Drug & supplement interaction

Thymus Extract + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr

Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr brand name: Vicks Formula 44M Cough, Cold & Flu Relief.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 27, 2026
The bottom line No known interaction

We found no known interaction between Thymus Extract and Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr 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

Thymus Extract and Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr

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 Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr and Thymus Extract 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.

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.

Thymus Extract safety at a glance

Thymus Extract overall Use caution Human safety data are limited, and animal-tissue products carry a small risk of contamination.
Pregnancy Avoid There is not enough safety information, so it is best avoided during pregnancy.
Breastfeeding Avoid Safety during breastfeeding is unknown, so avoid use.

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

Still wondering about combining Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr and Thymus Extract? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr

Interactions in our licensed database are recorded against drug classes, not just single drug names. Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr is filed under 17 classifications — including cytochrome p450 2e1 (cyp2e1) substrates, glucuronidated drugs, cytochrome p450 2d6 (cyp2d6) inhibitors. Thymus Extract has documented interactions with 1 drug class — the most serious being immunosuppressants (moderate) — and none of Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr’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

Thymus Extract Does Interact With Other Medications

Thymus Extract has 121 moderate known drug interactions in our database — Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr isn’t one of them. If you take anything else, check it against the full list below.

Moderate 121 No known interaction 2,709 (incl. Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr)
Taking anything else?

Check Another of Your Medications Against Thymus Extract

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

Everything else you take

See Every Supplement That Interacts With Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr

This page covers Thymus Extract only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr page lists 275 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Asarabacca (major), Beer (major), Grapefruit (major) and Henbane (major).

By severity: 10 major · 220 moderate · 45 minor.

From our pharmacist’s overview on the Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr page

“A three-drug cold formula like Vicks Formula 44M (acetaminophen, chlorpheniramine, and dextromethorphan) gives supplements three separate targets, so its interaction list warrants real vigilance, starting with the ten major-rated entries. The dominant patterns track each ingredient.”

Reviewed by 2 · Jul 18, 2026

Open the Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr interaction page

How much people look this up

Where Thymus Extract and Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr 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 Thymus Extract
Steady interest

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

29 days ago today
Medication Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr
Top 10%

#191 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 Thymus Extract reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Thymus Extract and Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr 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 .
Supplement

About Thymus Extract

What is Thymus Extract?

  • Immune system support
  • Frequent infections
  • Allergies
  • Autoimmune conditions
  • Cancer supportive care

Thymus extract is a glandular product made from the thymus tissue of animals, and it is promoted mainly for immune support. The evidence is mostly limited, preliminary, or from older studies, so it should not replace proven treatments. Because it is an animal-tissue product, talk with your pharmacist or doctor before using it, especially if you have a serious medical condition.

Thymus gland tissue, usually from cattle or sheep · Capsules, tablets, oral liquid, injectable preparations (in some countries)

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

Thymus Extract: dosing

There is no well-established standard dose for thymus extract, and products vary widely in their strength and source. Do not assume that taking more is safer or more effective.

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

Read the full Thymus Extract monograph & all interactions
Medication

About Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr

Most-Reported Side Effects for Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr

From FAERS, the FDA’s public side-effect reporting system (3,261 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Fatigue 350 reports
Nausea 339 reports
Fever 318 reports
Headache 304 reports
Dyspnea 283 reports
Keep checking

Other Drugs & Thymus Extract

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

0Major
121Moderate
0Minor
2,708No known interaction
121 Moderate 2,708 No interaction
Moderate

121 interactions

Showing 60 of 121 moderate interactions — see all 121 on the Thymus Extract page.

No interaction 2,708 drugs checked — show the list

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

Showing the 60 most looked-up of 2,708 medications checked with no known interaction — see the full Thymus Extract list.

See the full Thymus Extract interactions page
See every supplement checked against Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr, ranked by severity
Evidence & sources

Thymus Extract References

The 2 references that drive our Thymus Extract 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. Lewis CJ. Letter to reiterate certain public health and safety concerns to firms manufacturing or importing dietary supplements that contain specific bovine tissues. FDA. Available at: www.cfsan.fda.gov/~dms/dspltr05.html.
  2. Nationwide alert on hallmark labs injectable adrenal cortex extract. FDA. Available at: www.fda.gov/bbs/topics/NEWS/NEW00539.html

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 Thymus Extract and Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr Together: Common Questions

Is it safe to take Thymus Extract with Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr?
We do not list a known interaction between Thymus Extract and Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr. 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.
How was the Thymus Extract and Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr combination checked?
Interactions in our licensed database are recorded against drug classes. Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr is filed under 17 classifications, and Thymus Extract has documented interactions with 1 drug class — none of Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr'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 Thymus Extract interact with any other medications?
Yes. Thymus Extract has 121 documented drug interactions in our database — Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr 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 Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr interact with any supplements?
Yes. Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr has documented interactions with 275 supplements in our database — Thymus Extract is not one of them. The Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr 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

Thymus Extract monograph Uses, safety profile, and every drug interaction in one place Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr supplement interactions Every supplement checked against Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr, 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 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan HBr and Thymus Extract?

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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.