Symptoms are headache, lightheadiness and nausea?

Nonspecific: At this time your symptoms are nonspecific. It could be an early viral intestinal tract infection. Unless your headache is excruciating, I would sit tight, rest up, Take acetaminophen, drink flat ginger ale and eat a light bland diet ,such as broth, saltine crackers. You may develop fever and diarrhea, but If symptoms become severe call your physician for instructions.