Fexofenadine

Question 1

What is the drug classification of Fexofenadine?

Answer 1

Anti-histamine

Question 2

What schedule is Fexofenadine classified under?

Answer 2

Schedule 2 (Therapeutic Poisons)

Question 3

What is the action of Fexofenadine?

Answer 3

It is a histamine-1 receptor antagonist, which blocks the body’s histamine production and reduces allergic reaction symptoms

Question 4

What are the side effects of Fexofenadine?

Answer 4

• Headache
• Fatigue / drowsiness
• Vomiting / nausea

Question 5

What are the indications for administering Fexofenadine?

Answer 5

• Allergy / hayfever (i.e. sneezing, runny nose, itchy nose and eyes, watery eyes)
• Urticaria (i.e. hives)
• Itchy skin / swelling / rash related to suspected uncomplicated allergy

Question 6

What are the contraindications for Fexofenadine?

Answer 6

• Known severe allergic reaction
• Patients 12 years and under
• Previous administration within 24 hours

Question 7

What are the precautions when considering the administration of Fexofenadine?

Answer 7

• Elderly patients
• Patients with kidney disease
• Pregnant and breastfeeding patients

Question 8

What is the onset time for Fexofenadine?

Answer 8

1 - 3 hours

Question 9

What is the duration time of Fexofenadine’s effect?

Answer 9

24 hours

Question 10

What is the half-life of Fexofenadine?

Answer 10

11 - 15 hours

Question 11

What is the administration route and dosage for patients with an allergic reaction?

Answer 11

180mg tablet taken orally with a glass of water

Question 12

What is the maximum dose for Fexofenadine?

Answer 12

180mg in 24 hours

Question 13

What are the common trade names for Fexofenadine?

Answer 13

Telfast, Allegra and FX-24