Comment
Author: Admin | 2025-04-28
If you feel a cold sore coming on, antiviral drugs like valacyclovir can help manage blisters, support your immune system, and reduce those cold sore symptoms. But how fast does valacyclovir work for cold sores?Valacyclovir, often sold under the brand name Valtrex®, is approved by the Food and Drug Administration for the treatment of cold sores (known as herpes labialis), genital herpes, and other viral infections such as herpes zoster (shingles), and chicken pox.For most of these conditions, valacyclovir starts working as soon as you take it and reduces how long a cold sore lasts by one day. That said, it all depends on how quickly you start treatment after your first symptoms and what dose of valacyclovir you use.And if you’re taking valacyclovir for genital herpes, the math is totally different.Read on to find out more.For most people, cold sores usually go away on their own, but it can take seven to 10 days for them to heal completely. And while cold sores popping up repeatedly can be annoying, you might notice they clear up faster the second time around.If you take valacyclovir, it will usually start treating symptoms as soon as it’s in your system. However, it can take several days to see any noticeable improvements.Valacyclovir doesn’t cure the herpes virus, and the medication might not stop a cold sore altogether. But it can speed up the healing process.To learn more, check out our guide on how valacyclovir works.How Long Does Valacyclovir Take to Work For Oral Herpes?How long it takes valacyclovir to work for cold sores and fever blisters may depend on when you start taking it. Unfortunately, valacyclovir may be less effective if you start taking it after the spot or ulcer appears or after the symptoms of a cold sore develop, but we don’t know
Add Comment