SAFE — No Known Interaction
🟢 SAFE — Duloxetine and Metformin can be taken together safely.
Evidence level: STRONG
Duloxetine and Metformin are safe to take together. No adverse interactions have been reported in medical literature.
No clinically significant interaction between Duloxetine and Metformin has been identified in FDA drug labeling or major drug interaction databases.
No documented interaction between Duloxetine and Metformin. Your pharmacist checks for interactions every time you fill a prescription. If you experience any new symptoms after starting Metformin, let your doctor know — they can help determine if it's related to your medication combination.
Take Duloxetine at the same time each day — most people prefer morning with breakfast. Metformin follows its prescribed schedule. SNRIs can affect blood pressure (both up and down), so monitor BP if combining with cardiovascular medications.
Higher risk for: elderly, those on multiple serotonergic drugs, people with liver impairment, CYP2D6 poor metabolizers, recent dose changes, or concurrent use of MAOIs or triptans.
Monitor blood sugar closely when combining Duloxetine with Metformin. Watch for signs of low blood sugar (hypoglycemia): shakiness, sweating, rapid heartbeat, hunger, dizziness, irritability, confusion, or blurred vision. Also monitor for high blood sugar: increased thirst, frequent urination, fatigue, or fruity-smelling breath. Keep fast-acting glucose (juice, glucose tablets) readily available. When to seek emergency help: Severe confusion, loss of consciousness, seizures, or blood sugar below 54 mg/dL that does not respond to treatment. Inform your prescriber about all medications to adjust diabetes medication doses if needed.
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.
These medications are safe to take together at standard doses. Continue taking as prescribed and keep your pharmacist informed of your complete medication list.
Duloxetine and Metformin are safe to take together. No adverse interactions have been reported in medical literature.
Take Duloxetine at the same time each day — most people prefer morning with breakfast. Metformin follows its prescribed schedule. SNRIs can affect blood pressure (both up and down), so monitor BP if combining with cardiovascular medications.
Monitor blood sugar closely when combining Duloxetine with Metformin. Watch for signs of low blood sugar (hypoglycemia): shakiness, sweating, rapid heartbeat, hunger, dizziness, irritability, confusion, or blurred vision. Also monitor for high blood sugar: increased thirst, frequent urination, fatigue, or fruity-smelling breath. Keep fast-acting glucose (juice, glucose tablets) readily available. When to seek emergency help: Severe confusion, loss of consciousness, seizures, or blood sugar below 54 mg/dL that does not respond to treatment. Inform your prescriber about all medications to adjust diabetes medication doses if needed.
These medications are safe to take together at standard doses. Continue taking as prescribed and keep your pharmacist informed of your complete medication list.
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).