Could Dizziness Be The Withdrawal Symptom Of Ativan?

i am on lexapro. and was on 0.5 mg ativan for about a month around twice a day then i seen a sphycytrist and was prescribed clanazepam and was told to only take one ativan a day witch was about five days when taking the clanazepam now that i have totally stoped taking the ativan and just the clanazepam ive felt dizzy and pretty scared and anxious. is this normal or is this rebound anxiety and how long will it last please help when i get nervous like that my blood pressure goes up to 160/92 and makes me feel even more scared of somthing worse the dizzeness is frightning