By Dennis Thompson Jr.
Medically reviewed By Dennis Thompson Jr.
Antiviral drugs are very effective in shortening the length of shingles infection, especially if taken soon after the infection starts.
Antiviral drugs are the most important shingles medication available. While other drugs treat symptoms like pain, fever, and itch, antiviral medications attack the source of the shingles rash. Studies have found them to be effective in reducing the intensity and duration of shingles infections.