Drug & supplement interaction

Puravive + Chlorpheniramine, Methscopolamine, Phenylephrine

Chlorpheniramine, Methscopolamine, Phenylephrine brand names: DA II, Extendryl JR, Dallergy, Extendryl SR, Extendryl Chews, and others.

Minor Interaction
Medically reviewed by · Updated February 2024
The bottom line Minor

Chlorpheniramine, Methscopolamine, Phenylephrine falls into 2 drug categories that Puravive can interact with; the most serious is rated minor. Puravive contains Panax ginseng. Panax ginseng has the potential to affect the breakdown of drugs that are metabolized by an enzyme called CYP3A4.

Read the full interaction report
SeverityMinor
LikelihoodPossible
Interactions2
EvidenceD
What do Severity, Likelihood & Evidence mean?
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Interaction report

Puravive and Chlorpheniramine, Methscopolamine, Phenylephrine

These two interact in 2 distinct ways. Each one is explained separately below.

Why Are There 2 Interactions?

Puravive interacts with whole categories of medication. Chlorpheniramine, Methscopolamine, Phenylephrine falls into 2 of those categories, so it can interact with Puravive in 2 different ways. We’ve listed each one below — your overall risk is driven by the most serious of them (Minor).

Minor

Cytochrome P450 3A4 (Cyp3A4) Substrates

1 of 2

Why this applies to Chlorpheniramine, Methscopolamine, Phenylephrine

Chlorpheniramine, Methscopolamine, Phenylephrine falls under Cytochrome P450 3A4 (Cyp3A4) Substrates — the group Puravive interacts with.

Puravive contains Panax ginseng. Panax ginseng has the potential to affect the breakdown of drugs that are metabolized by an enzyme called CYP3A4. One example of such a drug is imatinib. There was a case where imatinib was thought to have caused liver damage, and it was believed that this might have been due to Panax ginseng inhibiting CYP3A4, which is involved in imatinib's metabolism (https://pubmed.ncbi.nlm.nih.gov/20332334/). On the other hand, Panax ginseng has been found to increase the breakdown of another drug called midazolam, which is also metabolized by CYP3A4 (https://pubmed.ncbi.nlm.nih.gov/21646440/), suggesting Panax ginseng induces CYP3A4 in some cases (i.e., makes more potent). Given these contradictory findings, it is important to use Panax ginseng cautiously if you are taking medications that are metabolized by CYP3A4, as the interaction between Panax ginseng and these drugs is not fully understood.
Severity Minor Likelihood Possible Evidence D

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the gist for these combo cold and allergy products (which pair the antihistamine chlorpheniramine with phenylephrine and methscopolamine). Puravive contains Panax ginseng, and ginseng can nudge the CYP3A4 enzyme that helps clear chlorpheniramine. The tricky part is the research pulls in two directions: in some studies ginseng slows that enzyme down, in others it speeds it up, so we can't say with confidence which way it would go here.

The honest bottom line: this is rated a minor interaction with weak, theoretical evidence, so I wouldn't lose sleep over it. If the enzyme were blocked, you might just notice more drowsiness or dry mouth. To be safe, run it by your pharmacist before combining them.

Contact Dr. Brian directly if you have additional questions on this interaction
Minor

Stimulant Drugs

2 of 2

Chlorpheniramine, Methscopolamine, Phenylephrine also falls under Stimulant Drugs.

Puravive contains Panax ginseng. Panax ginseng has demonstrated stimulant effects in some studies, which could potentially heighten the effects of other stimulant drugs (source: https://pubmed.ncbi.nlm.nih.gov/8879982/). It is unlikely this would result in a significant risk of side effects, but it is important to be aware of.
Severity Minor Likelihood Unlikely Evidence D

Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans..

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

The piece of this combo product I want to focus on is the phenylephrine, which is a decongestant with mild stimulant-like properties. Puravive contains Panax ginseng, and ginseng has shown some stimulant effects in a few studies. Stacking the two together could, in theory, nudge those effects up a notch. With phenylephrine, that might look like a faster or pounding heartbeat, feeling jittery or wired, trouble sleeping, or a small bump in blood pressure.

Honestly, the evidence here is thin and the risk is rated as minor and unlikely, so this isn't a reason to panic. None of these are prodrugs, so the direction is simply additive. Still, if you have high blood pressure, heart issues, or a thyroid condition, check with your pharmacist or doctor first.

