Do these look like sweat pimples?

Question

They randomly popped up one day on my fiancé’s neck on both sides

Answer

That looks hormonal to me, like acne.
But then again I don’t know what a sweat blister is

Answer

Set up a dermatologist appointment and get a cream to help clear up your acne or try proactive good luck

Answer

Not sure it could be from sweating. I agree it looks more hormonal. I would say maybe buy some facial wipes he could use at morning/night and maybe a face wash for when he showers. But if he clean shaves and then he gets sweaty around his neck and he doesnt shower off later, the sweat could clog his pores causing this.

Answer

Could be or it looks like an allergic reaction to something