If your dose is different, do not change it unless your doctor tells you to do so. The following information includes only the average doses of this medicine. Follow your doctor's orders or the directions on the label. The dose of this medicine will be different for different patients. However, do not use this medicine more often or for a longer time than your doctor ordered. To help clear up your infection, keep taking valacyclovir for the full time of treatment, even if your symptoms begin to clear up after a few days. This will keep your kidneys working well and help prevent kidney problems. The average household teaspoon may not hold the right amount of liquid.ĭrink extra fluids so you will pass more urine while you are using this medicine. If you are using the oral suspension, use a specially marked measuring spoon or other device to measure each dose accurately. Valacyclovir may be taken with meals or on an empty stomach. If you are taking valacyclovir for the treatment of chickenpox, it is best to start taking valacyclovir as soon as possible after the first sign of the chickenpox rash appears, usually within one day.