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What is the brand name of sildenafil?
Viagra
What drug class does sildenafil belong to?
Phosphodiesterase 5 (PDE5) inhibitors
What is the brand name of tadalafil?
Cialis
What drug class does tadalafil belong to?
PDE5 inhibitor
What is the brand name of vardenafil?
Levitra
What drug class does vardenafil belong to?
PDE5 inhibitor
PDE5 inhibitors interact with which class of medications?
Nitrates
What is a common side effect of PDE5 inhibitors?
Color vision changes
What is the brand name of testosterone?
Androgel
What drug schedule does testosterone belong to?
Schedule C-III