Tazzle 20 mg and Viagra are both prescription medicines used to treat erectile dysfunction (ED), but they contain different active ingredients and work for different lengths of time. Tazzle 20 mg contains tadalafil, while Viagra contains sildenafil.

Tadalafil (Tazzle) is known as a longer-acting ED treatment. Its effects can last for up to 36 hours, which gives some users more flexibility and allows sexual activity to occur with less need to plan the timing of a dose. Sildenafil (Viagra) generally works for about 4–6 hours and is usually taken about 30–60 minutes before sexual activity.

Both medicines work by increasing blood flow to the penis Tazzle 20 mg sexual stimulation. Neither drug increases sexual desire on its own, and both require arousal to be effective.

Common side effects of both may include headache, flushing, dizziness, indigestion, and nasal congestion. Tadalafil may be more likely to cause muscle aches or back pain, while sildenafil may more commonly cause temporary vision-related effects in some users.

The better option depends on individual health, lifestyle, and response to treatment. People taking nitrate medicines for chest pain or with certain heart conditions should not use either drug without medical advice. A healthcare professional can help determine which medication is safer and more suitable.