Nausea, vomiting, diarrhea, exacerbation of inflammatory diseases of the gastrointestinal tract, electrolyte imbalance (fatigue, asthenia, confused consciousness, arrhythmia, convulsions), flatulence, thirst, signs of hypermagnesia in the presence of kidney failure (dizziness).
early signs and symptoms of hypermagnesemia: bradycardia, diplopia, sudden "tide" of blood to the skin of the face, headache, lowering of blood pressure, nausea, shortness of breath, blurred speech, vomiting, weakness.
Symptoms of hypermagnia (in order of increasing concentrations Mg2+ in the serum): a decrease in deep tendon reflexes (2-3.5 mmol / l), an interval P-Q and expansion of the complex QRS on the ECG (2.5-5 mmol / L), loss of deep tendon reflexes (4-5 mmol / L), respiratory center depression (5-6.5 mmol / L), cardiac conduction (7.5 mmol / L), cardiac arrest (12.5 mmol / l). In addition, hyperhidrosis, anxiety, deep sedation, polyuria, atony of the uterus.