[header] How to cope with claustrophobia [title] Breathe. [step] Anytime you find yourself becoming anxious, the first step is to breathe. Deep breathing activates your body's relaxation response, which makes it a powerful anti-anxiety tool. 
Whenever you experience a claustrophobic response, use deep breaths to slow your thoughts and reduce feelings of panic. [substeps] Inhale to a count of 4.