See a doctor.: There are many possible causes for this, such as a lung problem (pneumonia or something more serious), rib contusion, muscle injury or strain, gastroesophageal reflux, among others. It would unlikely for an 18 year old female to have a heart problem causing this, but that and the other possibilities I mentioned can be determined by a visit to your doctor or an ER.
Answered 11/17/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
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