This topic contains a solution. Click here to go to the answer

Author Question: The nurse is advising a client who been using diphenhydramine (Benadryl) over-the-counter (OTC) to ... (Read 73 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
The nurse is advising a client who been using diphenhydramine (Benadryl) over-the-counter (OTC) to induce sleep. The client complains about a dry mouth. The nurse explains that:
 
  1. Diphenhydramine causes less dryness if taken in the liquid form.
  2. Drying of the mouth membranes is common after taking diphenhydramine.
  3. Drowsiness caused by the diphenhydramine caused the client to reduce fluid intake.
  4. Diphenhydramine has a muscle relaxant effect, so the client is likely sleeping with the mouth open.

Question 2

The nurse is teaching a client about the use of antihistamines for allergic rhinitis. Which pointer is appropriate for increasing effectiveness?
 
  1. Take this drug at the same time every day.
  2. Take this drug with the largest meal of the day.
  3. Take this drug when your symptoms are the worst.
  4. Take this drug before you are exposed to your allergens.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pratush dev

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

Correct Answer: 2
Rationale 1: Substituting the liquid form for another form will not make any difference.
Rationale 2: Diphenhydramine is an antihistamine with a potent anticholinergic effect that promotes dry mouth.
Rationale 3: Diphenhydramine does not reduce fluid intake in a significant way.
Rationale 4: The client might sleep with the mouth open, but that is not the primary cause of the dry mouth.
Global Rationale: The major adverse effect of antihistamines relates to their anticholinergic effects. Excessive drying of mucous membranes can lead to dry mouth, and urinary hesitancy may be troublesome for patients, especially those with prostatic hyperplasia. Some antihistamines produce more pronounced anticholinergic effects than others. Diphenhydramine and clemastine exhibit a significant incidence of anticholinergic adverse effects, whereas the second-generation agentsloratadine, desloratadine, and fexofenadineproduce the least. Substituting the liquid form for another form will not make any difference. Diphenhydramine does not reduce fluid intake in a significant way. The client might sleep with the mouth open, but that is not the primary cause of the dry mouth.

Answer to Question 2

Correct Answer: 4
Rationale 1: Antihistamines are most effective if taken prior to exposure to allergens. Exposure is episodic.
Rationale 2: Antihistamines work best on an empty stomach.
Rationale 3: Antihistamines cannot stop allergic reactions that are well under way.
Rationale 4: Antihistamines are most effective if taken prior to exposure to allergens.
Global Rationale: Antihistamines are most effective when taken prophylactically to prevent allergic symptoms. Their effectiveness in reversing allergic symptoms that have already manifested is limited. This is because antihistamines block the effect of histamine at its receptor sites. They do not prevent the release of histamine from mast cells. Their effectiveness may diminish with long-term use. Antihistamines work best on an empty stomach.



ishan

  • Hero Member
  • *****
  • Posts: 546
Both answers were spot on, thank you once again




 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Your heart beats over 36 million times a year.

For a complete list of videos, visit our video library