The dose is 500 mg of Valtrex to be taken twice daily (1000 mg total daily dose). This dose should be reduced according to creatinine clearance (see Renal impairment below). For recurrent episodes, treatment should be for three to five days.
For treatment of shingles: Adults—1000 milligrams (mg) three times a day for seven days. Children—Use and dose must be determined by your doctor.Feb 1, 2022
For treatment of genital herpes, recurrent outbreaks: Adults—500 milligrams (mg) two times a day for three days. Children—Use and dose must be determined by your doctor.
Valacyclovir is usually prescribed for seven days for shingles, with a typical dosage of 1,000 mg three times per day. Just like with HSV-1 and HSV-2, it's important to start treatment as soon as you notice shingles symptoms.Apr 26, 2020
A person should not take more than 1 day (2 doses) of Valtrex when treating cold sores. Take the two doses 12 hours apart.Nov 30, 2020
Antiviral medication. As well as painkilling medication, some people with shingles may also be prescribed a course of antiviral tablets lasting 7 to 10 days.
The recommended dosage is 2 grams twice daily, taken 12 hours apart, for one day.
Adult Dosing Recommendations The recommended dosage of VALTREX for treatment of cold sores is 2 grams twice daily for 1 day taken 12 hours apart. Therapy should be initiated at the earliest symptom of a cold sore (e.g., tingling, itching, or burning).
Suppressive Therapy: The recommended dosage of VALTREX for chronic suppressive therapy of recurrent genital herpes is 1 gram once daily in patients with normal immune function. In patients with a history of 9 or fewer recurrences per year, an alternative dose is 500 mg once daily.Jun 14, 2021
Valacyclovir, taken daily, reduces the number of outbreaks a person experiences and the number of days that someone sheds the virus asymptomatically.
Typically, the peak pain of shingles is felt within 4 or 5 days after the first symptoms develop, and it comes along with a blistering rash. As the blisters scab over, the pain usually starts to disappear. In some cases, the pain does not go away. This is known as a condition called postherpetic neuralgia.Aug 23, 2021
Postherpetic neuralgia occurs if your nerve fibers are damaged during an outbreak of shingles. Damaged fibers can't send messages from your skin to your brain as they normally do. Instead, the messages become confused and exaggerated, causing chronic, often excruciating pain that can last months — or even years.Nov 6, 2020