Fexofenadine Flashcards
What is the drug classification of Fexofenadine?
Anti-histamine
What schedule is Fexofenadine classified under?
Schedule 2 (Therapeutic Poisons)
What is the action of Fexofenadine?
It is a histamine-1 receptor antagonist, which blocks the body’s histamine production and reduces allergic reaction symptoms
What are the side effects of Fexofenadine?
- Headache
- Fatigue / drowsiness
- Vomiting / nausea
What are the indications for administering Fexofenadine?
- 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
What are the contraindications for Fexofenadine?
- Known severe allergic reaction
- Patients 12 years and under
- Previous administration within 24 hours
What are the precautions when considering the administration of Fexofenadine?
- Elderly patients
- Patients with kidney disease
- Pregnant and breastfeeding patients
What is the onset time for Fexofenadine?
1 - 3 hours
What is the duration time of Fexofenadine’s effect?
24 hours
What is the half-life of Fexofenadine?
11 - 15 hours
What is the administration route and dosage for patients with an allergic reaction?
180mg tablet taken orally with a glass of water
What is the maximum dose for Fexofenadine?
180mg in 24 hours
What are the common trade names for Fexofenadine?
Telfast, Allegra and FX-24
