Month: January 2023

Viral infections such as cold sores are very common all around the world. Cold sores are also known as fever blisters, oral herpes, and cold sore blisters. They seem like small bunched lumps around the mouth and lip. Cold sores are usually painful, tingly, itchy, and fluid-filled. What are cold sores? Dealing with cold sores… Continue reading How much acyclovir to take for cold sore

Acyclovir starts working within hours of the first dose, and most people notice less pain and fewer new sores within 1 to 3 days. Oral acyclovir reaches peak blood levels about 1.5 to 2.5 hours after a dose. Sores then crust and heal over roughly 5 to 10 days. It works best when started within… Continue reading How long does it take for acyclovir to work?