Chapter 7 Presentation
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Transcript of Chapter 7 Presentation
Chapter 7 presentation
Antihistamines
Antitussives
Decongestants
Antihistamines
• Antihistamines are a type of drug medicine used for allergies and hay fever symptoms such as:
– Runny nose / itchy nose
– Sneezing
– Watery eye
Antihistamines cont’d
• Many Antihistamines are available over the counter and come in many forms:
– Nasal spray
– Tablet
– Liquid forms
Antihistamines cont’d
• Some examples of brand name Antihistamines are the following:
Antihistamines cont’d
• How do they work?
– The histamine from the medication acts as a competitive inhibitor and blocks the histamine from binding to the histamine’s receptor site to cause allergy like symptoms.
Antihistamines cont’d
• Precautions
– Avoid alcohol, sedatives, tranquilizers or any drug that may cause drowsiness.
– Do not use if breastfeeding, have narrow-angle glaucoma or have allergies to Antihistamines
• Side Effects
– Drowsiness, dry mouth, urine retention and blurred vision
Antitussives
• Type of drug medicine used to suppress and relieve cough symptoms such as the following:
– Dry cough (cough suppressant)
– Coughs with phlegm (cough exportant)
Antitussives cont’d
• Many Antitussives are available over the counter and come in mostly two forms:
– Liquid
– Cough drops
Antitussives cont’d
• Some examples of brand name Antitussives are the following:
•
Antitussives cont’d
• Precautions
– Can cause complications for people who have asthma, heart failure, high blood pressure, glaucoma or enlarged prostate
– Don’t overuse! Some products contain alcohol
• Side Effects
– Drowsiness
Decongestants
• Decongestants are a type of drug medicine to reduce nasal congestion symptoms such as the following:
– Watery eyes
– Stuffy head and nose
Decongestants cont’d
• Many Decongestants are available over the counter and come in the following forms:
– Liquid capsules
– Liquid
– Nasal spray
Decongestants cont’d
• Some examples of brand name decongestants are the following:
Decongestants cont’d
• How do they work?
– Reduce nasal decongestion by narrowing blood vessels and reduce blood flow to nasal passage
Decongestants cont’d
• Precautions
– Use only as temporary relief. Longer than needed use can cause worse congestion
– Individuals should not use if have high blood pressure, coronary heart disease or narrow-angle glaucoma
• Side Effects
– May increase blood pressure, swell nasal passage with overuse, cause difficulty sleeping