Long-term use of Tylenol in pregnancy tied to ADHD
by Claudia Boyd-Barrett posted in Pregnancy
Taking pain-relief drugs that contain acetaminophen, such as Tylenol, for a month or more during pregnancy could double the risk of attention-deficit hyperactivity disorder (ADHD) in children, a new study suggests.
However, short-term use of the drug in pregnancy could actually reduce ADHD risk, the same study indicated.
The new findings ? which some scientists dispute - come from Norwegian research involving more than 110,000 children born between 1999 and 2009, and their parents. Moms in the study filled out questionnaires during and after pregnancy reporting on medical conditions and medication use. Fathers answered questions about medication use during the 6 months prior to their partner's pregnancy. Almost half of the women used acetaminophen during pregnancy. Just over 2,200 of the children were later diagnosed with ADHD.
According to the results published in the journal Pediatrics, children born to women who took acetaminophen for 29 days or more during pregnancy had more than double the risk of developing ADHD compared to kids born to moms who did not use acetaminophen long-term. Dads who took the drug for long periods prior to conception also saw double the risk of ADHD in their kids, the authors reported.
On the other hand, the ADHD risk for children decreased slightly when women took acetaminophen for 7 days or less during pregnancy, the study said.
The findings only show an association between long-term use of aceta...
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