The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

For preventing or treating fainting:
For inhalation dosage form (inhalants):
Adults and teenagers—The inhalant should be held away from the face and crushed between the fingers. The inhalant should then be held about four inches away from the nostrils, and the vapor slowly inhaled until the patient awakens or no longer feels faint.
Children—Use and dose must be determined by your doctor.
For inhalation dosage form (solution):
Adults and teenagers—After the top is taken off the container, the vapor may be slowly inhaled until the patient awakens or no longer feels faint.
Children—Use and dose must be determined by your doctor.