Antivirals

Question 0

Famciclovir

Answer 0

Tx and px if herpes simplex infections
Shingles

250mg TDS for 5-7 days
1500mg as a single dose (cold sores)

Renal function, allergies

Question 1

Aciclovir

Answer 1

Tx and px of herpes simplex infections
Shingles
Herpetic eye infections

400mg 3-5 times a day for 5-7 days (herpes simplex)
800mg 5 times daily for 7 days (shingles)

Renal function, hydration, FBC, hypersensitivity, liver function

Question 2

Valaciclovir

Answer 2

Tx and px of herpes simplex infections
Shingles

500mg BD
1g TDS for 7 days (shingles)

Renal function, fluid intake, allergies

Question 3

Oseltamivir

Answer 3

Tx of influenza A and B virus infection
Prevention of influenza

Tx: 75mg BD for 5 days
Px: 75mg daily for 10 days

Renal function, liver function, anaphylaxis, neuropsychiatric symptoms in children