Drug & supplement interaction

Bredesen Protocol + Doxylamine Succinate, Pyridoxine Hydrochloride

Doxylamine Succinate, Pyridoxine Hydrochloride brand names: Diclegis, Bonjesta.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Bredesen Protocol and Doxylamine Succinate, Pyridoxine Hydrochloride 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 label for Doxylamine Succinate, Pyridoxine Hydrochloride states a food rule worth keeping to.

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Interaction report

Bredesen Protocol and Doxylamine Succinate, Pyridoxine Hydrochloride

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 Doxylamine Succinate, Pyridoxine Hydrochloride and Bredesen Protocol 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 Bredesen Protocol at all — not against Doxylamine Succinate, Pyridoxine Hydrochloride, 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.

Bredesen Protocol safety at a glance

Bredesen Protocol overall Use caution It involves many supplements and major lifestyle changes that should be supervised by a clinician.
Pregnancy Avoid The program is not intended for pregnancy and includes supplements not studied in pregnant people.
Breastfeeding Avoid Safety while breastfeeding has not been established for this multi-supplement program.

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

Still wondering about combining Doxylamine Succinate, Pyridoxine Hydrochloride and Bredesen Protocol? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Doxylamine Succinate, Pyridoxine Hydrochloride’s Own FDA Label Lists

This is not an interaction — none of it involves Bredesen Protocol. These are the most notable effects listed in the ADVERSE REACTIONS section of Doxylamine Succinate, Pyridoxine Hydrochloride’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. 6 of them are worth acting on rather than waiting out — marked below.

  • Pain or burning when passing urine Worth acting on
  • Trouble passing urine Worth acting on
  • Confusion Worth acting on
  • Chest pain Worth acting on
  • Shortness of breath Worth acting on
  • An allergic reaction Worth acting on
  • Vivid dreams or nightmares
  • Migraine
  • Mood changes or irritability
  • Bloating or gas

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 Doxylamine Succinate, Pyridoxine Hydrochloride. Read the label on DailyMed › Bredesen Protocol’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Bredesen Protocol side to compare — that is a limit of the record, not a statement that Bredesen Protocol has no side effects.

How to take them

Some Doxylamine Succinate, Pyridoxine Hydrochloride Products Have a Food Rule — Bredesen Protocol Should Not Break It

At least one FDA label for a product containing Doxylamine Succinate, Pyridoxine Hydrochloride says to take it on an empty stomach. Most supplements — Bredesen Protocol included — are taken with a meal, so the easy mistake is swallowing both together at breakfast. Where that rule applies, keep Doxylamine Succinate, Pyridoxine Hydrochloride on its own and move Bredesen Protocol to a meal later in the day.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Doxylamine Succinate, Pyridoxine Hydrochloride products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.

Take on an empty stomach with a glass of water [ see Clinical Pharmacology (12.3) ].

From the Dosage and Administration section of the FDA label we read for Doxylamine Succinate, Pyridoxine Hydrochloride — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›

A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.

Everything else you take

See Every Supplement That Interacts With Doxylamine Succinate, Pyridoxine Hydrochloride

This page covers Bredesen Protocol only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Doxylamine Succinate, Pyridoxine Hydrochloride page lists 46 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Henbane (major), Scopolia (major), Angel's Trumpet (moderate) and Bacopa (moderate).

By severity: 3 major · 32 moderate · 11 minor.

From our pharmacist’s overview on the Doxylamine Succinate, Pyridoxine Hydrochloride page

“If you take doxylamine and pyridoxine (Diclegis, Bonjesta) for pregnancy nausea, this list deserves genuine care, because three of its 46 entries carry a major rating. The risk splits two ways.”

