tranylcypromine raises toxicity of fentanyl transdermal by Other (see comment). Contraindicated. Remark: Stay clear of fentanyl in clients who involve concomitant administration MAOIs, or in 14 days of halting an MAOI. Serious and unpredictable potentiation by MAO inhibitors has actually been reported with opioid analgesics.Following a fentanyl the