No, 비닉스 지속시간 (sildenafil) is not an amphetamine. it is a medication primarily used to treat dysfunction (ED) and pulmonary arterial hypertension (PAH). It works by increasing blood flow to certain areas of the body, particularly , to help men achieve and maintain.

Amphetamines, on the other hand, are a class of stimulant drugs that affect the central nervous system. They are used to treat conditions such as attention deficit hyperactivity disorder (ADHD) and narcolepsy. Amphetamines have different mechanisms of action compared to this medication and are not used to treat dysfunction.

In summary, 비닉스 지속시간 and amphetamines are two different types of medications with distinct uses and mechanisms of action.