Two out of three women stop having migraines during pregnancy, especially in the second and third trimester. The difficult question is how to treat migraines in the first trimester and in women whose migraines do not improve or get worse in pregnancy.
Acetaminophen (Tylenol, paracetamol) is considered safe in pregnancy and that is what many women take for migraines and other pains. Unfortunately, acetaminophen is usually ineffective for severe migraines. It is also not as safe as many physicians and the general public thinks. Several studies indicate that acetaminophen increases the risk of attention-deficit hyperactivity disorder (ADHD) and with heavy use, possibly even autism spectrum disorder.
Some obstetricians strongly advise against taking any migraine medications. However, the stress of an acute migraine attack with severe pain, vomiting, and dehydration is likely to have a deleterious effect on the fetus. A Danish study of 22,841 pregnancies among women with migraine showed that untreated migraine leads to an increased risk of low birth weight, preterm birth, and cesarean delivery.
A report just published in the journal of the American Medical Association (JAMA) examined “Association of Maternal Use of Triptans During Pregnancy With Risk of Attention-Deficit/Hyperactivity Disorder in Offspring”.
The study used the data from the Norwegian Mother, Father and Child Cohort Study, linked to the Medical Birth Registry of Norway, the Norwegian Patient Registry, and the Norwegian Prescription Database using the mother’s personal identification number. The conclusion of this large and rigorous study was: “This cohort study found no association between prenatal triptan exposure and ADHD diagnosis or ADHD symptoms at 5 years of age. This study adds to the growing literature on the safety of triptan use during pregnancy and expands it to an important neurobehavioral outcome.”
Triptans have been available without a prescription in all European countries for over a decade. In the US, triptans are available only by prescription. This is one of the reasons for the perception of acetaminophen as being more benign than sumatriptan and other triptans. The opposite is likely to be true. If you are a pregnant woman suffering from severe migraines, ask your doctor for a prescription for sumatriptan.
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