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Metabolic alkalosis - symptoms, treatment
Metabolic Processes
Metabolic
Alicja Kowalska
Author
2026-03-21
Date
2 min. read
article.read_time
3
Chapters
For the correct functioning of enzymatic processes, the pH of blood and systemic fluids should be maintained within the range of 7.35–7.45. The primary role in maintaining these parameters is played by the buffer systems of the blood and tissues, lungs, and kidneys. Depending on the initial causes of pH disturbances, metabolic and respiratory alkalosis can be distinguished.
Metabolic acid-base homeostasis regulator
The metabolic acid-base homeostasis regulator refers to a condition where the blood pH exceeds 7.45 due to elevated bicarbonate levels or hydrogen ion loss (excessive base intake with inadequate excretion). This is typically a result of disease progression or medication use, such as diuretics. Vomiting, diarrhea, gastric content aspiration, or chronic infections can also lead to this state.
Primary indicators of metabolic alkalosis
Primary indicators of metabolic alkalosis may vary significantly depending on the underlying cause: hypotension, acute kidney injury, hypokalemia, pallor, facial and limb sensory disturbances, vertigo, memory and attention deficits, agitation, tachycardia. Diagnosing metabolic alkalosis can be particularly challenging if it arises from prolonged medication use without medical supervision, especially concerning laxatives that reduce potassium levels and result in secondary constipation.
Management of metabolic alkalosis
The diagnosis of metabolic alkalosis involves assessing blood pH levels and the concentration of bicarbonate, sodium, potassium, and chloride ions. Treatment focuses on addressing the underlying cause, such as discontinuing medications that induce alkalosis, and correcting water and electrolyte imbalances. Maintaining acid-base homeostasis requires a diet rich in alkalizing elements like potassium, sodium, calcium, and magnesium. A healthy lifestyle, proper nutrition, and adequate hydration are essential for prevention. Nutrient-dense foods such as carrots, bananas, milk, beans, spinach, and bran provide valuable nutrients. It is important to recognize that a mixed diet combining meat and vegetables has a weaker alkalizing effect than a strictly alkaline diet. Therefore, a balanced diet can help mitigate disease risk.
