If you develop difficulty breathing or shortness of breath, chest pain or abdominal pain, sudden dizziness, confusion or have persistent vomiting, you should seek medical attention immediately.

FORBES: 2013 Flu Season: How to Protect Yourself

It is important to mention that individuals that already have the flu who then become more ill during the duration of the illness, (difficulty breathing, or shortness of breath) need to seek medical attention immediately in an emergency department, as the risk of secondary pneumonia rises with an abrupt deterioration of your condition.

FORBES: 2013 Flu Season: How to Protect Yourself

However, he said the symptoms that are associated with thyroid nodules include tenderness in the thyroid area, ear or jaw pain, difficulty or discomfort swallowing, a tickling feeling in the throat and shortness of breath with exertion because the nodule may be compressing the windpipe.

CNN: Tipper Gore released from hospital