Reviewed by 2 · Jul 18, 2026

Open the Doxylamine Succinate, Pyridoxine Hydrochloride interaction page

How much people look this up

Where Bredesen Protocol and Doxylamine Succinate, Pyridoxine Hydrochloride 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 Bredesen Protocol
Steady interest

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

29 days ago today
Medication Doxylamine Succinate, Pyridoxine Hydrochloride
Steady interest

#2,100 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 Bredesen Protocol reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Bredesen Protocol and Doxylamine Succinate, Pyridoxine Hydrochloride 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 Bredesen Protocol

What is Bredesen Protocol?

  • Early memory loss
  • Mild cognitive impairment
  • Early Alzheimer's disease
  • Cognitive decline prevention
  • Brain health support

The Bredesen Protocol is not a herb or single supplement—it is a complex, individualized program of diet, exercise, sleep, stress reduction, and many supplements aimed at slowing or reversing cognitive decline. Rigorous, large, controlled studies are lacking, so its benefits remain unproven, and it should only be tried under medical supervision. Talk with your doctor or pharmacist before starting any part of it.

Multi-part lifestyle and supplement program (diet, exercise, sleep, supplements, and other interventions)

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

Bredesen Protocol: dosing

There is no single standard dose for the Bredesen Protocol because it is a personalized, multi-part program, not one product. The supplements, diet, and other steps are meant to be tailored to each person based on testing and a practitioner's guidance.If you choose to explore it, do so under the supervision of a qualified clinician and review every supplement with your pharmacist to check the dose and avoid duplication or excess. Always follow the label on any product you take and do not exceed recommended amounts.

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

Read the full Bredesen Protocol monograph & all interactions
Medication

About Doxylamine and Pyridoxine

What Is Doxylamine and Pyridoxine Used For?

Brand names: Diclegis, Bonjesta

Doxylamine and pyridoxine is indicated for the treatment of nausea and vomiting of pregnancy in women who do not respond to conservative management. This applies to the delayed-release tablets (including Diclegis and the generic doxylamine succinate and pyridoxine hydrochloride delayed-release tablets) as well as to Bonjesta, the extended-release tablet formulation.

None of these products have been studied in women with hyperemesis gravidarum (severe, persistent vomiting in pregnancy), so their use in that setting is not established.

See full Doxylamine and Pyridoxine drug information
Keep checking

Other Drugs & Bredesen Protocol

Browse every other medication we’ve checked against Bredesen Protocol — 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
No interaction 2,829 drugs checked — show the list
Evidence & sources

Bredesen Protocol References

The 1 references that drive our Bredesen Protocol 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. Bredesen DE. Reversal of cognitive decline: a novel therapeutic program. Aging (Albany NY). 2014;6(9):707-17. 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 Bredesen Protocol and Doxylamine Succinate, Pyridoxine Hydrochloride Together: Common Questions

Is it safe to take Bredesen Protocol with Doxylamine Succinate, Pyridoxine Hydrochloride?
We do not list a known interaction between Bredesen Protocol and Doxylamine Succinate, Pyridoxine Hydrochloride. 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.
Should I take Bredesen Protocol and Doxylamine Succinate, Pyridoxine Hydrochloride at the same time of day?
At least one FDA label for a product containing Doxylamine Succinate, Pyridoxine Hydrochloride says to take it on an empty stomach, and supplements are usually taken with a meal — so taking them together at breakfast is the easy mistake. Where that applies, keep Doxylamine Succinate, Pyridoxine Hydrochloride on its own and move Bredesen Protocol to a meal later in the day. Food instructions belong to the product rather than the ingredient, so check the directions on your own box. This is about absorption, not an interaction.
Does Doxylamine Succinate, Pyridoxine Hydrochloride interact with any supplements?
Yes. Doxylamine Succinate, Pyridoxine Hydrochloride has documented interactions with 46 supplements in our database — Bredesen Protocol is not one of them. The Doxylamine Succinate, Pyridoxine Hydrochloride interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Doxylamine Succinate, Pyridoxine Hydrochloride and Bredesen Protocol?

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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.