High fever with chills, vomiting, cough, diarhea

Patient: My wife ( 28yrs ) is down with fever and chills for the last couple of hours. She also has vomitings and diarhea. Temp started at 100 and now its at 102. Its very late in the night here. Whats the medication that we should use before we visit the doctor in the morning?

Symptoms: High fever with chills, vomiting, cough, diarhea

Doctor: