Itraconazole increases tamsulosin concentrations, increasing risk of adverse reactions. Not recommended during and 2 weeks after itraconazole treatment.
Source: NLP:itraconazole
Tamsulosin Interactions
6 interactions on record
Avoid concomitant use with PAXLOVID.
Source: NLP:nirmatrelvir and ritonavir
Clinical pharmacology studies conducted with coadministration of tadalafil with tamsulosin. Additive blood-pressure-lowering effects anticipated.
Source: NLP:tadalafil
Tamsulosin + MirabegronModerate
Drug interaction study conducted; no dose adjustment recommended when coadministered with mirabegron.
Source: NLP:mirabegron
Tamsulosin + VardenafilModerate
Caution advised when co-administered. Both are vasodilators; additive blood pressure lowering effects may occur.
Source: NLP:vardenafil
Caution is advised when vardenafil is co-administered with tamsulosin. Both are vasodilators with blood-pressure-lowering effects; additive effect on blood pressure may be anticipated.
Source: NLP:vardenafil hydrochloride