Should be taken as per the dosage prescribed by your doctor.
Missed Dose
In case, you missed a dose; they should take it as soon as possible. However, if it is close to the time of your next dose, then don’t take an extra dose to make up for your missed dose. You should continue with your dosing schedule. It does not matter, whether you choose it after having food or before. But it should be taken at regular intervals and the entire dosage should be completed.
OverDose
Don’t take extra doses to reduce your symptoms faster. This will never help. Taking extra dose will not mitigate symptoms more quickly. They may in turn cause side effects. Severe side effects of overdosage could be life-threatening. Furthermore, do not share your medicine with someone, even if you know that they have the same symptoms. This should be taken only on the prescription and advice of your doctor.