Who is the saint to pray for sick?

St. Raphael the Archangel is the saint to pray for the sick. He is known as the patron saint of healing, travelers, and the blind. He is also one of the seven archangels, and is mentioned in the Book of Tobit. In this book, Raphael helps Tobit regain his eyesight, guides Tobias on a journey, and helps him find a wife. He is often depicted with a staff, a water bottle, and a fish. He is also sometimes shown with a dog, which is a symbol of fidelity.