What a graduate certificate can't do. While a graduate certificate can get you a raise or help you switch careers, it won't do much to give you recognition in certain professions. The most obvious (are) in law and medicine.
Medicines that can be used to treat productive coughs include expectorants and mucolytics. Cough and cold medicines should not be given to children younger than 6 years of age. Ask your doctor or pharmacist about whether cough medicines should be given to children aged 6 to 11 years.
The best medicine for a dry cough is menthol cough drops. You can buy them in fruity flavors so that they are enjoyable to use, and they instantly soothe a dry cough. I use them when I have a cold or any sort of throat irritation that makes me cough.