Your fact-checks will appear here
Efficacy and potency of vardenafil compared to other PDE5 inhibitors
Sildenafil, tadalafil and vardenafil share a broadly similar adverse‑effect footprint — headaches, flushing, dyspepsia and nasal congestion are the common themes — but they differ in pharmacokinetics ...
differ primarily in pharmacokinetics—how quickly they reach effective blood levels (onset) and how long they remain active (duration)—and those differences drive which drug is optimal for “on‑demand” ...
Yes — some patient characteristics can guide which PDE5 inhibitor is likely to be better tolerated, but the signal is modest: pharmacokinetic differences (half‑life, food interactions), cardiovascular...