Drug & supplement interaction

Biofeedback + Methazolamide

Methazolamide brand name: Neptazane.

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

We found no known interaction between Biofeedback and Methazolamide 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.

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Interaction report

Biofeedback and Methazolamide

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 Methazolamide and Biofeedback in our sources. This does not guarantee that the combination is completely free of risk — research on Biofeedback alongside specific medications may be limited.

Biofeedback is a treatment rather than something you take. Tell whoever provides it which medicines you use, and ask your prescriber whether it is appropriate for your health and treatment. 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.

Biofeedback safety at a glance

Biofeedback overall Generally safe Biofeedback is non-invasive and considered very safe for most people.
Pregnancy Generally safe Generally considered safe in pregnancy and sometimes used for stress, but check with your provider first.
Breastfeeding Generally safe There is no known risk while breastfeeding since nothing is ingested.

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

Still wondering about combining Methazolamide and Biofeedback? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Methazolamide

Interactions in our licensed database are recorded against drug classes, not just single drug names. Methazolamide is filed under 5 classifications — including carbonic anhydrase inhibitors, diuretic drugs, antihypertensive drugs. Biofeedback has documented interactions with 1 drug class — the most serious being seizure threshold lowering drugs (moderate) — and none of Methazolamide’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

Biofeedback Does Interact With Other Medications

Biofeedback has 418 moderate known drug interactions in our database — Methazolamide isn’t one of them. If you take anything else, check it against the full list below.

Moderate 418 No known interaction 2,412 (incl. Methazolamide)
Taking anything else?

Check Another of Your Medications Against Biofeedback

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

What to actually watch for

No Interaction Found — But Data Suggests Biofeedback and Methazolamide May Share Several of the Same Side Effects

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so having Biofeedback while taking the medicine can make those effects more likely to turn up, and harder to pin on one or the other if they do. One of them is worth acting on rather than waiting out — marked below.

  • Seizures Worth acting on Additional detail

    Biofeedback

    “Biofeedback is generally well tolerated. Electroencephalogram (EEG) biofeedback has been linked to reports of headaches, tiredness, dizziness, and decreased or increased seizure threshold. The tape from biofeedback sensors can cause skin irritation in some people.”

    Biofeedback · Natural Medicines adverse-effect record, reported in epilepsy.

    2 sources cited
    1. 16175. Friel PN. EEG biofeedback in the treatment of attention deficit hyperactivity disorder. Altern Med Rev 2007;12:146-51.
    2. 96834. Kent P, Laird R, Haines T. The effect of changing movement and posture using motion-sensor biofeedback, versus guidelines-based care, on the clinical outcomes of people with sub-acute or chronic low back pain-a multicentre, cluster-randomised, placebo-con

    “Electroencephalogram (EEG) biofeedback has been linked to reports of headaches, tiredness, and dizziness. Also, EEG biofeedback can either decrease or increase the seizure threshold depending on where sensors are placed.”

    Biofeedback · Natural Medicines adverse-effect record, reported in epilepsy.

    1 source cited
    1. 16175. Friel PN. EEG biofeedback in the treatment of attention deficit hyperactivity disorder. Altern Med Rev 2007;12:146-51.

    Methazolamide

    Listed in the ADVERSE REACTIONS section of the FDA label for Methazolamide. Read the label on DailyMed ›

  • Tiredness reported in 18.3% of FDA reports for Methazolamide Additional detail

    Biofeedback

    Recorded for Biofeedback in the same Natural Medicines adverse-effect record shown under Seizures above.

    Methazolamide

    Listed in the ADVERSE REACTIONS section of the FDA label for Methazolamide, and in voluntary FDA adverse-event reports. Read the label on DailyMed ›

Reported for Biofeedback but not commonly for Methazolamide: headache and dizziness.

