Tadalafil raw powder is one of a class of drugs known as PDE-5 (Phosphodiesterase type 5) inhibitors.
ຜົງ Tadalafil ແມ່ນ ຫນຶ່ງ ໃນບັນດາຢາທີ່ຂຶ້ນກັບຫ້ອງຮຽນຂອງຢາທີ່ຮູ້ກັນວ່າ phosphodiesterase type 5 inhibitors (PDE5).