Can Camphor Odor Trigger Dry Heaving in Favism Patients?

Individuals with favism may experience dry heaving upon smelling camphor?

I would like to ask if experiencing strong gagging when smelling camphor is a phenomenon related to favism? However, I have no issues when eating fava beans, but my cousin has favism.
Do I have a mild form of favism?

Z, 10~19 year old female. Ask Date: 2016/04/26

Dr. Liao Yaopan reply Family Medicine

Hello, Glucose-6-Phosphate Dehydrogenase deficiency, also known as G6PD deficiency, commonly referred to as Favism, is a common congenital hereditary disorder.
However, the symptom of feeling nauseous at the smell of camphor is not indicative of this condition.
To confirm whether it is Favism, a blood test can be conducted for diagnosis.
Changhua Hospital cares about you.

Reply Date: 2016/04/26

More Info

Camphor, a compound derived from the wood of the camphor tree, is known for its strong odor and is commonly used in medicinal products, ointments, and as a flavoring agent. In patients with favism, which is a genetic condition caused by a deficiency of the enzyme glucose-6-phosphate dehydrogenase (G6PD), exposure to certain substances can trigger hemolytic anemia. Favism is particularly associated with the consumption of fava beans (broad beans), but it can also involve sensitivity to other triggers, including certain medications, infections, and environmental factors.

Regarding your question about whether the odor of camphor can trigger dry heaving in favism patients, it is important to note that while favism primarily relates to the consumption of fava beans, individuals with G6PD deficiency may have varying sensitivities to other substances. The strong smell of camphor could potentially induce a physiological response, such as nausea or dry heaving, particularly in individuals who are sensitive to strong odors or have a predisposition to gastrointestinal reactions. However, this reaction is not a classic symptom of favism itself.

Your observation that you can consume fava beans without issue suggests that you may not have a significant G6PD deficiency, or your condition may be mild. It is also possible that your response to the camphor odor is unrelated to favism and may be due to other factors, such as a sensitivity to strong smells or a psychological response to the odor.

If your cousin has favism and experiences symptoms upon exposure to certain substances, it is crucial for him to avoid those triggers, including fava beans and possibly camphor, to prevent any adverse reactions. For individuals with G6PD deficiency, it is essential to maintain awareness of potential triggers and to consult with a healthcare provider for personalized advice.

In summary, while the odor of camphor may induce dry heaving in some individuals, it is not a direct symptom of favism. If you continue to experience this reaction or have concerns about your health, it would be advisable to consult with a healthcare professional who can provide further evaluation and guidance based on your specific situation.

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