A phosphodiesterase type 5 (PDE5) inhibitor. Tadalafil helps improve blood flow to the penis, facilitating an erection in response to sexual stimulation. It is known for its long duration of action, typically lasting up to 36 hours.Dapoxetine (60 mg): A selective serotonin reuptake inhibitor (SSRI) used to treat premature ejaculation. Dapoxetine helps delay ejaculation by increasing serotonin levels in the brain.