Yes..My housemate is a MD..taking Diltiazem 180 mg..along with alsartan 80 mg BID..has confirmed Lyme..increasing short term memory loss..drinks beer..and sugar..and Drug induced SLE a concern along with the contraindication of taking a beta blocker with a calcium channel blocker ? AM RN with Lyme Positive AnA..dx’d with Lupus 67and only drop on list of 50 was Doxycycline..just had horrible reaction to Doxy and will never take again