PATIENT MANAGEMENT- ALLERGY

Question 1

1. Possible manifestations of penicillin allergy (3)

Answer 1

 Skin rash

 Anaphylaxis

 Itchy skin

 Wheezing

Question 2

2. Discuss how you can identify patient with history of drug allergy in a dental clinic (2)

Answer 2

• Skin test
  
  • Administer a small amount of penicillin or its breakdown products (PRE-PEN) on skin scratching or intradermal injection
  • Positive result will show localized reddening, swelling, itching area
• Ask if the patient is allergic to other food or substance as patient allergic to 1 substance may also be allergic to another
• Blood test

Question 3

3. (Summative, 2010)
   a. What are the symptoms of penicillin allergy?

Answer 3

 Skin rashes, hives, itchy eyes, swollen lips / tongue / face

 Anaphylaxis: Difficulty in breath, dizziness, unconsciousness, nausea, vomiting, rapid or weak pulse

Question 4

b. How would you manage if the patient is allergic to penicillin given?

Answer 4

Question 5

4.

a. State the possible manifestations of allergic reaction to antibiotic? (3)

Answer 5

 Bronchospasm, hypotension, shock

 Itchy
 Angioedema: swollen eyes, lips..

 Abdominal pain

 Nausea
 Vomiting

 Diarrhea

 Urticaria

 Dyspnea

 palpitation

 wheezing

 Weakness

 Dizziness
 Unconsciousness

Question 6

4.

b. What can be done in the dental clinic to identify patients with drug allergy? (2)

Answer 6

 History taking
 Clinical examination

 Consult the physician