Cardiac & Resp. - Drugs Flashcards
Nasal Decongestant - function
- reduces swelling of mucous membranes and relieves congestion
- release norepinephrine which causes vasoconstriction and shrinking of mucous and nasal drainage
- treats rhinitis, coryza and sinusitis
Nasal Decongestant - contraindications
- hypertension
- glaucoma
- prostrate disease
- cardiac disease
Nasal Decongestant - side effects
nervousness, irritability, restlessness, insomnia, palpitations, urinary retention, and hypertension
Nasal Decongestant - elderly considerations
use cautiously in those with hypertension, hyperthyroidism, cardiovascular disease and BPH
Nasal Decongestant - examples
Afrin, Neo-Synephrine-Sudafed
Antihistamine - function
- prevents the release of histamine
- relieve sneezing, rhinorrhea and nasal itching associated with allergic rhinitis
Antihistamine - contraindications
narrow angle glaucoma, BPH and pregnancy
Antihistamine - side effects
- drowsiness, nausea, dry mouth, tinnitus and CNS depression
- anxiety and agitation especially in children
Antihistamine - examples
chlor-trimeton, tavist, Benadryl, zyrtec, vitaril, hismanil, allegra and claritan
Antitussives - function
- suppress cough with 2 major groups - opiods & nonopiods
- decreasing the cough responses in the medulla
Antitussives - contraindications
do not mix with barbituates
Antitussives - side effects
change in pulse either increase or decrease, hypotension, lethargy and stupor
Antitussives - treats
- decrease the frequency & intensity of coughing
Antitussives - examples
- opioids: codeine, Robitussin with codeine, morphine sulfate
- nonopiods: Tessalon Perles, Benylin, Robitussin DM
Expectorants - function
- stimulates the flow of secretions
- makes secretions more liquid and easier to expectorate
- make cough more productive
Expectorants - examples
- plain Robitussin and Novahistine
Mucolytics - function
reacts with mucous to make it more water and easily expectorated
Mucolytics - examples
NaCl solution and Mucomyst
Mucolytics - administration
inhalation only
Mucolytics - Tylenol overdose
DR may order it and have patient DRINK it
Bronchodilators - B2 Adrenergic Agonists - examples
Terbutalin, Albuterol, Serecent, Brethine and Epi
Bronchodilators - B2 Adrenergic Agonists - function
relax bronchial smooth muscle and produces bronchial dilation
Bronchodilators - B2 Adrenergic Agonists - administration
- metered dose inhaler or nebs for quick relief
- orally for long term therapy or IV and SQ
Bronchodilators - B2 Adrenergic Agonists - side effects
tremor, angina, cardiac changes
Bronchodilators - B2 Adrenergic Agonists - contraindications
- people on Inderal
- Inderal can inhibit the effect of this med
Bronchodilators - B2 Adrenergic Agonists - teaching
- wait one minute at least between puffs of inhaler
- don’t exceed dose
- do oral cares
- clean device
Bronchodilators - B2 Adrenergic Agonists - methylxanthines-theophyline - function
- relax smooth muscle
- long and short term control
Bronchodilators - B2 Adrenergic Agonists - methylxanthines-theophyline - blood level
- less than 20 mg
- 20 - 25 mg will cause nausea, emesis, diarrhea, insomnia and restlessness
- greater than 30 mg - sever cardiac changes, seizures and eath
Bronchodilators - B2 Adrenergic Agonists - methylxanthines-theophyline - tobacco & phenobarbital
decreases level of this medicine
Bronchodilators - B2 Adrenergic Agonists - methylxanthines-theophyline - teaching
- do not break, crush, or chew enteric or time released products
- avoid caffeine
corticosteroids - function
- suppress inflammation, decrease mucous secretion, decrease airway edema
- used to treat acute and chronic conditions
corticosteroids - contraindication
- peptic ulcers disease, inflammatory bowel disease, hypertension and CHF
corticosteroids - examples
- inhaled: Beclovent, Vanceril, Aerobid, Azamcort
- oral: Prednisone-Medrol Dose Pak
- IV: Solu Methol