Lemon Verbena - Loftran (Ketazolam) Interaction
Herbal: Lemon Verbena
Also Known As: Herb Louisa, Hierba Luisa, Lemon-Scented Verbena, Louisa, Verbena Citrodora, Verveine Citronnée, Verveine Citronnelle, Verveine des Indes, Verveine Odorante, Aloysia citrodora
Drug: Ketazolam
Brand names:
Loftran

Medical Content Editor Dr. Brian Staiger, PharmD
Last updated
May 04, 2025
Interaction Details
Ketazolam is classified as belonging to the following category: Benzodiazepines
Theoretically, taking lemon verbena with benzodiazepines might increase the risk of sedation and respiratory depression.
Animal research shows that lemon verbena has additive sedative effects in mice that also received diazepam.
Interaction Rating
Likelihood of Occurrence
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
References
- Afrasiabian F, Mirabzadeh Ardakani M, Rahmani K, et al. Aloysia citriodora Palau (lemon verbena) for insomnia patients: A randomized, double-blind, placebo-controlled clinical trial of efficacy and safety. Phytother Res. 2019;33(2):350-359.
Lemon Verbena Overview

Lemon Verbena - More Interactions
Lemon Verbena interacts with 22 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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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.