Is G6PD deficiency a serious condition?

G6PD (glucose-6-phosphate dehydrogenase) deficiency is a genetic disorder that primarily affects red blood cells, which are responsible for transporting oxygen from the lungs to the body's tissues. By itself, someone with this deficiency may not show any symptoms in their daily life, but the condition becomes serious if red blood cells are exposed to specific chemicals found in certain foods or medications, or when contracting certain viral or bacterial infections, or as a result of exposure to specific physical stressors [1].

When does G6PD deficiency become a medical condition requiring attention?

The danger of this disorder lies in its ability to cause "hemolytic anemia." This occurs when red blood cells are destroyed at a rate much faster than the body can produce to replace them. This sudden breakdown reduces the blood's efficiency in transporting oxygen, putting the body in a state that requires medical care [1].

Symptoms indicating that this condition is occurring include:

• Unusual skin pallor.
• Jaundice (noticeable yellowing of the skin or whites of the eyes).
• Dark-colored urine.
• Feeling of severe fatigue or shortness of breath.
• Unexplained rapid heartbeat.
• Enlarged spleen in some cases.

If any of these symptoms appear suddenly, you must immediately seek medical care, as urgent therapeutic intervention may be required to control the blood breakdown [1].

Diagnosis and management

Contrary to popular belief, G6PD deficiency is not diagnosed through a routine complete blood count (CBC) test, as the latter is used to assess general blood cell health, such as hemoglobin or red blood cell count, not to detect a specific enzyme deficiency [2]. Accurate diagnosis of this disorder is made through a specific G6PD enzyme test that confirms the deficiency [1].

For more information on the details of this disorder, you can read our specialized article: G6PD deficiency: Understanding the genetic disorder and avoiding triggers (Arabic).

Prevention and daily life management

There is no definitive cure for this genetic disorder, but it can be controlled with complete effectiveness through a preventative lifestyle. It depends on avoiding factors that trigger blood breakdown. The patient must always consult a doctor or pharmacist before taking any new medication, as some drugs cause dangerous reactions for those with this deficiency [1]. In cases of severe anemia, the medical team may resort to treatments that include managing the underlying infection or performing blood transfusions to replace lost cells [1]. Commitment to periodic medical follow-up ensures that the affected individual leads a normal life and avoids unnecessary complications.

Medical references

• G6PD Deficiency
• Blood Count Tests