Hypochondria – abnormal anxiety about one’s health, especially with an unwarranted fear that one has a serious disease.
Eg: When I sat on mute button and thought I’d gone deaf that was my hypochondria.
Claustrophobia – It is a situational phobia triggered by an irrational and intense fear of tight or crowded spaces. If you experience claustrophobia, you may feel like you’re having a panic attack.