• Leader's Mucus Relief DM Tablets are a powerful extended-release medicine that controls bad coughs while thinning and loosening mucus.
  • The maximum-strength tablets clear chest congestion while mitigating the intensity of coughing.
  • Take this medication by mouth with or without food, as directed by your doctor. If you are self-treating, follow all directions on the product package. To prevent trouble sleeping, do not take this medication close to bedtime.
  • Do not increase your dose or take this drug more often than directed. If you are using the liquid form of this medication, carefully measure the dose using a special measuring device/spoon.
  • Guaifenesin is a common OTC expectorant. It usually takes about 30 minutes to kick in.