Common symptoms of H1N1 Swine Flu are as follows: Fever, usually high, i.e., more than 100 degrees F. Chills. Running nose and sneezing. Cough. Sore throat. Headache. Lethargy. Body pains. Malaise, i.e., general feeling of ill health. Fatigue. Muscle cramps. Nausea and Vomiting. Diarrhoea. For more information on Swine Flu, click here.