I am taking three blood pressure meds, losartan potassium 100mg, amlodipine besylate 5m, and atenolol 25m. The amlodpine in the morning, others at bedtime. losartan was increased from 50mg to 100mg last week. Over a period of a fews I began to feel nauseous, light headed and chest pains, before bedtime last night I took my pressure. it was 150 over 50 so I didn t take any of the nightime meds. I think the timing of doses must be off or something. any suggestions to talk with my doctor about?email YYYY@YYYY