What symptoms are most likely to occur in a person with low magnesium levels?

Low magnesium levels can lead to a range of neurological and muscular symptoms due to magnesium's critical role in nerve transmission and muscle function. Tremors and seizures are particularly significant symptoms associated with magnesium deficiency. This occurs because magnesium acts as a natural calcium blocker; without sufficient magnesium, neurons can become overexcited, leading to increased muscular excitability and potential seizure activity.

In addition to seizures, tremors may manifest due to heightened neuromuscular irritability. Essentially, low magnesium disrupts the balance of excitatory and inhibitory signals in the brain and muscles, resulting in these involuntary movements and potentially severe consequences like seizures.

Other symptoms such as nausea, vomiting, fatigue, and muscle stiffness do occur with low magnesium levels, but tremors and seizures are directly linked to the critical neurological roles that magnesium plays in stabilizing neuronal activity and preventing excessive excitation. Thus, when considering the most likely symptoms associated with low magnesium levels, tremors and seizures stand out as particularly indicative of this deficiency.