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.
Macrodantin (nitrofurantoin) is an antibiotic prescribed to treat or prevent urinary tract infections. Macrodantin is available in generic form. Side effects of Macrodantin include: headache, itching, rash, nausea, upset stomach, vomiting, loss of appetite, diarrhea, rust-colored or brownish urine, or ; vaginal itching or discharge. Macrodantin should be given with food to improve drug absorption and, in some patients, tolerance.