There are multiple ways to get blisters from playing tennis. As with all sports, one of the most common ways to get a blister is from wearing shoes that aren't broken in, don't fit, etc. Another common way to get a blister playing tennis is from your grip and the racket rubbing against your hand/fingers.
No not all blisters are herpes. Some are just water blisters from chaffing, some types of eczema can also cause blisters.
She couldn't walk without wincing due to the painful blisters on her feet from hiking all day.
You can get blisters by wearing ill fitting shoes.
Blisters should not be broken.
You can get fever blisters from boys or girls.
What do lumps blisters and warts have in comments
In shingles, blisters do not form all the time.
No, only if they are too loose-fitting would they give you blisters. Tight-fitting gloves or gloves that fit your hand just perfect should not give you blisters, as they're supposed to protect your hands from getting blisters, not give blisters.
Yes, chickenpox is contagious from before the blisters show up until all blisters are scabbed over. It is contagious with both closed and open blisters.
Working out won't cause fever blisters.
Most experts will tell you that hiking boots are best for hiking, but some people hate the style or fit of hiking boots. If your heart is set on tennis shoes, go for a sturdy and lightweight tennis shoe that won't give you blisters. Also - try for a color other than white since white will get very dirty while hiking and you may never be able to get the shoe clean.
Friction can cause blisters, yes - however, many sexual diseases cause blisters as well. If you have blisters on your sexual organs, you should see a doctor to make sure it's not a disease.