Hand foot and mouth

Has anyone’s toddler had this? I’m pretty sure my son has it... he is going on day 3 of it and we both get no sleep cause he is constantly tossing and turning in his sleep and crying because of the rash on the bottom of his feet itch way to bad and nothing is helping. I’m going to take him to the doctor in the morning, but what helped you moms ? I’m pregnant and I’m getting induced Thursday so I really need my sleep and I need my son to be all healthy and back to normal. I’m so stressed 😩