A longer seizure latency in fish is not a human combination-treatment recommendation.
Adult zebrafish were exposed by immersion to valerian preparations, valerenic acid and anticonvulsants before a chemical seizure challenge. Several preparations delayed convulsions, and combinations with clonazepam showed enhanced effects under the experimental conditions.
Water exposure, extract composition and chemically provoked behavior differ from human dosing and epilepsy. The experiment did not establish long-term safety or a clinically usable interaction magnitude.
State the preparation and species when discussing the interaction. Increased anticonvulsant activity in this assay cannot show whether a person’s co-use caused sedation, helped seizures or was safe. Clinical observations and confirmed exposure remain necessary for those separate questions.
Source: PMC4501072, supplied full-text paper. Findings are paraphrased; case-review implications are an interpretation.
Related: Forensic Toxicology: expert analysis and case review.