Glencoe Health 2005.pdf

To finish a prescription medication are two reasons

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to finish a prescription medication are two reasons why bacteria develop resistance. A new generation of broad-spectrum antibiotics has been developed that kill a wide variety of bacteria, including some penicillin-resistant strains. ANTIVIRALS AND ANTIFUNGALS Antibiotics have no effect on viruses. However, a new group of drugs called antivirals has been devel- oped to treat some viral illnesses. Antiviral medi- cines often only suppress the virus; they don’t kill it. Antifungals can cure or suppress infections such as athlete’s foot and ringworm. vaccine 587 Lesson 1 The Role of Medicines antibodies For more informa- tion on antibodies and vaccines, see Chapter 24, page 633. Athlete’s foot can be controlled with antifungal medicines. Why is it important to use the correct medicine for a particular treatment?
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Medicines That Relieve Pain Probably the most common medicines are analgesics, or pain relievers . Analgesics range from comparatively mild medicines such as aspirin to strong narcotics such as the opium-based morphine and codeine. Aspirin contains acetylsalicylic (uh-SEE-tuhl-sal-uh-SIL-ik) acid. Aspirin is used to relieve pain, to reduce fever, and to treat arthritis. Because of its widespread use, many people don’t realize that aspirin can be dangerous. Even small amounts can irritate the stomach, especially when it’s empty. Aspirin can cause dizziness and ringing in the ears. Children who take aspirin are at risk of developing Reye’s syn- drome, a potentially life-threatening illness of the brain and liver. Aspirin, therefore, should not be given to any- one under the age of 20 unless a health care professional directs otherwise. Some people who are sensitive to aspirin take acetaminophen (uh-see-tuh-MIH-nuh-fuhn) or ibuprofen (eye-byoo-PRO-fuhn) instead. Acetaminophen is the recommended analgesic for children. Medicines That Promote Health Medicines that maintain or restore health enable many people with chronic disease to function at an increased level of wellness. Such medicines include: Allergy medicines. Many people rely on antihistamines and other medications to reduce the sneezing, itchy or watery eyes, and runny nose that often accompany allergies. Body-regulating medicines. Some medicines maintain health by regulating body chemistry. Insulin is used to treat diabetes. Asthma sufferers use inhalers to relieve the swelling of bronchial tubes. Cardiovascular medicines are taken to regulate blood pressure, normalize irregular heartbeats, or regulate other functions of the cardiovascular system. Antidepressant and antipsychotic medicines. These medicines help normalize brain chemistry. For example, mood stabilizers are often used in the treatment of mood disorders, depression, and schizophrenia. Proper medication can help people with these problems live healthy, productive lives.
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