SAFE — No Known Interaction
🟢 SAFE — St. Johns Wort and Lisinopril can be taken together safely.
Evidence level: THEORETICAL
St. Johns Wort and Lisinopril are safe to take together. No adverse interactions have been reported in medical literature.
No clinically significant interaction between St. Johns Wort and Lisinopril has been documented in medical literature or FDA drug labeling.
No interaction between St. Johns Wort and Lisinopril has been documented. As a best practice, keep a list of everything you take — including St. Johns Wort — and share it with your healthcare provider at every visit. This helps them spot potential issues early.
Take each at their usual times. Botanicals with diuretic effects (dandelion, juniper, parsley) may amplify blood pressure lowering. Licorice root can raise blood pressure and counteract ACE inhibitors — avoid it or use deglycyrrhizinated (DGL) forms only. Monitor blood pressure when adding any new herbal supplement.
Higher risk for: those with renal impairment, hyperkalemia risk, concurrent potassium-sparing diuretics or potassium supplements, elderly, dehydrated patients, or those with bilateral renal artery stenosis.
Monitor blood pressure and heart rate when combining St. Johns Wort with Lisinopril. Watch for: dizziness, lightheadedness (especially when standing up), fatigue, cold extremities, slow heartbeat, or swelling in ankles/feet. Check your blood pressure at home if possible. When to seek emergency help: Fainting, chest pain, heart rate below 50 bpm, severe dizziness, difficulty breathing, or allergic reactions (swelling of face, lips, or tongue).
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Safe combination at standard doses. Continue your medication as prescribed. Inform your doctor or pharmacist that you are using both, so they can monitor for any changes over time.
St. Johns Wort and Lisinopril are safe to take together. No adverse interactions have been reported in medical literature.
Take each at their usual times. Botanicals with diuretic effects (dandelion, juniper, parsley) may amplify blood pressure lowering. Licorice root can raise blood pressure and counteract ACE inhibitors — avoid it or use deglycyrrhizinated (DGL) forms only. Monitor blood pressure when adding any new herbal supplement.
Monitor blood pressure and heart rate when combining St. Johns Wort with Lisinopril. Watch for: dizziness, lightheadedness (especially when standing up), fatigue, cold extremities, slow heartbeat, or swelling in ankles/feet. Check your blood pressure at home if possible. When to seek emergency help: Fainting, chest pain, heart rate below 50 bpm, severe dizziness, difficulty breathing, or allergic reactions (swelling of face, lips, or tongue).
Safe combination at standard doses. Continue your medication as prescribed. Inform your doctor or pharmacist that you are using both, so they can monitor for any changes over time.
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Or browse the full interaction database (121,000+ pairs).