Flashbacks and hallucinations seem similar, but there are important differences. A flashback is a vivid, traumatic memory, in which the person can visualize, hear, feel, and/or smell the traumatic event, as if they were still enduring the same trauma. A flashback appears to a person like a movie replaying in front of them, and it appears as if the person were going through the same trauma. Flashbacks are seen in people with PTSD (post traumatic stress disorder).
On the other hand, hallucinations are sensory experiences which are imagined, and not really there. Hallucinations are brought about by impaired reality testing, where the person does not know the difference between what is imagined, and what is real. Hallucinations can come in various forms, such as hearing voices and seeing things. Hallucinations are not based on traumatic experiences, such as that found with flashbacks. Hallucinations are usually seen in people with psychosis.
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I occasionally have flashbacks brought on by a smell, sound or object. They cause me to pass out briefly or become dizzy and have to lay down. Afterward I feel OK. My doctor arranged an MRI; it showed no problems. I would like to find out the cause and stop them.
I can offer some general information that might help you understand your situation. Experiencing flashbacks triggered by smells, sounds, or objects, followed by passing out or dizziness, can be concerning and may have various potential causes. While I can’t diagnose your condition, I can suggest some possibilities for you to discuss with your healthcare provider:
Post-Traumatic Stress Disorder (PTSD): Flashbacks are a common symptom of PTSD. They can be triggered by sensory cues that remind you of a traumatic event. Passing out or becoming dizzy could be a physiological response to the emotional distress caused by these flashbacks.
Vasovagal Syncope: This is a condition where certain triggers, such as specific smells or emotional stress, can lead to a sudden drop in blood pressure and fainting. These triggers may be related to your flashbacks.
Migraines: Some people experience sensory disturbances, known as auras, before a migraine headache. These auras can include visual, auditory, or olfactory hallucinations, which might resemble flashbacks.
Other neurological conditions: Certain neurological conditions can cause sensory disturbances and altered consciousness. Your doctor might need to explore other possibilities, even if the MRI came back normal.
Anxiety or panic attacks: Intense anxiety or panic attacks can sometimes lead to sensory disturbances and dizziness. These episodes may be triggered by specific stimuli.
Medication or substance-related issues: If you are taking medication or using substances that may have side effects or interactions, they could be contributing to your symptoms.
It’s essential to continue working closely with your healthcare provider to determine the exact cause of your symptoms. They may recommend further tests or refer you to specialists such as neurologists or psychiatrists for a more detailed evaluation. Keeping a journal of your episodes, including triggers, symptoms, and their frequency, can also be helpful in diagnosing and managing your condition.
Remember that only a qualified healthcare professional can provide a proper diagnosis and treatment plan tailored to your specific needs. If you ever experience severe symptoms or are concerned about your health, seek immediate medical attention.