Taking more formoterol than the patient should can have the following effects: feeling sick, being sick, heart racing, palpitations, disturbances of heart rhythm, certain changes in the electrocardiogram (heart trace), headache, trembling, feeling sleepy, too much acid in the blood, low blood potassium levels, high levels of glucose in the blood. The doctor may wish to carry out some blood tests to check the blood potassium and blood glucose levels.
Taking too much beclometasone dipropionate can lead to short-term problems with the adrenal glands. This will get better within a few days. However, the doctor may need to check the serum cortisol levels.
Tell the doctor in case of any of these symptoms.