Taking drugs that aren't prescribed by the medical experts can always lead to allergies and can even lead to death in some extreme cases. In last decade, the number of deaths caused due to prescription drug overdose has surpassed the deaths that occurred due to accidents and suicides.
Taking higher quantity of cough syrup than the recommended level can have negative impact on the brain due to DXM ingredient present in the syrup. Few major parts of the brain that get affected due to overdose of prescription drugs include movement, sensations, judgement, memory, coordination and vision.
