Considering the medications prescribed to this patient, what potential pharmacokinetic interaction should be most concerning when managing this patient's atopic dermatitis and hypertension?
Terfenadine and Fluticasone propionate due to CYP3A4 interactions, potentially leading to increased terfenadine levels and risk of cardiac arrhythmias. Epinephrine and Hypertension, as epinephrine can exacerbate blood pressure control issues. Doxycycline and Terfenadine due to CYP3A5 interactions, potentially leading to increased doxycycline levels. Albuterol and Doxycycline due to competitive inhibition, potentially leading to reduced efficacy of both medications.