Causes of flu-like symptoms aside from influenza include other infections, inflammatory disorders, autoimmune conditions, cancer and recent immunizations, according to Healthgrades. Imbalances in electrolytes can also mi... More »

Symptoms of influenza, commonly called the flu, include coughing, headache and chest discomfort, according to WebMD. A person suffering from influenza may also have a high fever that lasts for a few days, in addition to ... More »

Symptoms of the flu include a fever of 100 degrees Fahrenheit or greater, sore throat, cough, runny or stuffy nose, chills, headache, body ache, fatigue, vomiting, nausea and diarrhea, according to Not all peopl... More » Health Conditions & Diseases Cold & Flu

Phlegm often occurs due to an infection of the lungs or sinuses, such as strep throat, the flu, sinusitis or the common cold, according to Healthgrades. Allergies, inflammation, tonsillitis, reactions to some medications... More »

Causes of spitting up blood include gastrointestinal disorders such as mouth ulcers, esophagitis, gingivitis and gastritis and nongastrointestinal conditions such as congestive heart failure, tuberculosis, pneumonia and ... More »

Causes of excessive sweating include an overactive thyroid, low blood sugar and emotional distress, according to Healthgrades. The consumption of caffeine, alcohol and spicy foods may also cause someone to sweat more tha... More » Health Pain & Symptoms

Neurological disorders, metabolic disorders, muscular disorders, injuries and excessive inflammation of muscles may cause muscle weakness, states Healthgrades. Blood conditions such as anemia and hypoglycemia may also re... More » Health Pain & Symptoms