Low blood sugar (hypoglycemia or a hypo) occurs when blood sugar (glucose) levels fall below 4 mmol/L.
This needs prompt treatment to prevent worsening but can usually be managed independently.
 
                                    Low blood sugar (hypoglycemia or a hypo) occurs when blood sugar (glucose) levels fall below 4 mmol/L.
This needs prompt treatment to prevent worsening but can usually be managed independently.