Effects for Methazolamide come from the ADVERSE REACTIONS section of its FDA label; effects for Biofeedback come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 339 voluntary FDA FAERS reports for Methazolamide that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Everything else you take

See Every Supplement That Interacts With Methazolamide

This page covers Biofeedback only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Methazolamide page lists 218 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), Lithium (major) and Oleander (major).

By severity: 7 major · 187 moderate · 24 minor.

From our pharmacist’s overview on the Methazolamide page

“Methazolamide (Neptazane) treats glaucoma by lowering pressure inside the eye, and because it also has mild water-pill effects it can nudge blood pressure and potassium on its own. That is exactly where most of the 218 supplements on this page press, and the list earns real caution.”

Reviewed by 2 · Jul 18, 2026

Open the Methazolamide interaction page

How much people look this up

Where Biofeedback and Methazolamide 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 Biofeedback
Top 25%

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

29 days ago today
Medication Methazolamide
Steady interest

#1,739 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 Biofeedback reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Biofeedback and Methazolamide 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 .
Treatment approach

About Biofeedback

What is Biofeedback?

  • Chronic pain
  • Headaches and migraines
  • Anxiety and stress
  • High blood pressure
  • Urinary incontinence
  • Tension and muscle relaxation

Biofeedback is a mind-body technique, not an herb or supplement. It uses sensors to show you real-time information about body functions like heart rate, muscle tension, or skin temperature so you can learn to control them. It is generally very safe and has reasonable evidence for headaches, certain pain conditions, and pelvic floor problems, but it works best alongside standard medical care.

Not applicable (mind-body therapy, not a plant or supplement) · In-office sessions with sensors and a monitor, wearable devices, and home apps

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

Biofeedback: dosing

There is no pill or standard dose for biofeedback because it is a learned skill, not a substance. Treatment is usually given as a series of sessions, often weekly, with practice in between.The number of sessions needed varies by person and condition. Many programs involve several visits before skills are well learned. Home devices and apps come with their own instructions.For best results, work with a qualified, trained biofeedback practitioner and follow their plan.

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

Read the full Biofeedback monograph & all interactions
Medication

About Methazolamide

What Is Methazolamide Used For?

Brand name: Neptazane

Methazolamide tablets are used to treat eye conditions where lowering intraocular pressure (pressure inside the eye) is expected to help. These include chronic open-angle glaucoma and secondary glaucoma.

Methazolamide tablets are also used before surgery in acute angle-closure glaucoma, when reducing eye pressure ahead of the procedure is needed. Note that long-term use in angle-closure glaucoma is not appropriate.

Most-Reported Side Effects for Methazolamide

From FAERS, the FDA’s public side-effect reporting system (339 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Fatigue 41 reports
Dizziness 29 reports
Dyspnea 28 reports
Headache 28 reports
Blood pressure increased 22 reports
See full Methazolamide drug information
Keep checking

Other Drugs & Biofeedback

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

0Major
418Moderate
0Minor
2,411No known interaction
418 Moderate 2,411 No interaction
Moderate

418 interactions

Showing 60 of 418 moderate interactions — see all 418 on the Biofeedback page.

No interaction 2,411 drugs checked — show the list

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

Showing the 60 most looked-up of 2,411 medications checked with no known interaction — see the full Biofeedback list.

See the full Biofeedback interactions page
See every supplement checked against Methazolamide, ranked by severity
Evidence & sources

