Viral infections cannot be treated with antibiotics. They can only be treated with antivirals. That is why u go to the doctor and they say it's viral and it has to run its course. If you get to ill they may give prophylactic antibiotics to prevent secondary infection while your body is fighting off the virus
The oath taken by physicians is popularly known as The Hippocratic Oath
Hope this helps! :)
Probably some type of pain killers.
