JSFiddle - React, Tailwind, and code Playground

JavaScript

function outros() {
  var exibir;
  exibir = 
  '<input type= "checkbox" \
  name="st[]" value="Penicilina">\
  Penicilina <br> \
  <input name="st[]" value="Contraste" \
  type="checkbox">Contraste <br>';
  
  exibir = 
  `<input type= "checkbox" \
  name="st[]" value="Penicilina">\
  Penicilina <br> \
  <input name="st[]" value="Contraste" \
  type="checkbox">Contraste <br>`;

  elexibir = document.getElementById('teste1');
  elexibir.innerHTML = exibir;
}