Biofeedback References

The 50 references that drive our Biofeedback 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. Rett MT, Simoes JA, Herrmann V, et al. Management of stress urinary incontinence with surface electromyography-assisted biofeedback in women of reproductive age. Phys Ther 2007;87;136-42. PubMed
  2. Kibar Y, Demir E, Irkilata C, et al. Effect of biofeedback treatment on spinning top urethra in children with voiding dysfunction. Urology 2007;70:781-5. PubMed
  3. Naimy N, Lindam AT, Bakka A, et al. Biofeedback vs. electrostimulation in the treatment of postdelivery anal incontinence: a randomized, clinical trial. Dis Colon Rectum 2007;50:2040-6. PubMed
  4. Ciancarelli I, Tozzi-Ciancarelli MG, Spacca G, et al. Relationship between biofeedback and oxidative stress in patients wtih chronic migraine. Cephalalgia 2007;27:1136-41.
  5. Babu AS, Mathew E, Danda D, Prakash H. Management of patients with fibromyalgia using biofeedback: a randomized control trial. Indian J Med Sci 2007;61:455-61. DOI
  6. Tsai PS, Chang NC, Chang WY, et al. Blood pressure biofeedback exerts intermediate-term effects on blood pressure and pressure reactivity in individuals with mild hypertension: a randomized controlled study. J Altern Complement Med 2007;13:547-54. PubMed
  7. Friel PN. EEG biofeedback in the treatment of attention deficit hyperactivity disorder. Altern Med Rev 2007;12:146-51.
  8. Byrne CM, Solomon MJ, Young JM, et al. Biofeedback for fecal incontinence: short-term outcomes of 513 consecutive patients and predictors of successful treatment. Dis Colon Rectum 2007;50:417-27. PubMed
  9. Woodford H, Price C. EMG biofeedback for the recovery of motor function after stroke. Cochrane Database Syst Rev 2007;(2):CD004585. DOI
  10. Karavidas MK, Lehrer PM, Vaschillo E, et al. Preliminary results of an open label study of heart rate variability biofeedback for the treatment of major depression. Appl Psychophysiol Biofeedback 2007;32:19-30. PubMed
  11. Heymen S, Scarlett Y, Jones K, et al. Randomized, controlled trial shows biofeedback to be superior to alternative treatments for patients with pelvic floor dyssynergia-type constipation. Dis Colon Rectum 2007;50:428-41. PubMed
  12. Qaseem A, Wilt TJ, McLean RM, et al. Noninvasive Treatments for Acute, Subacute, and Chronic Low Back Pain: A Clinical Practice Guideline From the American College of Physicians. Ann Intern Med. 2017;166(7):514-530. PubMed
  13. Carpinella I, Cattaneo D, Bonora G, et al. Wearable sensor-based biofeedback training for balance and gait in Parkinson disease: A pilot randomized controlled trial. Arch Phys Med Rehabil. 2017;98(4):622-630.e3. PubMed
  14. Stubberud A, Varkey E, McCrory DC, Pedersen SA, Linde M. Biofeedback as prophylaxis for pediatric migraine: A meta-analysis. Pediatrics. 2016;138(2). pii: e20160675. PubMed
  15. Sielski R, Rief W, Glombiewski JA. Efficacy of biofeedback in chronic back pain: a meta-analysis. Int J Behav Med. 2017;24(1):25-41. 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

Having Biofeedback While Taking Methazolamide: Common Questions

Is it safe to have Biofeedback while taking Methazolamide?
We do not list a known interaction between Biofeedback and Methazolamide. 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.
Do Biofeedback and Methazolamide have any of the same side effects?
Yes — our sources link each of them separately to 2 of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
How was the Biofeedback and Methazolamide combination checked?
Interactions in our licensed database are recorded against drug classes. Methazolamide is filed under 5 classifications, and Biofeedback has documented interactions with 1 drug class — none of Methazolamide'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 Biofeedback interact with any other medications?
Yes. Biofeedback has 418 documented drug interactions in our database — Methazolamide 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 Methazolamide interact with any supplements?
Yes. Methazolamide has documented interactions with 218 supplements in our database — Biofeedback is not one of them. The Methazolamide 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

Biofeedback monograph Uses, safety profile, and every drug interaction in one place Methazolamide drug information The full plain-English guide to this medication Methazolamide supplement interactions Every supplement checked against Methazolamide, 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 50 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Methazolamide and Biofeedback?

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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.