It does sound like derealization to me, the bubble like feeling, or like your in a bottle weird feelings like that.

I've had that happen not too long ago and it scared the crap out of me. 2 thing can cause this, Anxiety, and "no pain" migraines.. It definatly can cause panic if you do not know what it is...

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What is derealization?
A change in an individual's experience of the environment, where the world around him/her feels unreal and unfamiliar.

Again, this symptom is caused by a change in the way senses percieve our surroundings due to sensitized, anxious, nerve signals reaching the brain. It is completely harmless but can be disturbing. The more you give it credibility, the longer it stays with you. As anxiety levels are reduced, derealization disappears.

Terms commonly used to describe derealization include:

spaciness,
like looking through a grey veil,
a sensory fog, spaced-out,
being trapped in a glass bell jar,
in a goldfish bowl,
behind glass,
in a Disney-world dream state,
withdrawn,
feeling cut off or distant from the immediate surroundings,
like being a spectator at some strange and meaningless game,
objects appear diminished in size,
flat,
dream-like,
cartoon-like,
artificial;
objects appear to be unsolid, to breathe, or to shimmer;
'as if my head were inside a Coke bottle and I'm viewing the world through the thick glass at the bottom'.

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<font color=red>~Sundance~</font color=red>

<font color=blue>"Never react emotionally to criticism. Analyze yourself to determine whether it is justified. If it is, correct yourself. Otherwise, go on about your business."</font color=blue>

<font color=black>Norman Vincent Peale</font color=black>