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How does smoking cigarettes negatively affect the efficacy of theophylline?

Cigarette smoking can reduce the effectiveness of theophylline. Tell your doctor if you use tobacco products. Your dosage may need to be adjusted in order for theophylline to be effective.

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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.