Nogle mennesker bliver deprimerede når De anvender ViraferonPeg alene eller i kombinationsbehandling med ribavirin, og i nogle tilfælde har personer haft selvmordstanker eller aggressiv opførsel (sommetider rettet mod andre).
Some people get depressed when taking ViraferonPeg alone or in combination treatment with ribavirin, and in some cases people had suicidal thoughts or aggressive behaviour (sometimes directed against others).