Patron saints of diseases may have overcome that particular sickness or helped others who suffered from it. There may also have been cases of unexplained cures for a disease when people prayed at a saint's shrine.
| Abdominal pains | Erasmus (Elmo) |
| Blindness | Cosmas and Damian |
| Blood donors | Our Lady of the Thorns |
| Breastfeeding | Basilissa the Martyr |
| Cancer | Peregrine Laziosi |
| Chilblains | Basilissa the Martyr |
| Contagious diseases | Sebastian |
| Epilepsy | Dympna |
| Fever | Genevieve |
| Headaches | Denis, Bishop of Paris |
| Hernias | Cathal (Catald) |
| Hoarseness | Bernardino of Siena |
| Hydrophobia (Rabies) | Hubert, Ubald of Gubbio |
| Lameness | Giles |
| Mental Illness | Dympna |
| Plague | Cathal (Catald) |
| Skin diseases | Marculf |
| Spas | John the Baptist |
| Toothache | Apollonia |
| Venereal diseases | Fiacre |
| Women in labour | Anne |
This collection of names was compiled by Kate Monk and is ©1997, Kate Monk.
Copies may be made for personal use only.