Tadalafil is a medication used to treat erectile dysfunction (ED) and symptoms of benign prostatic hyperplasia (BPH). It belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors, which work by relaxing the muscles and increasing blood flow to the penis.
In terms of comparisons, tadalafil is often compared to other PDE5 inhibitors like sildenafil (Viagra) and vardenafil (Levitra). While they all work similarly, tadalafil has a longer duration of action, lasting up to 36 hours, compared to sildenafil and vardenafil, which last around 4-6 hours.
To purchase tadalafil, you typically need a prescription from a healthcare provider. It is available in brand-name versions like Cialis, as well as generic alternatives. You can buy tadalafil from local pharmacies or online pharmacies, but it's important to ensure that you purchase from a reputable source that requires a valid prescription.
Please note that it is essential to consult with a healthcare professional before starting any medication, including tadalafil, as they can provide personalized advice and guidance based on your specific medical history and needs.