Drug & supplement interaction

Halodrol-50 + Zonisamide

Zonisamide brand names: Zonegran, Zonisade.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Halodrol-50 and Zonisamide 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

Halodrol-50 and Zonisamide

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 Zonisamide and Halodrol-50 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 Halodrol-50 at all — not against Zonisamide, 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.

Halodrol-50 safety at a glance

Halodrol-50 overall Avoid It is a designer anabolic-type supplement linked to liver and hormonal harm, and some versions were banned.
Pregnancy Possibly Unsafe When used orally. Anabolic androgenic steroids can disrupt the body's hormonal balance and cause various adverse effects including reduced fertility, hair loss,... Read the full pregnancy detail
Breastfeeding Possibly Unsafe When used orally. Anabolic androgenic steroids can disrupt the body's hormonal balance and cause various adverse effects including reduced fertility, hair loss,... 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 Zonisamide and Halodrol-50? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Zonisamide’s Own FDA Label Lists

This is not an interaction — none of it involves Halodrol-50. These are the most notable effects listed in the ADVERSE REACTIONS section of Zonisamide’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. 9 of them are worth acting on rather than waiting out — marked below.

  • Seizures Worth acting on mentioned in 15.5% of FDA reports for Zonisamide
  • Kidney stones Worth acting on
  • Unsteadiness Worth acting on
  • Hallucinations Worth acting on
  • Confusion Worth acting on
  • A severe skin reaction Worth acting on
  • Low mood Worth acting on
  • Bleeding or bruising Worth acting on
  • An allergic reaction Worth acting on
  • Trouble concentrating

Showing the 10 most notable of 27 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 Zonisamide. Read the label on DailyMed › Where a percentage is shown, it is the share of 14,486 voluntary FDA FAERS reports for Zonisamide that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Halodrol-50’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Halodrol-50 side to compare — that is a limit of the record, not a statement that Halodrol-50 has no side effects.

Special populations

Halodrol-50 in Pregnancy & Breastfeeding

Pregnancy And Lactation Possibly Unsafe

When used orally. Anabolic androgenic steroids can disrupt the body's hormonal balance and cause various adverse effects including reduced fertility, hair loss, acne, and behavioral changes. Anabolic androgenic steroid use has also been associated with hepatotoxicity and increased risk for heart disease. The U.S. Food and Drug Administration and other regulatory agencies warn that dietary supplements containing anabolic steroids are dangerous. 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

Everything else you take

See Every Supplement That Interacts With Zonisamide

This page covers Halodrol-50 only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Zonisamide page lists 206 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 · 157 moderate · 40 minor.

From our pharmacist’s overview on the Zonisamide page

“Zonisamide (Zonegran, Zonisade) keeps seizures under control, which means anything that shifts its blood level or stacks extra sedation on top deserves real respect, and nine of the 206 supplement ingredients on file rate major. Two big themes run through nearly everything here.”

Reviewed by 2 · Jul 18, 2026

Open the Zonisamide interaction page

How much people look this up

Where Halodrol-50 and Zonisamide 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 Halodrol-50
Steady interest

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

29 days ago today
Medication Zonisamide
Steady interest

#1,455 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 Halodrol-50 reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Halodrol-50 and Zonisamide 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 Halodrol-50

What is Halodrol-50?

  • Building muscle mass
  • Increasing strength
  • Bodybuilding and athletic performance
  • Body recomposition

Halodrol-50 is a brand-name 'prohormone' designer supplement, not an herb, that was marketed to build muscle and strength. Older versions contained synthetic anabolic steroid-like compounds that were later banned in the United States, and these substances carry real risks of liver injury and hormone disruption. Because product formulas have changed over time and ingredients can be unpredictable, we recommend avoiding it and talking with your pharmacist or doctor before using any prohormone product.

Not applicable (synthetic compound) · Tablets, capsules

An interaction check asks whether these two react with each other — it does not ask whether Halodrol-50 is a good idea for someone in your situation. Here is what our Halodrol-50 record says about it on its own.

Halodrol-50: dosing

There is no established safe or standardized dose for Halodrol-50, and we do not recommend using it.

From our Halodrol-50 monograph — the full record covers uses, side effects and every documented interaction.

Read the full Halodrol-50 monograph & all interactions
Medication

About Zonisamide

What Is Zonisamide Used For?

Brand names: Zonegran, Zonisade

Zonisamide is used as add-on therapy — meaning it is combined with other seizure medications, not used alone — to treat partial seizures (seizures that start in one part of the brain) in adults with epilepsy. Zonegran (capsule) and generic zonisamide capsules are approved for adults with epilepsy.

Zonisade (oral suspension) is approved as add-on therapy for partial-onset seizures in adults and in patients 16 years of age and older.

See full Zonisamide drug information
Keep checking

Other Drugs & Halodrol-50

Browse every other medication we’ve checked against Halodrol-50 — 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 Halodrol-50 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 Halodrol-50 list.

See the full Halodrol-50 interactions page
See every supplement checked against Zonisamide, ranked by severity
Evidence & sources

Halodrol-50 References

The 1 references that drive our Halodrol-50 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. Joseph JF, Parr MK. Synthetic androgens as designer supplements. Curr Neuropharmacol. 2015;13(1):89-100. 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 Halodrol-50 and Zonisamide Together: Common Questions

Is it safe to take Halodrol-50 with Zonisamide?
We do not list a known interaction between Halodrol-50 and Zonisamide. 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 Zonisamide interact with any supplements?
Yes. Zonisamide has documented interactions with 206 supplements in our database — Halodrol-50 is not one of them. The Zonisamide 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

Halodrol-50 monograph Uses, safety profile, and every drug interaction in one place Zonisamide drug information The full plain-English guide to this medication Zonisamide supplement interactions Every supplement checked against Zonisamide, 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 Zonisamide and Halodrol-50?

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.