Alcohol: Cufpil EX Expectorant may cause excessive drowsiness with alcohol. Pregnancy: Cufpil EX Expectorant may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor. Breastfeeding: Cufpil EX Expectorant is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby. Driving: Cufpil EX Expectorant may cause side effects which could affect your ability to drive. Kidney: Cufpil EX Expectorant should be used with caution in patients with kidney disease. Dose adjustment of Cufpil EX Expectorant may be needed. Please consult your doctor.Limited information is available on the use of Cufpil EX Expectorant in these patients. Liver: Cufpil EX Expectorant should be used with caution in patients with liver disease. Dose adjustment of Cufpil EX Expectorant may be needed. Please consult your doctor.Limited information is available on the use of Cufpil EX Expectorant in these patients.