The doctor who prescribed Proventil for you has given you directions regarding how many sprays to use in each dose, and how many doses to use each day. All this information will be typed on the prescription label.
If your inhaler comes with a counter to track the number of sprays you have used, call your doctor for a refill prescription when you have about 20 left. If your inhaler does not have a counter, divide the number of sprays in your inhaler by the number of sprays you use each day. This will give you the number of days you have to use it. Call your doctor or pharmacist for more details about tracking your sprays or doses.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.