TABLE 4

Medications that can exacerbate postural tachycardia syndrome

Antidepressants (serotonin-norepinephrine reuptake inhibitors, monoamine oxidase inhibitors, and tricyclic antidepressants at higher doses)
Antipsychotic agents (phenothiazines)
Anxiolytic agents
Attention deficit medications
Diuretics
Venodilators and vasodilators
Stimulants (including caffeine, nicotine)