A prescriber has ordered bethanechol [Urecholine] for a postoperative patient who has urinary retention. The nurse reviews the patient's chart before giving the drug
Which part of the pa-tient's history would be a contraindication to using this drug? a. Asthma as a child
b. Gastroesophageal reflux
c. Hypertension
d. Hypothyroidism
A
Bethanechol is contraindicated in patients with active or latent asthma, because activation of muscarinic receptors in the lungs causes bronchoconstriction. It increases the tone and motility of the gastrointestinal (GI) tract and is not contraindicated in patients with reflux. It causes vasodi-lation and would actually lower blood pressure in a hypertensive patient. It causes dysrhythmias in hyperthyroid patients.
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