Fexofenadine
Regulatory sources consulted
- AEMPS CIMA: https://cima.aemps.es/cima/dochtml/ft/79726/FT_79726.html
- CredibleMeds.org
- AEMPS CIMA · nº registro 79726 ↗
- RxNorm rxcui 87636 ↗
Approved indications
- Relief of symptoms associated with seasonal allergic rhinitis in adults and adolescents 12 years of age and older.
- Relief of uncomplicated cutaneous manifestations of chronic idiopathic urticaria in adults and adolescents 12 years of age and older (180 mg dose).
Contraindications
Absolute
- Hypersensitivity to the active substance or to any of the excipients.
Clinical warnings
- Should be administered with caution in elderly patients and in patients with renal or hepatic impairment due to limited data. — AEMPS CIMA
Drug interactions
- ModerateKetoconazoleJ02AB02
Mechanism: Inhibition of P-glycoprotein (P-gp) and/or organic anion transporting polypeptides (OATP), resulting in a 2-3 fold increase in fexofenadine plasma levels.
Recommendation: Use with caution. No clinically significant increase in adverse effects or QT interval has been observed with concomitant use.
AEMPS CIMA
- ModerateFruit juice (grapefruit, orange, apple)
Mechanism: Inhibition of organic anion transporting polypeptides (OATP) in the gut, reducing the absorption and bioavailability of fexofenadine.
Recommendation: Take fexofenadine with water. Avoid co-administration with fruit juices, separating intake by at least 4 hours.
AEMPS CIMAPMID:12042722
Adverse events
Common (≥1%)
headache · drowsiness · dizziness · nausea
Rare but serious
angioedema · anaphylaxis
Pregnancy and lactation
FDA category: C
Pregnancy: Should not be used unless clearly necessary. Lactation: Not recommended.