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Does Lanadelumab help prevent swelling attacks of HAE?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello, doctor.

I am 48 years old, and I have HAE. I began preventive treatment recently, but the fear of attacks is still very real. I have had fewer attacks since I started treatment, but not none and that scares me.

  1. Does Takhzyro stop all swelling attacks in people with HAE?

  2. Are occasional episodes common?

  3. Do you expect breakthrough attacks even on this medication?

  4. Do I need to keep carrying rescue medication with me at all times, even if I seem stable?

Living on constant alert is exhausting, and I want to understand what realistic disease control looks like. I want to be prepared, but I also want to live without the constant fear that an attack is going to happen.

Please help me.

Answered by Dr. Basuki Nath Bhagat

Education:

MBBS

Professional Bio:

Dr. Basuki Nath Bhagat is an experienced General Practitioner with expertise in primary care, preventive health, and the management of acute and chronic illnesses such as diabetes, hypertension, and respiratory conditions. He is skilled in clinical diagnostics, patient education, and holistic treatment planning. Known for his compassionate and detail-oriented approach, Dr. Bhagat is committed to providing accessible, personalized healthcare for patients of all age groups.

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com

I read your query and understood your concern.

Lanadelumab is a very efficacious drug for the prevention of attacks of hereditary angioedema (HAE); however, it does not provide complete protection against attacks. Most of the patients have noticed a great reduction in the number of episodes, but attacks may still occur despite effective use of the medication.

As a result, people with HAE are often told to carry their rescue (on-demand) medication with them at all times, even if they have been stable for long periods.

The goal of treatment is generally to achieve substantial disease control and better quality of life rather than to guarantee zero attacks forever. It doesn't mean the treatment's failing if you have the occasional breakthrough attack.

Over time, as attacks become less frequent and more predictable, many patients find that they gain more confidence in their daily activities.

If the attacks continue to be bothersome, I would suggest that you continue to carry your rescue medication and work closely with your HAE specialist to optimize your treatment plan.

I hope you feel satisfied with my answer.

Take care

Medically reviewed by iCliniq medical review team
Published At June 18, 2026
Reviewed At July 1, 2026

Education:

MBBS

Professional Bio:

Dr. Basuki Nath Bhagat is an experienced General Practitioner with expertise in primary care, preventive health, and the management of acute and chronic illnesses such as diabetes, hypertension, and respiratory conditions. He is skilled in clinical diagnostics, patient education, and holistic treatment planning. Known for his compassionate and detail-oriented approach, Dr. Bhagat is committed to providing accessible, personalized healthcare for patients of all age groups.

This doctor is not available for online consultations on the platform anymore.

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Education:

MBBS

Professional Bio:

Dr. Basuki Nath Bhagat is an experienced General Practitioner with expertise in primary care, preventive health, and the management of acute and chronic illnesses such as diabetes, hypertension, and respiratory conditions. He is skilled in clinical diagnostics, patient education, and holistic treatment planning. Known for his compassionate and detail-oriented approach, Dr. Bhagat is committed to providing accessible, personalized healthcare for patients of all age groups.

This doctor is not available for online consultations on the platform anymore.

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