Who are some saints best known for helping the sick?

The patron saints of sick people are:

Alphais

Alphonsa of India

Angela Merici

Angela Truszkowska

Arthelais

Bathild

Bernadette of Lourdes

Camillus of Lellis

Catherine del Ricci

Catherine of Siena

Drogo

Edel Quinn

Elizabeth of the Trinity

Gerard of Villamagna

Germaine Cousin

Gertrude of Nivelles

Gorgonia

Hilary of Poitiers

Hugh of Lincoln

Isabella of France

Jacinta Marto

John of God

Julia Billiart

Julia Falconieri

Juliana of Nicomedia

Louis IX

Louise de Marillac

Lydwina of Schiedam

Maria Bagnesi

Maria Gabriella

Maria Mazzarello

Marie Rose Durocher

Mary Ann de Paredes

Mary Magdalen of Pazzi

Michael the Archangel

Our Lady of Lourdes

Paula Frassinetti

Peregrine LaziOSi

Philomena

Rafka Al-Rayes

Raphael the Archangel

Romula

Syncletica

Teresa of Avila

Terese of the Andes

Therese of Lisieux