Buy Packs and Save - For persistent cough and cold symptoms, Robitussin Lingering Cold Long-Acting Cough Liquid Gels contains a powerful cough suppressant in a unique non-drowsy formula to help you get through your day. Enjoy up to 8 hours of relief in just one dose, now in a convenient LiquiGel for easy on-the-go use. Provides relief by suppressing cough due to minor throat and bronchial irritation.. - Buy Packs and Save