Is there pedialyte for adults?

It's for everyone: Pedialyte is a oral rehydration drink that is fine for children and adults. One should talk with his doctor if he is having a lot of vomiting or diarrhea.

For all ages,but: Pedialyte is a rehydration solution that is balanced to the specific needs of infants and children but can be used by all. However, the average adult with a bit of vomiting & diarrhea can get similar benefit by diluting gateraid half/half with water. The adult system has more resilience in such a setting. Things like apple sauce, jello and old fashion chicken soup can also be beneficial.

Sort of.: The oral rehydration solution is the same, but adults need it less often - usually for sports dehydration or very severe colitis such as cholera.