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.
So this begs the question of whether any of the available over-the-counter nail fungus treatments are effective and worth your time and money. It is an unfortunate but true fact that very few topical treatments, whether prescription or over-the-counter, effectively treat and cure nail fungus infections. Amorolfine. A very popular over-the-counter topical onychomycosis drug that has been proven to be effective in clinical trials is amorolfine. This topical drug is available without a prescription in a handful of countries such as the United Kingdom and New Zealand. Itâs marketing name is Loceryl.