Much of the increase will be in developing countries. Already 58% of people with dementia live in low and middle income countries, but by 2050 this will rise to 68%. The fastest growth in the elderly population is taking place in China, India, and their south Asian and western Pacific neighbours.
If acyclovir is your drug of choice ( famvir is a 1 time dose, valtrex is a 2x/day for 1 day dose ), try 800mg 3x/day for 2 days. it works best if started at the very first tingle /sign of a potential cold sore.
The recommended Valacyclovir dosing guidelines vary, depending on your age, other medical conditions you have, and medications you are taking. The recommended dosage for shingles is 1000 mg, three times a day, for seven days. To treat cold sores, the recommended dose is 2000 mg, twice a day, for one day.