Phenylephrine and pseudoephedrine are the most widely used drugs in decongestants.
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Q57: Xanthine derivatives such as theophylline are not
Q58: Xanthines are being replaced in asthma therapy
Q59: Respiratory tract secretions are thin and watery
Q60: Glucocorticoids are used in asthma to increase
Q61: Salmeterol is the preferred medication for asthma
Q63: Beta2 agonists are used to relieve ongoing
Q64: DPIs are easier to use than MDIs.
Q65: Alcohol is synergistic with first generation antihistamines.
Q66: Combination medications of antihistamines, decongestants, and analgesics
Q67: Cough suppressants should always be used to
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