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Can I keep using the Proventil inhaler if it is not empty?

No, you should discard your Proventil inhaler after you have used the number of sprays indicated on the label. Each Proventil canister should contain 200 sprays. After 200 sprays are used, whatever remains in the canister may not come out containing the correct amount of active ingredient. Just throw away the canister, even if it has material left in it. Talk to your doctor or pharmacist about how to safely get rid of your leftover canister.

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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.