It's unfortunate but true: It's totally normal for adults to get colds multiple times a year. And each of those colds will tend to follow a similar three-stage pattern, says Dr. Shiv Sudhakar, ...

Treatment works best before a blister fully forms. Research published in JAMA has documented that Aciclovir can shorten from 16 to 10 days, particularly when used at the first signs of an outbreak.

“Meanwhile, flu typically causes a sudden onset of fever, severe tiredness and weakness, muscle and joint aches, a headache, ...