Author Question: A patient with severe allergic conjunctivitis who has been using cromolyn ophthalmic drops for 2 ... (Read 75 times)

clmills979

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A patient with severe allergic conjunctivitis who has been using cromolyn ophthalmic drops for 2 days calls the nurse to report persistence of the symptoms.
 
  When the nurse explains that it takes several weeks for maximum benefit to occur, the patient asks if there is something else to use in the meantime. The nurse will suggest that the patient discuss which drug with the provider? a. An ophthalmic demulcent
  b. H1-receptor antagonists
  c. Glucocorticoid drops
  d. Ocular decongestants

Question 2

A patient has had dilation of the eyes with an anticholinergic agent. What will the nurse say when preparing this patient to go home after the examination?
 
  a. Systemic side effects will not occur with this agent.
  b. You may experience an increased heart rate, but this is a harmless side effect.
  c. You may need to wear dark glasses until this medication wears off.
  d. You will be able to read as soon as the exam is completed.



Athena23

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Answer to Question 1

B
Histamine receptor antagonists can be used to provide immediate symptom relief, so until the cromolyn has provided relief, they may be useful for treating symptoms. Demulcents only add moisture to the eye and do not prevent chemical mediators from causing symptoms. Glucocorti-coids are used for inflammatory disorders of the eye but are not first-line agents. Ocular decon-gestants are used to treat redness caused by minor irritants.

Answer to Question 2

C
Because the agent causes cycloplegia, which paralyzes the iris sphincter, the eyes are unable to respond to bright light, so patients should be advised to wear sunglasses until this effect wears off. Systemic side effects do occur with these agents. Tachycardia is a systemic effect and may indicate toxicity. Mydriasis is an effect of this drug, causing the eye to be unable to focus; pa-tients will have blurred vision until this effect wears off.



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