We did both. (We were only on oral GSH at that time , but if it were to happen again I would still keep the GSH oral/inhaled protocol going) - Our Dr. thought the GSH would help protect against the toxicity of the tobi...
Be SURE to use probiotics everyday- an adult dose of good quality. Abx is really tough on the gut and there is already alot of inflammation anyway. You want to protect aginst yeast imbalance.