Does Valerian Root Interact with Common Anxiety Medications?
Valerian root, a herbal supplement used for anxiety and sleep, can interact with anxiety medications like benzodiazepines (e.g., Xanax, Valium, Ativan), SSRIs (e.g., Zoloft, Lexapro, Prozac), SNRIs (e.g., Effexor, Cymbalta), and buspirone. It boosts GABA activity in the brain, similar to benzos, which raises risks of excessive sedation, drowsiness, dizziness, and impaired coordination.[1][2]
- With benzodiazepines: High interaction risk—valerian amplifies sedative effects, potentially causing deep sleep, confusion, or breathing issues. Avoid combining.[1][3]
- With SSRIs/SNRIs: Moderate risk of increased drowsiness or serotonin syndrome (rare but serious: agitation, rapid heart rate, fever). Evidence is limited but cautions exist.[2][4]
- With buspirone: Possible additive calming effects leading to excessive sedation; monitor closely.[1]
No major interactions reported with beta-blockers like propranolol, often used off-label for anxiety, but data is sparse.[2]
What Do Doctors and Guidelines Say?
The FDA does not regulate valerian as a drug, so it's not tested like prescriptions. Major sources advise against self-medicating:
- Mayo Clinic: "Don't take valerian without medical approval if on sedatives, antidepressants, or anti-anxiety meds."[1]
- NIH: Potential for amplified CNS depression; consult a provider.[2]
- Drugs.com: Rated moderate-to-major interaction for benzos and some antidepressants.[3]
Always check with your doctor or pharmacist—they can review your specific meds, dose, and health history.
How Long to Wait Between Doses?
No standard safe interval exists due to variable valerian potency (standardized extracts are 0.8% valerenic acids). Effects last 4-6 hours. Space at least 2 hours apart if unavoidable, but experts recommend skipping valerian entirely during treatment.[1][4]
Are There Safer Alternatives for Anxiety?
- Evidence-based options: CBT therapy, exercise, or prescribed meds adjusted by your doctor.
- Herbals with fewer interactions: Chamomile tea or lavender (topical/aromatherapy), but still disclose to your provider.[2]
- Prescription switches: If valerian appeals for sleep/anxiety, ask about low-dose trazodone or hydroxyzine, which have defined interaction profiles.[4]
Patient Experiences and Real-World Risks?
Forum reports (e.g., Reddit, WebMD) describe worsened grogginess or "zombie-like" feelings when mixing with SSRIs/benzos, though anecdotes vary. Overdose risk low but amplified by interactions—emergency visits reported for severe sedation.[3][5] Vulnerable groups (elderly, liver issues) face higher risks.
Bottom line: Do not take valerian root with anxiety meds without professional OK—risks outweigh unproven benefits for most.
Sources:
[1]: Mayo Clinic - Valerian
[2]: NIH - Valerian
[3]: Drugs.com - Valerian Interactions
[4]: WebMD - Valerian
[5]: Mount Sinai - Valerian