Can you call a "blister" a "bubble"?

[k9f100]

In my language words for "blister and "bubble" are selfsame, hence from time to time I end up unmindfully calling a blister on my foot/hand "a bubble". Like in the sentence "I must pierce this bubble, so the wound heals faster." Is this usage a mistake?

 

[Florentia52]

Yes. We wouldn't refer to a skin blister as a "bubble."