London Allergy Nose & Sinus

The London Allergy Nose and Sinus Clinic (LANSC) is the UK’s premier destination medical facility specializing in advanced, specialist-led care for complex nose and sinus diseases, asthma, and general allergies. Located on Weymouth Street just off Harley Street in central London's premier medical district, the clinic provides cutting-edge diagnostics and personalized treatment plans tailored specifically to adult patients.

Expert-Led Care

Led by Dr Harsha Kariyawasam (FRCP PhD), a leading Consultant in Medical Rhinology, Allergy & Respiratory Medicine with over 16 years of experience, the clinic offers a unique, combined medical and surgical approach to complex airway conditions.

Key Services

• Nose & Sinus: Specializing in chronic sinusitis, nasal polyps, and advanced diagnostics using a state-of-the-art nasal function unit.
• Allergy & Rhinitis: Comprehensive care for allergies and anaphylaxis, including expert IgE blood testing.
• STOP Hayfever Clinic: Specialized 1-hour assessment with advanced skin prick testing.
• Asthma Management: Expert care for complex and general asthma.

Appointments & Insurance

LANSC welcomes self-pay and insured patients, working with major providers including Aviva, BUPA, Cigna, Vitality, and WPA.