- Subject treated by: selective serotonin reuptake inhibitors (Prozac&#174;, Effexor&#174;, Ixel&#174; &#133;), tricyclic antidepressant (Anafranil&#174;, Sinequan&#174;, Surmontil&#174;, Tofranil&#174;), 5HT1 receptor agonists (triptan) direct or indirect sympathomimetic (including adrenergic bronchodilator, pseudoephedrine and phenylpropylamine), vasopressor (adrenaline and noradrenaline), dopaminergic drugs (dopamine, dobutamine), phenetidine or buspirone should be evaluated for potential drug-to-drug interaction;