Guano, Histoplasmosis, and Our Service. Large accumulations of guano sometimes breeds a fungus called Histoplasmosis (see article, Is Bat Guano Dangerous?). This fungus can infect an eye or a lung, and in a serious case, you can lose your eye or lung to this infection.
Cromolyn sodium and nedocromil are prescribed as aerosols in metered dose inhalers (MDIs). Generally, you'll need to take either drug four times a day, but nedocromil has also been effective in a twice-per-day dose.
Summarizing these studies yields three lists: 1  Cancers in which greater mast cell numbers appear to be beneficial. 2  Cancers in which greater mast cells appear to be detrimental. 3  Cancers in which sodium cromolyn has an anticancer effect.