Drug Interactions With Doxazosin XL

PDE5 Inhibitors
Doxazosin XL can interact with PDE5 inhibitor medications, increasing the risk for dangerously low blood pressure. If you are taking doxazosin XL, your healthcare provider should start with the lowest possible dosage for the PDE5 inhibitor.
Quinidine may increase the level of doxazosin XL in your blood, increasing your risk for doxazosin XL side effects. Check with your healthcare provider before taking quinidine with doxazosin XL.

Final Thoughts

It is possible that not all drug interactions with doxazosin XL were discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about specific interactions that may apply to you.
The Dirty, Messy Part of BPH

Doxazosin XL Drug Information

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