Rompe Pecho DM Cough Syrup (Blue) - 6 ozRompe Pecho DM Cough Syrup: Find relief from cough and congestion with Rompe Pecho DM Cough Syrup. Size: This bottle contains 6 ounces (177 ml) of cough syrup, providing a sufficient supply to help alleviate cough symptoms. Cough Relief: Rompe Pecho DM Cough Syrup is formulated to help suppress cough and loosen mucus, making it easier to expel. Dual Action Formula: The syrup combines an expectorant to help loosen phlegm and a cough suppressant to