There are various kinds of anxiety disorders but anxiety regarding one's performance to fulfill any kind of task is different from the typical anxiety disorders. Unlike other anxiety disorders, performance anxiety doesn't have to be treated with intense medication and meditation. Though it is difficult, you can treat yourselves easily, if you can focus on your moods properly.
Stage fright is completely different from sexual performance anxiety. A person feels comfortable in sharing his stage fright situation with others, before any public speaking events or before committing to any work. But people find it difficult, embarrassing, and degrading to share about their sexual performance anxiety issues. This is because sex is still getting considered as a taboo, and talking about it, makes a person feel weakened among others. But if a person these intimate anxiety issues, there are chances of facing many other medical situations. We all know prevention is better than cure. Hence, we all must focus on how to handle our sexual performance anxiety issues instead of getting swallowed up by those invisible anxious vibes.