Contact Dr. Brian directly if you have additional questions on this interaction

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Puravive Also Interacts With Other Medications

Puravive has 357 moderate, 880 minor known drug interactions in our database — the Chlorpheniramine, Methscopolamine, Phenylephrine one above is among them. If you take anything else, check it against the full list below.

Moderate 357 Minor 880 No known interaction 1,593 (incl. Chlorpheniramine, Methscopolamine, Phenylephrine)
Taking anything else?

Check Another of Your Medications Against Puravive

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

From our Q&A

Questions About Puravive or Chlorpheniramine, Methscopolamine, Phenylephrine

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Puravive or Chlorpheniramine, Methscopolamine, Phenylephrine, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Chlorpheniramine, Methscopolamine, Phenylephrine

This page covers Puravive only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Chlorpheniramine, Methscopolamine, Phenylephrine page lists 230 supplements it has a documented interaction with, worst first, each one explained.

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

By severity: 10 major · 175 moderate · 45 minor.

From our pharmacist’s overview on the Chlorpheniramine, Methscopolamine, Phenylephrine page

“This allergy and congestion combination, Chlorpheniramine, Methscopolamine, and Phenylephrine (Dallergy, Extendryl), has 230 supplement and herbal ingredients on its interaction list, and 10 of them carry major ratings, so this is a list to check carefully rather than skim. The largest group works through the liver enzyme that breaks t…”

Reviewed by 2 · Jul 18, 2026

Open the Chlorpheniramine, Methscopolamine, Phenylephrine interaction page

How much people look this up

Where Puravive and Chlorpheniramine, Methscopolamine, Phenylephrine 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 Puravive
Steady interest

#1,077 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Chlorpheniramine, Methscopolamine, Phenylephrine
Top half

#876 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.

Supplement

About Puravive

What is Puravive?

Puravive
  • Weight management
  • Metabolism support
  • Energy levels
  • General wellness
  • Stress and brain health

Puravive is a branded, multi-ingredient capsule marketed mainly for weight loss by claiming to boost brown fat activity, but there is no published, independent clinical research showing the product itself works for this purpose. Some individual ingredients have been studied in laboratory or small human studies, but those results do not prove the finished blend is safe or effective. Talk to a pharmacist or doctor before trying it, especially if you have health conditions or take medications.

Read the full Puravive monograph & all interactions
Keep checking

Other Drugs & Puravive

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

0Major
357Moderate
880Minor
1,592No known interaction
357 Moderate 880 Minor 1,592 No interaction
Moderate

357 interactions

Showing 60 of 357 moderate interactions — see all 357 on the Puravive page.

Minor

880 interactions

Showing 60 of 880 minor interactions — see all 880 on the Puravive page.

No interaction 1,592 drugs checked — show the list

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

Showing the 60 most looked-up of 1,592 medications checked with no known interaction — see the full Puravive list.

See the full Puravive interactions page
See every supplement checked against Chlorpheniramine, Methscopolamine, Phenylephrine, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Puravive monograph › Uses, safety, and every drug interaction in one place Chlorpheniramine, Methscopolamine, Phenylephrine supplement interactions › Every supplement checked against Chlorpheniramine, Methscopolamine, Phenylephrine, 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 Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Puravive and Chlorpheniramine, Methscopolamine, Phenylephrine Together: Common Questions

Can you take Puravive with Chlorpheniramine, Methscopolamine, Phenylephrine?
There is only a minor interaction, which is usually not serious. Read the full details on this page and confirm with your pharmacist before combining them.
Why are there 2 interactions listed for Puravive and Chlorpheniramine, Methscopolamine, Phenylephrine?
Chlorpheniramine, Methscopolamine, Phenylephrine belongs to more than one drug category, and Puravive interacts with each of those categories a little differently. We list every one so nothing is missed — your overall risk is driven by the most serious of them.
How serious is the Puravive and Chlorpheniramine, Methscopolamine, Phenylephrine interaction?
We rate it Minor. This interaction is generally not clinically significant, but it remains worth noting and discussing with your pharmacist.

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

Still Have a Question About Chlorpheniramine, Methscopolamine, Phenylephrine and Puravive?

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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.