Causes
The cause of polyarteritis nodosa is unknown. In relatively rare cases, however, it occurs with hepatitis B virus infection or hairy cell leukemia .
Risk Factors
A risk factor is something that increases your chance of getting a disease or condition. The following factors increase your chance of developing polyarteritis nodosa:
- Age: 40 to 60 year olds (although it can occur at any age, it occurs most often in one’s 40s or 50s)
- Sex: men
- Hepatitis B or hepatitis C infection
- Hairy cell leukemia
- Intravenous drug use
