Can hormones, stress, or birth control trigger my angioedema?

Question

Hello doctor,

I am a 33-year-old woman recently diagnosed with hereditary angioedema after experiencing sudden episodes of facial and throat swelling. These attacks have been frightening, and I am concerned about the possibility of one occurring when I am alone. My doctor explained that the condition is genetic, but I am still unsure about what specifically triggers attacks in women. Do factors such as hormones, stress, or birth control contribute to worsening symptoms?

I have been prescribed emergency medication, but I am not fully confident about using it correctly during an acute episode. I would also like to learn more about preventive treatment options and understand whether it is safe to plan a pregnancy while managing this condition.

Please help.

Thank you.

Answer 1

Hi,

Welcome to icliniq.com.

I understand your concerns, and I would like to help clarify a few important points. Hereditary angioedema usually comes in two types. In Type 1, both the C1 and C4 levels are low. In order to differentiate the types, a test of C1-INH level is needed.

While the types differ in laboratory findings, they usually present with similar symptoms: sudden swelling of various parts of the body, including the face, feet, and throat. Indeed, it is a serious condition, as swelling in the throat may sometimes be life-threatening. Attacks can be triggered by periods of stress, and changes in hormone levels may also lead to flare-ups.

The mainstays of management in HAE involve the avoidance of attacks by maintaining a regular lifestyle, including a healthy diet, good sleep, optimal levels of vitamin D, adequate hydration, and stress-reduction techniques. It is also important to note that medications such as antihistamines, steroids, or epinephrine (EpiPen) are generally ineffective in the case of HAE.

Even so, you do not have to restrict your daily activities. You can still drive, swim, travel, and the like. It is just prudent that when possible, you are accompanied by someone so you could get immediate help when an acute attack occurs.

Several preventive options are now available, which include injections of C1-inhibitor and kallikrein inhibitors on a regular schedule. Acute attacks may be treated with C1 inhibitors, kallikrein inhibitors, and medications such as icatibant-subcutaneous injections. Newer gene-based therapies are also on the horizon. It is best discussed with your doctor to determine the most appropriate preventive plan in your case.

Generally, hormonal therapies and oral contraceptives are avoided in such patients.

I hope this helps.

Kindly revert if there are any queries.

Thank you.