Flashbacks are a very common occurrence for survivors of trauma and one of the hardest symptoms to deal with. Practice the following technique. It does work.
This is a fabulous technique for dealing with triggers of all kinds. It takes time to master and perfect it. Practice makes perfect.
This technique is wonderful in dealing with anxiety and triggers.
Another wonderful technique in dealing with triggers. As with grounding techniques, containment can also take time to master but is well worth the effort.