Sudden red pimple like bumps on legs?

opso Asked: Sudden red pimple like bumps on legs?1. I do not shave my legs (I'm male)2. Four days ago I started a physically stressful job where I sweat a lot3. I have not had acne problems for awhile (except for the one pimple a month or so)4. My girlfriend has been getting red dots (starting from her armpit area) which she is going to the doctor soon, but her red dots do not look similar.5.Recently visited an waterpark where I slept in a motel bed.6.Also rode a horse recently.So yesterday I just noticed that on the top portion of my legs, there are about 30 pimple like bumps on each of

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