The fear of cramped spaces is known as claustrophobia, which affects roughly 5-7% of the population. It can cause anxiety, panic attacks, and avoidance behaviors in sufferers. Synonyms for claustrophobia include confinement anxiety, small space phobia, and spatial anxiety. Other related terms are agoraphobia (fear of open spaces), acrophobia (fear of heights), and aquaphobia (fear of water). Although not all phobias have defined synonyms, these terms can help describe similar conditions and provide insight into related fears that individuals may experience. Treatment options for claustrophobia include exposure therapy, cognitive-behavioral therapy, and medications.