Persistent sore throat or dry cough accompanied by difficulty swallowing may be a symptom of gastroesophageal reflux disease (GERD). In this state, the contents of the stomach enter the esophagus, provoking irritation of its mucous membrane. Other possible causes of prolonged cough include post-nasal drip (inflammatory processes of the nasopharynx), heart diseases, asthma, and lung cancer.
4. You often have a feeling that your leg or arm has gone numb
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This unpleasant sensation can occur after waking up due to interference of blood flow to a limb. However, if you feel a tingling sensation in your limbs once or several times a week, it would be wise to see a doctor, as it may be a result of nerve damage, less often an early sign of diabetes or a stroke. It mostly concerns those, who perform repetitive movements at work, as well as victims of an accident.