Drug & supplement interaction

Caralluma + Chlorpheniramine, Phenylephrine, Phenylpropanolamine

Chlorpheniramine, Phenylephrine, Phenylpropanolamine brand name: Rutuss.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Caralluma and Chlorpheniramine, Phenylephrine, Phenylpropanolamine 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

Caralluma and Chlorpheniramine, Phenylephrine, Phenylpropanolamine

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 Chlorpheniramine, Phenylephrine, Phenylpropanolamine and Caralluma 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 Caralluma at all — not against Chlorpheniramine, Phenylephrine, Phenylpropanolamine, 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.

Caralluma safety at a glance

Caralluma overall Use caution Generally tolerated short-term in studies, but long-term safety is not well established.
Pregnancy Avoid Not enough safety information, so it is best avoided during pregnancy.
Breastfeeding Avoid No reliable safety data, so avoid while breastfeeding.

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

Still wondering about combining Chlorpheniramine, Phenylephrine, Phenylpropanolamine and Caralluma? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Caralluma Itself Has Been Linked To

This is not an interaction — nothing below involves Chlorpheniramine, Phenylephrine, Phenylpropanolamine. It is the side-effect record for Caralluma on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Caralluma, this list is the first place to look. One entry is worth acting on rather than waiting out — marked below.

  • Raised blood pressure Worth acting on Additional detail

    “Orally, in one clinical trial, one patient with a history of hypertension receiving caralluma extract 500 mg twice daily experienced a transient increase in blood pressure. However, it subsided, and the subject remained on the extract without reappearance of the adverse event.”

    Caralluma · Natural Medicines adverse-effect record, reported in hypertension.

    1 source cited
    1. 94080. Arora E, Khajuria V, Tandon VR, et al. To evaluate efficacy and safety of Caralluma fimbriata in overweight and obese patients: a randomized, single blinded, placebo control trial. Perspect Clin Res 2015;6(1):39-44. PubMed
  • Bloating or gas / Stomach upset / Constipation Additional detail

    “Orally, in clinical trials, side effects have included gastrointestinal upset, abdominal distention, flatulence, constipation, and gastritis. These side effects appeared to subside within the first two weeks of use and have also been reported in patients taking placebo.”

    Caralluma · Natural Medicines adverse-effect record, reported in constipation.

Everything above comes from the Natural Medicines adverse-effect record for Caralluma — expand a row for the licensed statement it rests on. We haven’t matched Chlorpheniramine, Phenylephrine, Phenylpropanolamine to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Chlorpheniramine, Phenylephrine, Phenylpropanolamine.

Everything else you take

See Every Supplement That Interacts With Chlorpheniramine, Phenylephrine, Phenylpropanolamine

This page covers Caralluma only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Chlorpheniramine, Phenylephrine, Phenylpropanolamine page lists 229 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 · 44 minor.

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

“Rutuss combines an antihistamine, chlorpheniramine, with two decongestants, phenylephrine and phenylpropanolamine, and its supplement interactions call for real care. Ten of the 229 ingredients on file carry a major rating.”

Reviewed by 2 · Jul 18, 2026

Open the Chlorpheniramine, Phenylephrine, Phenylpropanolamine interaction page

One more smart check

Taking Caralluma as Part of a Dietary Supplement Product? Check It for Interactions

We hold 151 real supplement products containing Caralluma, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Caralluma. Even though Caralluma itself has no known interaction with Chlorpheniramine, Phenylephrine, Phenylpropanolamine, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Caralluma and Chlorpheniramine, Phenylephrine, Phenylpropanolamine 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 Caralluma
Top half

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

29 days ago today
Medication Chlorpheniramine, Phenylephrine, Phenylpropanolamine
Steady interest

#2,057 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 Caralluma reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Caralluma and Chlorpheniramine, Phenylephrine, Phenylpropanolamine 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 Caralluma

What is Caralluma?

  • Appetite suppression
  • Weight management
  • Reducing waist circumference
  • Boosting energy/endurance

Caralluma fimbriata is an edible succulent plant from India that is marketed mainly as an appetite suppressant and weight-loss aid. Some small studies suggest it may modestly reduce appetite or waist size, but the overall evidence is limited and not strong. Talk to your pharmacist or doctor before trying it, and avoid it during pregnancy and breastfeeding.

Caralluma fimbriata · Apocynaceae · Aerial parts (stems) and whole-plant extract · Capsules, tablets, powder, standardized extract

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

Caralluma: dosing

There is no official or well-established standard dose for Caralluma. Studies have used standardized extracts, but the amounts varied, and there is not enough consistent evidence to recommend a specific milligram dose.The best approach is to follow the directions on the product label and not exceed the recommended amount. Because supplement strengths differ, it is a good idea to review the specific product with your pharmacist or doctor before using it.

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

Read the full Caralluma monograph & all interactions
Keep checking

Other Drugs & Caralluma

Browse every other medication we’ve checked against Caralluma — 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

Caralluma References

The 1 references that drive our Caralluma 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. Arora E, Khajuria V, Tandon VR, et al. To evaluate efficacy and safety of Caralluma fimbriata in overweight and obese patients: a randomized, single blinded, placebo control trial. Perspect Clin Res 2015;6(1):39-44. 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 Caralluma and Chlorpheniramine, Phenylephrine, Phenylpropanolamine Together: Common Questions

Is it safe to take Caralluma with Chlorpheniramine, Phenylephrine, Phenylpropanolamine?
We do not list a known interaction between Caralluma and Chlorpheniramine, Phenylephrine, Phenylpropanolamine. 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.
Does Chlorpheniramine, Phenylephrine, Phenylpropanolamine interact with any supplements?
Yes. Chlorpheniramine, Phenylephrine, Phenylpropanolamine has documented interactions with 229 supplements in our database — Caralluma is not one of them. The Chlorpheniramine, Phenylephrine, Phenylpropanolamine 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 Chlorpheniramine, Phenylephrine, Phenylpropanolamine and Caralluma?

Our pharmacists answer your medication & supplement questions — free.

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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.