To the Editor.
—Olfactory hallucinations, most commonly recognized as aura in complex partial seizures, have been described as potential aura in migraine in a single adult.1 We have cared for a child and her mother in whom olfactory hallucinations were strikingly similar and were but one component in their migraine phenomenon.
Report of a Case.
—An 8-year-old girl had had unilateral biweekly throbbing headaches for two years. The headaches were commonly preceded by a smell of gas, burning cookies, or wood chips. The aura was so prominent that the family's home was investigated for natural gas leaks several times. The headaches were most common over the right temporal region, and would begin at any time of the day or night, and were usually associated with nausea and/or vomiting.As an infant, this girl had been subject to unexplained recurrent bouts of vomiting and dizziness. Two years prior to neurologic