Take Cromolyn sodium inhalation 4 times daily for preventing bronchial asthma problem or as prescribed by the doctor
. This this inhalation 15 minutes before doing exercise. It should be taken exactly as prescribed and the dosage should not be altered on your own. Do not skip the medicine even if missed take it immediately and if it is time for the next medicine take it at the regular time, but do not take two medicine at a time. Your doctor might also need to change the dosage and frequency based on how your body responds to the drug.