Xanthines  Action - Direct effect on the smooth muscles of the respiratory tract, both in the bronchi and in the blood vessels, by   low-down Ca within the cell. Relax bronchial smooth muscles   take a leak bronchodilation and increasing vital capacity; Inhibits the release of SRSA and histamine   Drugs in this   kinsfolk  Caffeine (caffedrine); Theoplylline (Slo-Bid), aminophylline (truphylline)     Indication - Symptomatic relief or   run of bronchial asthma and for reversal of bronchospasm associated with COPD (chronic bronchitis and emphysema). Unlabeled uses: Stimulation of respirations in Cheyne-Stokes respiration; treatment of apnea and bradycardia in premature infants     Contraindications - GI problems,  coronary thrombosis disease, respiratory dysfunction, renal or hepatic disease, alcoholism, and hyperthyroidism        unrepentant effects - Related to theophylline levels in the blood;   harbour from GI upset, nausea, irritability, restelessness, diziness, palpitations,    life threatening arrhythmias, loss of appetite, proteinuria, respiratory arrest, fever, flushing, and tachycardia to seizure,   temper damage, tachycardia, and even death     Drug-to-drug interactions - Nicotine increases xanthine metabolism     adrenergics  Action - Beta2 selective  adrenergic agonists.

 Reacts with alpha and beta-receptor sites in the SNS to cause bronchodilation,  change magnitude  midpoint rate, increased respiratory rate, and increased BP     Indications  anaphylatic reactions; Acute asthma  round off; Bronchospasm in acute or chronic asthma;  legal profession of exercise-induced asthma; relie   f from respiratory distress of COPD     Con!   traindications  pt w/ cardiac disease, vascular disease, arrhythmia, diabetes, hyperthyroidism      obstinate effects - Sympathomimetic stimulation; CNS stimulation; GI upset, cardiac arrhythmias, hypertension, bronchospasm, sweating, and flushing. Fear, anxiety, restlessness, headache, nausea,  rock-bottom renal formation, palpitation, pallor, tachycardia, local burning and stinging,...If you  wishing to get a full essay, order it on our website: 
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