Use a comfortable upright or slightly reclined position
Take a slow deep breath in through your nose
Swallow once or twice while holding the breath briefly
Drink a small amount of carbonated beverage
Gently press your knees toward your chest
Lean forward slightly and relax your abdomen
Sip cold water slowly
Chew gum or suck on hard candy
Breathe out slowly and repeat if needed
Stop if you feel pain, dizziness, or nausea