Alcohol: Kofflag-LS Expectorant Cola Sugar Free may cause excessive drowsiness with alcohol. Pregnancy: Kofflag-LS Expectorant Cola Sugar Free 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: Kofflag-LS Expectorant Cola Sugar Free is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby. Driving: Kofflag-LS Expectorant Cola Sugar Free may cause side effects which could affect your ability to drive. Kidney: Kofflag-LS Expectorant Cola Sugar Free should be used with caution in patients with kidney disease. Dose adjustment of Kofflag-LS Expectorant Cola Sugar Free may be needed. Please consult your doctor.Limited information is available on the use of Kofflag-LS Expectorant Cola Sugar Free in these patients. Liver: Kofflag-LS Expectorant Cola Sugar Free should be used with caution in patients with liver disease. Dose adjustment of Kofflag-LS Expectorant Cola Sugar Free may be needed. Please consult your doctor.Limited information is available on the use of Kofflag-LS Expectorant Cola Sugar Free in these patients.