Tadalafil is a medication belonging to the class of phosphodiesterase type 5 (PDE5) inhibitors, and it is primarily used to treat erectile dysfunction (ED) in men. Additionally, tadalafil is prescribed for the treatment of pulmonary arterial hypertension (PAH). In the context of ED, tadalafil works by inhibiting the enzyme PDE5, which is responsible for the degradation of cyclic guanosine monophosphate (cGMP) in the corpus cavernosum of the penis. This inhibition leads to increased levels of cGMP, promoting smooth muscle relaxation and vasodilation, which enhances blood flow to the penis and facilitates an erection. The effect of tadalafil on PDE5 is also relevant in the treatment of PAH, where it relaxes the pulmonary arteries, reducing the workload on the heart. Tadalafil is known for its long duration of action, allowing for a more spontaneous approach to sexual activity compared to some other ED medications. It is commonly marketed under the brand name Cialis. Buy high quality Tadalafil from Chemicea Pharmaceuticals. Chemicea Pharmaceuticals is one of the leading manufacturer and exporter of Tadalafil