2. Drugs pharmacology, a drug is "a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being."[4] Drugs may be prescribed for a limited duration, or on a regular basis for chronic disorders.[5] In Pharmacology, a drug is “a chemical substance used in a treatment, cure, prevention, or used to otherwise enhance physical or mental well-being”. Drugs may be prescribed for a limited duration, or on a regular basis for chronic disorders.
3. Mucomyst Mucomyst is a mucolytic that loosens and thins mucus in the lungs. It is used to make breathing easier in patients with bronchitis, cystic fibrosis, emphysema, tuberculosis, or other lung problems. It is also used after an acetaminophen overdose to prevent liver damage.
4. Allegra Allegra is an antihistamine that is used to treat or prevent symptoms of allergies. It reduce the effects of natural chemical histamine in the body. It is also used to help reduce itchy skin rash and hives Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Allegra is used to treat symptoms of seasonal allergies (hay fever) in adults and children. Allegra is also used to treat skin itching and hives caused by a condition called chronic idiopathic urticaria in adults and children.
5. Robitussin Robitussin is an expectorant. It helps thin the mucus and make coughs caused by colds or the flu. It is not intended to treat chronic cough caused by smoking, asthma, emphysema or heart failure.
![Drugs pharmacology, a drug is "a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being."[4] Drugs may be prescribed for a limited duration, or on a regular basis for chronic disorders.[5] In Pharmacology, a drug is “a chemical substance used in a treatment, cure, prevention, or used to otherwise enhance physical or mental well-being”. Drugs may be prescribed for a limited duration, or on a regular basis for chronic disorders.](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)