Drug & supplement interaction

Jalap + Doxazosin Mesylate

Doxazosin Mesylate brand name: Cardura.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 27, 2026
The bottom line No known interaction

We found no known interaction between Jalap and Doxazosin Mesylate 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

Jalap and Doxazosin Mesylate

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 Doxazosin Mesylate and Jalap 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.

Jalap safety at a glance

Jalap overall Use caution Jalap is a harsh purgative that can cause severe cramping and dehydration, so it is generally not recommended.
Pregnancy Avoid Strong laxatives like jalap may stimulate the gut and should be avoided during pregnancy.
Breastfeeding Unsafe When used orally. Jalap can be a menstrual stimulant; avoid using. Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Doxazosin Mesylate and Jalap? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Doxazosin Mesylate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Doxazosin Mesylate is filed under 4 classifications — including alpha-adrenergic antagonists, vasodilators, antihypertensive drugs. Jalap has documented interactions with 5 drug classes — the most serious being stimulant laxatives (major), digoxin (lanoxin) (moderate) and diuretic drugs (moderate) — and none of Doxazosin Mesylate’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

Jalap Does Interact With Other Medications

Jalap has 21 major, 78 moderate, 1 minor known drug interactions in our database — Doxazosin Mesylate isn’t one of them. If you take anything else, check it against the full list below.

Major 21 Moderate 78 Minor 1 No known interaction 2,730 (incl. Doxazosin Mesylate)
Taking anything else?

Check Another of Your Medications Against Jalap

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

What to actually watch for

What Doxazosin Mesylate’s Own FDA Label Lists

This is not an interaction — none of it involves Jalap. These are the most notable effects listed in the ADVERSE REACTIONS section of Doxazosin Mesylate’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. 10 of them are worth acting on rather than waiting out — marked below.

  • Pain or burning when passing urine Worth acting on
  • Muscle weakness Worth acting on
  • Unsteadiness Worth acting on
  • Fainting Worth acting on
  • An irregular heartbeat Worth acting on
  • Chest pain Worth acting on
  • Low mood Worth acting on
  • Raised blood pressure Worth acting on
  • Shortness of breath Worth acting on
  • Bleeding or bruising Worth acting on

Showing the 10 most notable of 42 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 Doxazosin Mesylate. Read the label on DailyMed › Jalap’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Jalap side to compare — that is a limit of the record, not a statement that Jalap has no side effects.

Special populations

Jalap in Pregnancy & Breastfeeding

Lactation Unsafe

When used orally. Jalap can be a menstrual stimulant; avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

From our Q&A

Questions About Jalap or Doxazosin Mesylate

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Jalap or Doxazosin Mesylate, 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 Doxazosin Mesylate

This page covers Jalap only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Doxazosin Mesylate 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 Doxazosin Mesylate page

“Doxazosin (Cardura) relaxes blood vessels to lower blood pressure and ease enlarged-prostate symptoms, and it already has a reputation for dizziness and first-dose fainting. That is why its list of 137 interacting supplements deserves genuine respect.”

Reviewed by 2 · Jul 18, 2026

Open the Doxazosin Mesylate interaction page

One more smart check

Taking Jalap as Part of a Dietary Supplement Product? Check It for Interactions

We hold 4 real supplement products containing Jalap, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Jalap. Even though Jalap itself has no known interaction with Doxazosin Mesylate, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Jalap and Doxazosin Mesylate 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 Jalap
Steady interest

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

29 days ago today
Medication Doxazosin Mesylate
Top 25%

#570 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 Jalap reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Jalap and Doxazosin Mesylate 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 Jalap

What is Jalap?

  • Constipation
  • Strong laxative ('purgative') effect
  • Traditional remedy to 'clear out' the bowels
  • Historical use in folk medicine

Jalap is a powerful traditional laxative made from the root of a Mexican morning-glory plant. It is rarely used today because it can cause violent diarrhea, cramping, and dehydration, and safer laxatives are available. It is not recommended for routine self-treatment, and pregnant or breastfeeding people should avoid it.

Ipomoea purga · Convolvulaceae · Dried tuberous root (and the resin extracted from it) · Dried root powder, resin, tinctures, and historically as a component of laxative preparations

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

Jalap: dosing

There is no established, standardized modern dose for jalap, and it is not recommended for general use. Because the resin is so potent, even small differences in amount can cause harsh effects.If you encounter a product containing jalap, follow the product label exactly and do not exceed it.

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

Read the full Jalap monograph & all interactions
Medication

About Doxazosin

What Is Doxazosin Used For?

Brand name: Cardura

Doxazosin tablets (Cardura, Doxazosin, Doxazosin mesylate) are approved to treat the signs and symptoms of benign prostatic hyperplasia (BPH) — an enlarged prostate that causes urinary problems — and to treat high blood pressure (hypertension). Lowering blood pressure reduces the risk of stroke and heart attack. Doxazosin tablets may be used alone or combined with other blood pressure medicines.

Cardura XL (the extended-release tablet) is approved only for BPH symptoms. Cardura XL is not approved for high blood pressure.

Most-Reported Side Effects for Doxazosin Mesylate

From FAERS, the FDA’s public side-effect reporting system (0 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Dyspnea 1,985 reports
Dizziness 1,737 reports
Fatigue 1,723 reports
Diarrhea 1,681 reports
Nausea 1,480 reports
See full Doxazosin drug information
Keep checking

Other Drugs & Jalap

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

21Major
78Moderate
1Minor
2,729No known interaction
21 Major 78 Moderate 1 Minor 2,729 No interaction
Major

21 interactions

Moderate

78 interactions

Showing 60 of 78 moderate interactions — see all 78 on the Jalap page.

Minor

1 interaction

No interaction 2,729 drugs checked — show the list

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

Showing the 60 most looked-up of 2,729 medications checked with no known interaction — see the full Jalap list.

See the full Jalap interactions page
See every supplement checked against Doxazosin Mesylate, ranked by severity
Evidence & sources

Jalap References

The 1 references that drive our Jalap 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. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.

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 Jalap and Doxazosin Mesylate Together: Common Questions

Is it safe to take Jalap with Doxazosin Mesylate?
We do not list a known interaction between Jalap and Doxazosin Mesylate. 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 Jalap and Doxazosin Mesylate combination checked?
Interactions in our licensed database are recorded against drug classes. Doxazosin Mesylate is filed under 4 classifications, and Jalap has documented interactions with 5 drug classes — none of Doxazosin Mesylate'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 Jalap interact with any other medications?
Yes. Jalap has 100 documented drug interactions in our database — Doxazosin Mesylate 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 Doxazosin Mesylate interact with any supplements?
Yes. Doxazosin Mesylate has documented interactions with 137 supplements in our database — Jalap is not one of them. The Doxazosin Mesylate 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

Jalap monograph Uses, safety profile, and every drug interaction in one place Doxazosin drug information The full plain-English guide to this medication Doxazosin Mesylate supplement interactions Every supplement checked against Doxazosin Mesylate, 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 Doxazosin Mesylate and Jalap?

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.