... Do not take Imitrex ( Sumatriptan ) if you have taken a monoamine oxidase inhibitor (MAOI) such as isocarboxazid (Marplan), tranylcypromine (Parnate), or phenelzine (Nardil) in the last 14 days; have basilar or hemiplegic migraine headaches;...
http://www.jacobmart.co.uk/95imit.htm