 [ Symptoms ] can you identify this strange blister  what is a small blister like flat bubble on my shoulder that causes no pain and no itchiness it may have gone down a bit during the three weeks it has been there no spreading and no additional blisters found first i have ever noticed in my 57 years [ Disease ] unfortunatelly it would not be possible for me or any medical provider to blindly identify this blister based solely on your description you would need to be examined first hand by a medical professional