What is the real significance of
the a drug? Is it harmful or helpful? There are many ways in which drug can
affect us. We ,people have different ways to enjoy life and to deal with our
emotional, physical and different problems. But too much is not always good. Sometimes
we just cant control ourselves. We do things that we must not do..
Nowadays, drug addicts or people under the
influence of drugs are increasing in number. So it is important for us to know
the proper dosage and use of it and other chemicals or substances that enters
our body.
Toxicology is the study of
substances introduces in our body, its biological effects ,influence in our
body mechanisms and its essentials.. toxins that are not absorbed from the GIT don’t have systemic but
local effects like bleeding, diarrhea and malabsorption of nutrients. Toxicology
have divisions.
Therapeutic drug monitoring
TDM
is the dosage of the drug that is beneficial to the patient. It is individualized.
It depends upon the weight and level or severity of illness. In this case it is
important to know and understand pharmacokinetics, the effects of drugs in our
body.
The object of all drug therapy is
to have a constant serum level of drug that will be therapeutic. Half life of a
drug is very important so that you would know the time interval between doses
so that this level will be achieved.
Drug of abuse
Most of this drugs contains benzene
rings barbiturates and acid drugs. For the users these are their partners in
everything, these are their pleasuresand without these drugs life for them is
nothing. Actually these drugs are used
to treat other diseases but because of their other effects especially when they
are abused they became harmful.