Two kinds of children's cough syrup are being recalled after dosing cups with incorrect markings were included in the packaging, prompting concerns that kids could become sick after an accidental overdose. The Perrigo Company is voluntarily recalling two batches of its children's guaifenesin grape liquid and three batches of its children's guaifenesin DM cherry liquid after a dosing cup with the wrong markings was included with the 4 oz.