No tour operator should market the water as a treatment. Questions about personal health and travel readiness belong with a qualified clinician familiar with your situation.
Yes. Catholic pilgrimage does not depend on witnessing a miracle, receiving a cure, or having an extraordinary emotional experience. Even at Lourdes, where more than 160 years of pilgrimage have produced about 70 cures formally recognized by the Church, the Sanctuary’s own daily life is prayer, the sacraments, and the care of the sick. Since 2020 the ordinary way of using the Lourdes water has been the Water Gesture of drinking, washing the face and hands, and praying at the taps, rather than immersion in the baths.
Prayer, the sacraments, gratitude, reconciliation, and service can give a journey its meaning. Be cautious of anyone selling access to supernatural events or promising healing. A pilgrimage company can organize travel; it cannot guarantee a spiritual outcome.