Because of the nature of this medication, you should contact your pharmacist or doctor.
Technically, you can overdose on any medicine. What medicine are you wondering about? There are doses of some medicines which should never be exceeded.
Depends on the medicine.
Drenches
drenches
Clarks rule is a formula used to calculate the doses of Medicine for children. It will be used by Doctors, Nurses and Pharmacists in Hospitals and clinics
Cycloserine works best when it is at constant levels in the blood. To help keep levels constant, take the medicine in doses spaced evenly through the day and night. Do not miss any doses.
It really depends on which medicine and what the drug concentration of the medicine is. The best person to ask this question is your local pharmacist as they know the safe doses of a medicine for a child based on age and weight.
Homoeopathy
It refers to double shot or double doses
Since you didn't say what "this medicine" was, we can't tell.
When you forget to take homeopathy medicine, you have not ingested anything. So no issue
Caution should be used by diabetics as high doses of marsh mallow may lower blood sugar. Children and infants may take the herb in low doses.