For the first couple of days of having them, they did not itch at all. Now, they itch periodically and are very
heat sensitive. I scratched one open while sleeping and it is still a hard bump, but now has a little scab in the centre. Someone has suggested that they could be water blisters, as I did recently switch my laundry detergent and it could be a reaction. If they are water blisters, what should I do aside from NOT scratch or pop them? If not, what else could they be?