Gancao tablet is a mucosal protective antitussive, which can cover the inflamed throat mucosa and mask the stimulation to local sensory nerve endings, thus playing an antitussive role, and is suitable for dry cough without complications. Compound licorice tablets contain opioids, which may be addictive after long-term use. Generally, it is not appropriate to take them continuously for more than 5 days. According to the clinical report, if you keep taking it for too long, you will feel happy and gradually become eager and dependent on it. Once the drug is stopped, patients may frequently yawn, break out in cold sweat, have a runny nose and even be anxious, which often takes two or three months to get rid of.

Gancao tablets should be taken orally, which will cause nausea, dry mouth, constipation and other adverse reactions. Pregnant and lactating women, elderly people with prostate hypertrophy and dysuria, long-term alcoholics and people with unstable mood on weekdays, it is best not to use licorice tablets.