Supplement stacks / St Johns Wort + Tramadol

Can You Take St Johns Wort with Tramadol?

St. John's Wort may interact with tramadol, potentially affecting its efficacy and safety. Both substances have limited evidence regarding their interactions, and caution is advised. Consultation with a healthcare provider is essential before combining these substances.

Safety at a glance
High risk
Safety score3/10

Conservative, AI-assisted reading of publicly available medical sources (NIH, Mayo Clinic, WebMD, Examine.com). Informational only — it can't account for your medications, conditions, or genetics.

Known interactions

St. John's Wort may reduce the effectiveness of tramadol by inducing liver enzymes that metabolize tramadol, potentially leading to decreased pain relief.

St. John's Wort

Generally considered safe for short-term use; however, it can cause photosensitivity and may interact with various medications.

Typical dosage: 300-900 mg daily, divided into doses

Common side effects:
  • Gastrointestinal upset
  • Fatigue
  • Dry mouth
  • Dizziness
Warnings:
  • May interact with antidepressants, anticoagulants, and other medications; consult healthcare provider before use.
Tramadol

Generally safe when used as prescribed; risk of dependence and withdrawal symptoms if misused.

Typical dosage: 50-100 mg every 4-6 hours as needed, not exceeding 400 mg per day

Common side effects:
  • Nausea
  • Dizziness
  • Constipation
  • Headache
Warnings:
  • Risk of serotonin syndrome when combined with other serotonergic agents; monitor for unusual symptoms.
Timing

St. John's Wort can be taken in the morning with food to enhance absorption and minimize gastrointestinal upset.

Recommendations
  • Consult with a healthcare provider before starting St. John's Wort while on tramadol.
  • Consider alternative treatments for mood support that do not interact with tramadol.
Watch out for
  • Combining two or more serotonergic substances can raise the risk of serotonin syndrome, a potentially serious reaction. Do not combine them without medical supervision, and seek care for agitation, confusion, tremor, sweating, rapid heartbeat, or high fever.
  • Monitor for decreased pain relief if St. John's Wort is taken with tramadol; consult healthcare provider for alternatives.
Frequently asked questions

Can you take St Johns Wort and Tramadol together?

St. John's Wort may interact with tramadol, potentially affecting its efficacy and safety. Both substances have limited evidence regarding their interactions, and caution is advised. Consultation with a healthcare provider is essential before combining these substances.

How safe is the St Johns Wort and Tramadol combination?

Our analysis of publicly available medical sources scores this combination 3/10 (high risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.

When should you take St Johns Wort and Tramadol?

St. John's Wort can be taken in the morning with food to enhance absorption and minimize gastrointestinal upset.

What should you watch out for when combining St Johns Wort and Tramadol?

Combining two or more serotonergic substances can raise the risk of serotonin syndrome, a potentially serious reaction. Do not combine them without medical supervision, and seek care for agitation, confusion, tremor, sweating, rapid heartbeat, or high fever. Monitor for decreased pain relief if St. John's Wort is taken with tramadol; consult healthcare provider for alternatives.

Check your full stack

Taking more than these two? Run your complete supplement list — plus any medications — through the live checker for a combined analysis.

Analyze my stack
Personalize it with your DNA

Genetics change how you process supplements like these. Upload raw 23andMe or Ancestry data for a personalized supplement report.

See the DNA report

Analysis generated August 11, 2026 · Sources include NIH, Mayo Clinic, WebMD, and Examine.com · How our analysis works