What over-the-counter drug do you suggest for a heavy "wet" cough with runny nose and sneezing?

Mucinex (guaifenesin): If you feel like you have an infection, you may want to avoid antihistamines, because they hinder you from clearing the infection quickly. Therefore, decongestants and Guaifenesin may be helpful. Mucinex (guaifenesin) d has both, but taking it at night can cause insomnia. Plain Mucinex (guaifenesin) can be taken at any hour. These are expectorants and can help you clear secretions. Your immune system does the rest; or see md.