Avodart drug interactions
Avodart · dutasteride · by GlaxoSmithKline (Avodart)
Interaction lookup
Search by medication name or drug class to see clinically meaningful Avodart interactions.
Saw palmetto
MinorClass: supplement
Same theoretical additive effect; disclose.
PSA tests
ModerateClass: lab interaction
Reduces PSA by ~50% — same correction factor as finasteride.
Editorial table from FDA labels + drug compendia. Not exhaustive. Discuss any concurrent medication, supplement, or condition with your prescriber before starting or stopping treatment.
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- ← Full Avodart overview
Frequently asked
What medications interact with Avodart?+
Dutasteride has a similar interaction profile to finasteride (both 5-alpha-reductase inhibitors). Reduces PSA by approximately 50% — flag to any prostate cancer screening. Caution with CYP3A4 inhibitors (ketoconazole, ritonavir — can elevate dutasteride blood levels). No major interactions with cardiovascular medications.
Can I take Avodart with metformin?+
Avodart and metformin are commonly co-prescribed without major interaction concerns. GI side effects may be additive in some patients.