5. Shortness of breath
Shortness of breath can be scary anytime it happens, but it is usually very temporary. Things like high altitude, extreme temperatures, strenuous exercise, or a Halloween scare can all steal your breath for a bit. However, if you’re just going about your daily business and suddenly struggle to breathe effectively, head into the emergency room. Even if it’s nothing, you can’t mess around with your body’s oxygen supply.
Things like pneumonia, bronchitis, chronic obstructive pulmonary disease, and asthma cause shortness of breath, but in all fairness, you will probably have other clues about these things before you suddenly can’t breathe.
Other conditions can come a bit more out of the blue, like a blood clot in the lung (pulmonary embolism) or a panic attack. Whatever the cause, you must get your breathing stabilized as quickly as possible.