Drug & supplement interaction

Java Tea + Chlorthalidone

Chlorthalidone brand names: Hygroton, Thalitone.

Moderate Interaction
Medically reviewed by · Updated September 2026
The bottom line Moderate

Java Tea has a moderate interaction with Chlorthalidone. Some preliminary clinical evidence suggests that Java tea has antihypertensive effects.

Read the full interaction report
SeverityModerate
LikelihoodProbable
EvidenceD
What do Severity, Likelihood & Evidence mean?
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Interaction report

Java Tea and Chlorthalidone

Here is the interaction we found between these two, with the evidence behind it.

Moderate

ANTIHYPERTENSIVE DRUGS

Why this applies to Chlorthalidone

Chlorthalidone falls under ANTIHYPERTENSIVE DRUGS — the group Java Tea interacts with.

Some preliminary clinical evidence suggests that Java tea has antihypertensive effects. Further, animal research suggests that Java tea has diuretic properties. Theoretically, taking Java tea with other antihypertensive drugs might increase the effects and risk for hypotension with these drugs.
Severity Moderate Likelihood Probable Evidence D

Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports..

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the thing to keep in mind: Chlorthalidone is already a water pill that lowers your blood pressure and helps your body shed extra salt and fluid. Java Tea is thought to do some of the same things, acting as a mild diuretic and possibly nudging blood pressure down a little. So when you stack them, those effects may add together.

In real life, that could mean your blood pressure dips too low or you lose a bit more fluid than intended. Watch for feeling dizzy or lightheaded (especially when standing up), unusual tiredness, or signs of dehydration. This concern is theoretical, based on how these work rather than strong human studies, so don't panic. Still, please check with your pharmacist or doctor before pairing them.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Cicero AF, De Sando V, Izzo R, Vasta A, Trimarco A, Borghi C. Effect of a combined nutraceutical containing Orthosiphon stamineus effect on blood pressure and metabolic syndrome components in hypertensive dyslipidaemic patients: a randomized clinical tria

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Java Tea Also Interacts With Other Medications

Java Tea has 172 moderate known drug interactions in our database — the Chlorthalidone one above is one of them. If you take anything else, check it against the full list below.

Moderate 172 No known interaction 2,658 (incl. Chlorthalidone)
Taking anything else?

Check Another of Your Medications Against Java Tea

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

From our Q&A

Questions About Java Tea or Chlorthalidone

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

This page covers Java Tea only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Chlorthalidone page lists 222 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), Dolomite (major) and Lithium (major).

By severity: 8 major · 190 moderate · 24 minor.

From our pharmacist’s overview on the Chlorthalidone page

“Chlorthalidone (Hygroton, Thalitone) lowers blood pressure by helping the kidneys shed salt and water, and that mechanism makes its supplement interactions worth genuine care. Most of the 222 ingredients on file either add to its blood-pressure-lowering effect or act as diuretics themselves, so pressure or potassium can fall further th…”

Reviewed by 2 · Jul 18, 2026

Open the Chlorthalidone interaction page

One more smart check

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

We hold 64 real supplement products containing Java Tea, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Java Tea. Your product may carry other ingredients that interact with Chlorthalidone too, on top of Java Tea — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Java Tea and Chlorthalidone 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 Java Tea
Top half

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

29 days ago today
Medication Chlorthalidone
Top half

#764 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.

Supplement

About Java Tea

What is Java Tea?

  • Urinary tract health
  • Mild fluid retention
  • Kidney and bladder support
  • Mild diuretic ('water pill') effect
  • Digestive complaints

Java Tea is a Southeast Asian herb traditionally used as a gentle diuretic and for urinary tract and kidney support. Some early lab, animal, and small human studies are encouraging, but high-quality evidence in people is limited, so it should not replace proven treatments. Talk to a pharmacist or doctor before using it, especially if you have kidney problems or take other medicines.

Read the full Java Tea monograph & all interactions
Medication

About Chlorthalidone

What Is Chlorthalidone Used For?

Brand names: Hygroton, Thalitone

Chlorthalidone is used to treat high blood pressure (hypertension) in adults. Lowering blood pressure reduces the risk of serious cardiovascular events, especially strokes and heart attacks. It can be used alone or combined with other blood pressure medicines.

Chlorthalidone is also used as an add-on treatment for edema (fluid buildup) caused by heart failure, liver cirrhosis, and kidney conditions including nephrotic syndrome, acute glomerulonephritis, and chronic renal failure. Thalitone is additionally indicated for edema associated with heart failure, liver cirrhosis, and renal disease including nephrotic syndrome.

See full Chlorthalidone drug information
Keep checking

Other Drugs & Java Tea

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

0Major
172Moderate
0Minor
2,657No known interaction
172 Moderate 2,657 No interaction
Moderate

172 interactions

Showing 60 of 172 moderate interactions — see all 172 on the Java Tea page.

No interaction 2,657 drugs checked — show the list

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

Showing the 60 most looked-up of 2,657 medications checked with no known interaction — see the full Java Tea list.

See the full Java Tea interactions page
See every supplement checked against Chlorthalidone, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Java Tea monograph › Uses, safety, and every drug interaction in one place Chlorthalidone supplement interactions › Every supplement checked against Chlorthalidone, ranked by severity Chlorthalidone drug information › The full plain-English guide to this medication Supplement interaction checker › Check any supplement or product against your medications Browse medications A–Z › Every drug we've checked against herbs & supplements Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Java Tea and Chlorthalidone Together: Common Questions

Can you take Java Tea with Chlorthalidone?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
How serious is the Java Tea and Chlorthalidone interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

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

Still Have a Question About Chlorthalidone and Java Tea?

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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.