On my 8th day on lustral 50 with psychiatrist for gad & health anx., i felt depression 4 days,then anxiety for 1 day then empty mind, is this normal?

Anxiety: I understand your distress. Lustral (Sertraline) is primarily for treatment of Depression.,it can help anxiety. Lustral side effects can be anxiety and depression. Stress of relationships with parents, siblings and work personnel; and finances can cause depression. Use Breathing and Music Relaxation, Yoga, Meditation. See a Psychiatrist for Therapy, discuss Lorazepam and Alprazolam for Anxiety.