additional detail

    Recorded for Angelica Archangelica in the same Natural Medicines adverse-effect record shown under Sun sensitivity above.

Everything above comes from the Natural Medicines adverse-effect record for Angelica Archangelica — expand a row for the licensed statement it rests on. We haven’t matched Guanabenz Acetate to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Guanabenz Acetate.

Overlapping uses

What Guanabenz Acetate Is Prescribed For, and What Angelica Archangelica Has Been Studied For

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

Angelica Archangelica has been studied for:

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

    Angelica Archangelica for stroke

    Although there has been interest in using oral Angelica archangelica for stroke, there is insufficient reliable information about the clinical effects of Angelica archangelica for this condition.

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 Guanabenz Acetate on your own; if you are taking Angelica Archangelica for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

Everything else you take

See Every Supplement That Interacts With Guanabenz Acetate

This page covers Angelica Archangelica only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Guanabenz Acetate page lists 137 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), American Hellebore (major), American Mistletoe (major), Tyramine (major) and Adrafinil (moderate).

By severity: 4 major · 112 moderate · 21 minor.

From our pharmacist’s overview on the Guanabenz Acetate page

“Guanabenz acetate (Wytensin) is an older blood pressure medicine, and the 137 supplements on file call for genuine vigilance, beginning with the four rated major. Two are toxic plants that can strain the heart or swing pressure hard, one is tyramine, found in aged cheeses and cured meats, which fights the drug's effect, and one is acti…”

Reviewed by 2 · Jul 18, 2026

Open the Guanabenz Acetate interaction page

How much people look this up

Where Angelica Archangelica and Guanabenz Acetate 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 Angelica Archangelica
Steady interest

#1,281 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Guanabenz Acetate
Steady interest

#2,094 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 Angelica Archangelica reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The Angelica Archangelica and Guanabenz Acetate 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 Angelica Archangelica

What is Angelica Archangelica?

Angelica Archangelica
  • Digestive upset and gas
  • Loss of appetite
  • Anxiety and restlessness
  • Mild respiratory complaints
  • Flavoring in foods and drinks

Angelica archangelica is a tall aromatic herb used traditionally for digestive complaints, poor appetite, and to flavor foods and liqueurs. Solid human evidence for its health benefits is limited, and its skin-sensitizing furanocoumarins mean caution is warranted. Pregnant and breastfeeding people should avoid it, and anyone considering it should check with a pharmacist or doctor first.

Angelica archangelica · Apiaceae (Umbelliferae) · Root, seeds (fruit), leaves, and essential oil · Tea, dried root, tincture, capsules, essential oil, and as a flavoring in liqueurs

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

Angelica Archangelica: dosing

There is no well-established standardized dose for Angelica archangelica. Traditional preparations include teas made from the dried root or seeds, tinctures, and capsules, but the amount of active compounds can vary widely between products.Because reliable dosing guidelines are lacking, the safest approach is to follow the directions on the product label and not exceed them. Avoid combining it with strong sun exposure or tanning.

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

Read the full Angelica Archangelica monograph & all interactions
Medication

About Guanabenz

What Is Guanabenz Used For?

Brand name: Wytensin

  • Guanabenz is used to treat high blood pressure. It is in a class of medications called centrally acting alpha2A-adrenergic receptor agonists. Guanabenz works by decreasing your heart rate and relaxing the blood vessels so that blood can flow more easily through the body.

  • High blood pressure is a common condition and when not treated, can cause damage to the brain, heart, blood vessels, kidneys and other parts of the body. Damage to these organs may cause heart disease, a heart attack, heart failure, stroke, kidney failure, loss of vision, and other problems. In addition to taking medication, making lifestyle changes will also help to control your blood pressure. These changes include eating a diet that is low in fat and salt, maintaining a healthy weight, exercising at least 30 minutes most days, not smoking, and using alcohol in moderation.

See full Guanabenz drug information
Keep checking

Other Drugs & Angelica Archangelica

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

0Major
335Moderate
0Minor
2,494No known interaction
335 Moderate 2,494 No interaction
Moderate

335 interactions

Showing 60 of 335 moderate interactions — see all 335 on the Angelica Archangelica page.

No interaction 2,494 drugs checked — show the list

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

Showing the 60 most looked-up of 2,494 medications checked with no known interaction — see the full Angelica Archangelica list.

See the full Angelica Archangelica interactions page
See every supplement checked against Guanabenz Acetate, ranked by severity
Evidence & sources

Angelica Archangelica References

The 3 references that drive our Angelica Archangelica 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. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  2. Ojala T, Vuorela P, Kiviranta J, et al. A bioassay using Artemia salina for detecting phototoxicity of plant coumarins. Planta Med 1999;65:715-8. PubMed
  3. Sigurdsson S, Geirsson G, Gudmundsdottir H, Egilsdottir PB, Gudbjarnason S. A parallel, randomized, double-blind, placebo-controlled study to investigate the effect of SagaPro on nocturia in men. Scand J Urol. 2013;47(1):26-32. 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 Angelica Archangelica and Guanabenz Acetate Together: Common Questions

Is it safe to take Angelica Archangelica with Guanabenz Acetate?
We do not list a known interaction between Angelica Archangelica and Guanabenz Acetate. 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 Angelica Archangelica and Guanabenz Acetate 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 Angelica Archangelica in each. That is a conversation for your prescriber, especially if Guanabenz Acetate is being adjusted to a target.
How was the Angelica Archangelica and Guanabenz Acetate combination checked?
Interactions in our licensed database are recorded against drug classes. Guanabenz Acetate is filed under 3 classifications, and Angelica Archangelica has documented interactions with 1 drug class — none of Guanabenz Acetate'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 Angelica Archangelica interact with any other medications?
Yes. Angelica Archangelica has 335 documented drug interactions in our database — Guanabenz Acetate 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 Guanabenz Acetate interact with any supplements?
Yes. Guanabenz Acetate has documented interactions with 137 supplements in our database — Angelica Archangelica is not one of them. The Guanabenz Acetate 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

Angelica Archangelica monograph Uses, safety profile, and every drug interaction in one place Guanabenz drug information The full plain-English guide to this medication Guanabenz Acetate supplement interactions Every supplement checked against Guanabenz Acetate, 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 3 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Guanabenz Acetate and Angelica Archangelica?

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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.