Medicines
Discover all available medicines and treatments
Discover all available medicines and treatments
Brand: Denavir, Vectavir
Penciclovir is an antiviral medication primarily used for the treatment of herpes simplex virus (HSV) infections, including cold sores (herpes labialis). It belongs to the class of nucleoside analogue antiviral drugs. Penciclovir works by inhibiting viral DNA polymerase, the enzyme responsible for viral replication, thereby preventing the virus from multiplying and spreading.
For the treatment of herpes simplex virus (HSV) infections, particularly cold sores.
Outcome:
Increased risk of bone marrow suppression
Mechanism:
Both drugs can affect bone marrow function.
Outcome:
Increased penciclovir levels
Mechanism:
Reduced renal clearance of penciclovir.
Outcome:
Additive antiviral effects
Mechanism:
Both drugs target viral replication.
Most likely new formulation: Topical microemulsion for enhanced absorption (Year: 2026, 70% confidence)
Based on current usage and safety profile, the likelihood of penciclovir remaining available over-the-counter is high (95%).
Antiviral, Nucleoside Analogue
Acyclic Guanosine Analogue