- Main article: Diseases (Morrowind)
Helljoint is a common disease (similar to Rockjoint) that mildly affects a victim's mobility and dexterity. Symptoms include persistent irritation and inflammation of joints. It may be contracted from the girdle-tailed Cliff Racer.
- Visiting a Tribunal or any shrine.
- Visiting a healer.
- Using any potion or spell that cures common diseases.