NUR 326 Lecture Notes - Lecture 5: Respiratory Tract, Allergic Rhinitis, Myoclonus
Document Summary
Medications effecting the upper respiratory tract: antitussives act on the cough control center in the medulla to suppress cough reflex. Do not give to patient with cystic fibrosis: codeine (opioid) Use for a chronic non-productive cough to decrease the frequency and intensity. Addiction potential: dextromethorphan (non-opioid) triaminic, vicks day quill. Act directly on cough center, controls non-productive cough. Chronic cough that occurs with smoking, asthma, or for cough accompanied by excessive mucus or phlegm. Don"t use in children younger than 4. Not to be taken with monoamine oxidase (mao), causes hypotension, fever, nausea, myoclonic jerks and possible coma: antitussives should not be used in pregnancy and during lactation can cause sedation and cns depression in fetus. Decongestants decrease the blood flow to the upper respiratory tract and decrease the overproduction of secretions. Sympathomimetic amines stimulate the alpha-adrenergic receptors producing vascular construction. Adverse reaction: rebound nasal congestion (use longer than 3-5 days: topical nasal decongestant tetrahydrozoline (tyzine)
