Ephedra - Codeine Phosphate, Pseudoephedrine, Triprolidine Interaction
Herbal: Ephedra
Also Known As: Ephedra distachya, Belcho, Cao Mahuang, Desert Herb, Ephedra Sinisa, Herbal Ecstasy, Indian Jointfir, Joint Fir, Ma Huang, Popotillo, Raisin de Mer, Sea Grape, Teamster's Tea, Yellow Astringent, Yellow Horse, Zhong Mahuang
Drug: Codeine Phosphate, Pseudoephedrine, Triprolidine
Brand names:
CoActifed

Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
May 04, 2025
Interaction Details
Codeine Phosphate, Pseudoephedrine, Triprolidine is classified as belonging to the following category: Stimulant Drugs
Theoretically, concomitant use might increase the risk for serious adverse effects.
Drugs with CNS stimulant properties might increase the risk of hypertension and the adverse cardiovascular effects of ephedra.
Interaction Rating
Likelihood of Occurrence
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.
References
- White LM, Gardner SF, Gurley BJ, et al. Pharmacokinetics and Cardiovascular Effects of Ma-Huang (Ephedra sinica) in Normotensive Adults. J Clin Pharmacol 1997;37:116-22.
- Haller CA, Benowitz NL. Adverse cardiovascular and central nervous system events associated with dietary supplements containing ephedra alkaloids. N Engl J Med 2000;343:1833-8.
- Kernan, W. N., Viscoli, C. M., Brass, L. M., Broderick, J. P., Brott, T., Feldmann, E., Morgenstern, L. B., Wilterdink, J. L., and Horwitz, R. I. Phenylpropanolamine and the risk of hemorrhagic stroke. N.Engl.J Med 12-21-2000;343(25):1826-1832.
Ephedra Overview

Ephedra - More Interactions
Ephedra interacts with 801 drugs
Interaction Rating Key
These severity listings are for informational use only. Never start, stop or otherwise change your therapy before speaking with your provider.
Major | The combined use of these agents is strongly discouraged as serious side effects or other negative outcomes could occur. |
Moderate | Use cautiously under the care of a healthcare professional or avoid this combination. A significant interaction or negative outcome could occur. |
Minor | Be aware that there is a chance of an interaction. Watch for warning signs of a potential interaction. |
Unknown | No interactions have been reported or no interaction data is currently available. |
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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.
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Drug descriptions are provided by MedlinePlus.