Butylated Hydroxytoluene (bht) + Brinzolamide
Brinzolamide brand name: Azopt.
We found no known interaction between Butylated Hydroxytoluene (bht) and Brinzolamide 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. Additionally, although there is no interaction, the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.
Butylated Hydroxytoluene (bht) and Brinzolamide
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 Brinzolamide and Butylated Hydroxytoluene (bht) 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 Butylated Hydroxytoluene (bht) at all — not against Brinzolamide, 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.
Butylated Hydroxytoluene (bht) safety at a glance
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.
Butylated Hydroxytoluene (bht) in Pregnancy & Breastfeeding
When used orally as a food additive.
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
See Every Supplement That Interacts With Brinzolamide
This page covers Butylated Hydroxytoluene (bht) only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Brinzolamide page lists 3 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Dimethylsulfoxide (dmso) (moderate), Turpentine Oil (moderate) and Alchemilla (minor).
By severity: 2 moderate · 1 minor.
From our pharmacist’s overview on the Brinzolamide page
“Brinzolamide (Azopt) eye drops lower pressure inside the eye in glaucoma, and its supplement record is short enough to learn in a minute. Just three ingredients interact, two rated moderate and one minor, none major, so treat this as a heads-up rather than a warning.”
Reviewed by 2 · Jul 18, 2026
Where Butylated Hydroxytoluene (bht) and Brinzolamide 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.
#1,291 of 1,452 supplements looked up here in the last 7 days
#1,029 of 2,830 medications looked up here in the last 7 days
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 Butylated Hydroxytoluene (bht) reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Butylated Hydroxytoluene (bht) and Brinzolamide 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.
About Butylated Hydroxytoluene (bht)
What is Butylated Hydroxytoluene (bht)?
- Antioxidant supplement
- Antiviral (popular self-treatment for herpes-type viruses)
- Food and supplement preservative
- General 'anti-aging' use
Butylated hydroxytoluene (BHT) is a man-made antioxidant used mainly as a preservative in foods, cosmetics, and supplements. Some people take it as a supplement hoping for antiviral or anti-aging effects, but human evidence for these uses is very weak, and taking concentrated BHT carries real safety concerns. Talk with a pharmacist or doctor before using it as a supplement.
Synthetic compound (not from a plant) · Capsules, tablets, liquid drops, powder
An interaction check asks whether these two react with each other — it does not ask whether Butylated Hydroxytoluene (bht) is a good idea for someone in your situation. Here is what our Butylated Hydroxytoluene (bht) record says about it on its own.
Butylated Hydroxytoluene (bht): dosing
There is no established or proven safe supplement dose of BHT. It is not a standardized medical treatment, and doses found in supplements vary widely.If you choose to use a BHT product, follow the directions on the label and do not exceed them.
From our Butylated Hydroxytoluene (bht) monograph — the full record covers uses, side effects and every documented interaction.
About Brinzolamide Ophthalmic
What Is Brinzolamide Ophthalmic Used For?
Brand name: Azopt
Brinzolamide ophthalmic suspension 1% is used to treat elevated intraocular pressure (IOP) — that is, higher-than-normal pressure inside the eye. It is prescribed for two conditions: ocular hypertension (high eye pressure without vision loss) and open-angle glaucoma (the most common form of glaucoma).
Keeping eye pressure in a healthy range is important because high IOP is a major risk factor for damaging the optic nerve and losing vision over time.
Most-Reported Side Effects for Brinzolamide
From FAERS, the FDA’s public side-effect reporting system (12,592 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.
Other Drugs & Butylated Hydroxytoluene (bht)
Browse every other medication we’ve checked against Butylated Hydroxytoluene (bht) — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
No interaction 2,829 drugs checked — show the list
We also checked Butylated Hydroxytoluene (bht) against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Sertraline ›
- Testosterone ›
- Ivermectin ›
- Losartan Potassium ›
- Abemaciclib ›
- Aspirin ›
- Acetaminophen ›
- Metoprolol ›
- Rosuvastatin ›
- Rivaroxaban ›
- Escitalopram ›
- Clopidogrel ›
- Atorvastatin ›
- Docusate ›
- Tadalafil ›
- Tirzepatide ›
- Methamphetamine ›
- Ibuprofen ›
- Warfarin Sodium ›
- Valacyclovir ›
- Hydroxyurea ›
- Sumatriptan ›
- Semaglutide ›
- Prednisone ›
- Propranolol ›
- Lisdexamfetamine ›
- Amitriptyline ›
- Metformin ›
- Amoxicillin ›
- Lisinopril ›
- Isotretinoin ›
- Amlodipine Besylate ›
- Bendamustine ›
- Methotrexate ›
- Bupropion ›
- Amphetamine ›
- Fluoxetine ›
- Doxycycline ›
- Azithromycin ›
- Acyclovir ›
- Pregabalin ›
- Lamotrigine ›
- Dextroamphetamine ›
- Gabapentin ›
- Acetaminophen, Codeine ›
- Levothyroxine, Liothyronine ›
- Clonazepam ›
- Quetiapine ›
- Naproxen ›
- Omeprazole ›
- Letrozole ›
- Duloxetine ›
- Methylene Blue ›
- Buspirone ›
- Citalopram ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Butylated Hydroxytoluene (bht) list.
Butylated Hydroxytoluene (bht) References
The 6 references that drive our Butylated Hydroxytoluene (bht) 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.
- Williams GM, Iatropoulos MJ, Whysner J. Safety assessment of butylated hydroxyanisole and butylated hydroxytoluene as antioxidant food additives. Food Chem Toxicol 1999;37:1027-38.. PubMed
- Botterweck AA, Verhagen H, Goldbohm RA, et al. Intake of butylated hydroxyanisole and butylated hydroxytoluene and stomach cancer risk: results from analyses in the Netherlands Cohort Study. Food Chem Toxicol 2000;38:599-605.. PubMed
- Freeman DJ, Wenerstrom G, Spruance SL. Treatment of recurrent herpes simplex labialis with topical butylated hydroxytoluene. Clin Pharmacol Ther 1985;38:56-9.. PubMed
- Shlian DM, Goldstone J. Toxicity of butylated hydroxytoluene. N Engl J Med 1986;314:648-9. DOI
- Grogan MW. Toxicity from BHT ingestion. West J Med 1986;145:245-6.
- Shlian DM, Goldstone J. More on BHT toxicity. West J Med 1986;145:699.
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.
Taking Butylated Hydroxytoluene (bht) and Brinzolamide Together: Common Questions
Is it safe to take Butylated Hydroxytoluene (bht) with Brinzolamide?
Do Butylated Hydroxytoluene (bht) and Brinzolamide have any of the same side effects?
Does Brinzolamide interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.