Husband Has Parkinson's And On A Ton Of Medication Including

Husband has Parkinson's and on a ton of medication including the following for B/P:juj Losartin Potassium 100mg once daily, Atenolol 25mg twice a day and Eplerenone 25mg daily. Amlodipine was discontinued last week. He has an Rx of Clonidine to take if B/P is greater than 180/100. B/P was 185/76, p 62. Has had Rx for a year but has never had to take it. Should he take one with current vital signs?