Does Favism Improve with Age? Childhood Symptoms - Pediatrics

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Does G6PD deficiency persist into adulthood?


My son was born with favism, and he is now 11 years old.
For a while, I forgot that he has favism and let him eat fava beans.
However, it seems like it didn't affect him.
Does favism resolve on its own as he grows older?

Mao, 30~39 year old female. Ask Date: 2012/07/18

Dr. Xiao Kaiwen reply Pediatrics


Favism is a lifelong condition characterized by an enzyme deficiency, but the degree of deficiency can vary among patients.
The amount of exposure to hemolytic triggers also influences the severity of symptoms.
Additionally, weight gain during growth can affect symptom severity (infants with lower weight may experience more severe symptoms).
Therefore, it is advised not to casually attempt exposure to hemolytic triggers.

Reply Date: 2012/07/18

More Info


Favism, also known as G6PD deficiency, is a genetic condition that affects the enzyme glucose-6-phosphate dehydrogenase (G6PD) in red blood cells. This deficiency can lead to hemolytic anemia, particularly when individuals consume fava beans or are exposed to certain infections, medications, or other oxidative stressors. Your question about whether favism improves with age is a common concern among parents of children diagnosed with this condition.

To clarify, G6PD deficiency is a lifelong condition. It does not "cure" itself as a child grows older. However, the severity and frequency of hemolytic episodes can vary significantly from person to person and may change over time. Many children with G6PD deficiency experience fewer symptoms as they age, particularly if they learn to avoid known triggers, such as fava beans and certain medications.
In your case, it seems that your son has been able to consume fava beans without immediate adverse effects. This could be due to several factors:
1. Mild Deficiency: Some individuals have a milder form of G6PD deficiency, which may not lead to significant hemolysis even when exposed to triggers.
2. Adaptation: As children grow, their bodies may adapt to certain stressors, and they may not react as severely to triggers as they did when they were younger.

3. Avoidance of Triggers: If your son has been educated about his condition and has learned to avoid fava beans and other known triggers, this can significantly reduce the risk of hemolytic episodes.

4. Increased Awareness: As children mature, they often become more aware of their health conditions and can take proactive steps to manage them, such as avoiding certain foods or medications.

It is important to note that while some children may experience fewer symptoms as they age, this does not mean that they are no longer affected by G6PD deficiency. Regular monitoring and education about the condition remain crucial.
In terms of management, here are some recommendations:
- Dietary Restrictions: Continue to avoid fava beans and educate your son about other potential triggers, including certain medications (like sulfa drugs and some antibiotics) and infections that can cause oxidative stress.

- Regular Check-ups: Regular visits to a healthcare provider familiar with G6PD deficiency can help monitor your son's health and manage any potential complications.

- Emergency Plan: Have an emergency plan in place in case of a hemolytic episode, including knowing when to seek medical attention.

- Education: Educate your son about his condition so that he can advocate for himself, especially in social situations or when receiving medical care.

In conclusion, while G6PD deficiency is a lifelong condition, many individuals can manage their symptoms effectively with proper education and lifestyle adjustments. It is essential to maintain a proactive approach to health management, ensuring that your son understands his condition and the importance of avoiding triggers. If you have any concerns about his health or symptoms, consulting with a healthcare professional who specializes in genetic disorders or hematology would be beneficial.

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