A member asked:

Nephrologist has said my wife has migraine and prescribed divalproex sodium er 500. when to take in morning or evening? she having headache in morning

3 doctors weighed in across 2 answers

Migraine prevention: Normally this medicine is used twice per day to help prevent a migraine headache.

Answered 5/23/2016

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Migraine: Try evening for several days. Make sure blood pressure is well controlled.

Answered 8/7/2014

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