That's the flu. Flu is caused by a virus. It usually goes away by itself. Sometimes, complications develop such as bronchitis, sinus or ear infectios, or pneumonia. Complications are serious for the elderly and for people who have chronic disease like diabetes and heart disease.
Bed rest is very important.
Alcohol, damp washcloth on your forhead may relieve the feverish feeling. Cold medications may help some symptoms. Antibiotics will not help the flu because viruses are not affected by antibiotics. Antibiotics are not necessary for flu unless additional complications occur. Vomiting and diarrhea are very common illnesses.