Bromberg said one possible explanation for this disparity stems from the study itself. The researchers looked for the number of prescriptions written, not how many individuals received a prescription. So it may be that females on birth control are staying on the drug for longer periods of time, which would increase the number of prescriptions written.
The study also found that the number of prescriptions for asthma medications increased by 14 percent. The authors didn't theorize as to what might be behind this increase.
Learn about safely giving children medication from the Nemours Foundation.
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