Drug & supplement interaction

Lime + Clemastine Fumarate, Phenylpropanolamine

Clemastine Fumarate, Phenylpropanolamine brand name: Tavist-D.

Moderate Interaction
Medically reviewed by · Updated October 2026
The bottom line Moderate

Lime has a moderate interaction with Clemastine Fumarate, Phenylpropanolamine. Theoretically, concomitant use of lime oil with photosensitizing drugs may increase the risk of phototoxicity.

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

Lime and Clemastine Fumarate, Phenylpropanolamine

Here is the interaction we found between these two, with the evidence behind it.

Moderate

PHOTOSENSITIZING DRUGS

Why this applies to Clemastine Fumarate, Phenylpropanolamine

Clemastine Fumarate, Phenylpropanolamine falls under PHOTOSENSITIZING DRUGS — the group Lime interacts with.

Theoretically, concomitant use of lime oil with photosensitizing drugs may increase the risk of phototoxicity.
Severity Moderate 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 short version: this isn't about lime juice in your water or a slice on your taco. The concern is with concentrated lime essential oil, which contains compounds that can make skin more sensitive to sunlight. Tavist-D (clemastine plus phenylpropanolamine) is listed among medicines that may also raise your skin's reaction to the sun, so layering the two could, in theory, leave you more prone to a sunburn-like rash or redness on exposed skin.

I want to be honest about the strength of this one. It comes only from lab and animal data, not real patient reports, so it's more a cautious heads-up than a proven problem. Eating limes is fine. If you use lime oil on your skin, wear sunscreen and ask your pharmacist if you have questions.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Naganuma M, Hirose S, Nakayama Y, et al. A study of the phototoxicity of lemon oil. Arch Dermatol Res 1985;278:31-6. . PubMed

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

Lime Also Interacts With Other Medications

Lime has 887 moderate known drug interactions in our database — the Clemastine Fumarate, Phenylpropanolamine one above is one of them. If you take anything else, check it against the full list below.

Moderate 887 No known interaction 1,943 (incl. Clemastine Fumarate, Phenylpropanolamine)
Taking anything else?

Check Another of Your Medications Against Lime

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

Everything else you take

See Every Supplement That Interacts With Clemastine Fumarate, Phenylpropanolamine

This page covers Lime only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Clemastine Fumarate, Phenylpropanolamine page lists 111 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Ephedra (major), Henbane (major), Peyote (major) and Rauvolfia Vomitoria (major).

By severity: 7 major · 88 moderate · 16 minor.

From our pharmacist’s overview on the Clemastine Fumarate, Phenylpropanolamine page

“Tavist-D combines clemastine, a sedating antihistamine, with phenylpropanolamine, a stimulant decongestant, so supplements can pull it in either direction, and this list deserves genuine attention rather than a quick skim. Seven of the 111 ingredients on file rate major, and most of the trouble follows two patterns.”

Reviewed by 2 · Jul 18, 2026

Open the Clemastine Fumarate, Phenylpropanolamine interaction page

One more smart check

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

We hold 322 real supplement products containing Lime, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Lime. Your product may carry other ingredients that interact with Clemastine Fumarate, Phenylpropanolamine too, on top of Lime — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Lime and Clemastine Fumarate, 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 Lime
Top 25%

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

29 days ago today
Medication Clemastine Fumarate, Phenylpropanolamine
Steady interest

#1,617 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 Lime

What is Lime?

Lime
  • Source of vitamin C
  • Digestive upset
  • Skin care
  • Mood and aromatherapy
  • Flavoring and food preservation

Lime is a common citrus fruit and a good natural source of vitamin C and plant antioxidants. As a food it is generally safe and enjoyed by most people, but evidence that lime treats any specific health condition is limited. Use the essential oil with care, and check with your pharmacist or doctor before using concentrated lime products for health reasons.

Read the full Lime monograph & all interactions
Keep checking

Other Drugs & Lime

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

0Major
887Moderate
0Minor
1,942No known interaction
887 Moderate 1,942 No interaction
Moderate

887 interactions

Showing 60 of 887 moderate interactions — see all 887 on the Lime page.

No interaction 1,942 drugs checked — show the list

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

Showing the 60 most looked-up of 1,942 medications checked with no known interaction — see the full Lime list.

See the full Lime interactions page
See every supplement checked against Clemastine Fumarate, Phenylpropanolamine, 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
Lime monograph › Uses, safety, and every drug interaction in one place Clemastine Fumarate, Phenylpropanolamine supplement interactions › Every supplement checked against Clemastine Fumarate, Phenylpropanolamine, 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 Lime and Clemastine Fumarate, Phenylpropanolamine Together: Common Questions

Can you take Lime with Clemastine Fumarate, Phenylpropanolamine?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
How serious is the Lime and Clemastine Fumarate, Phenylpropanolamine interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

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

Still Have a Question About Clemastine Fumarate, Phenylpropanolamine and Lime?

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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.