Obviously no parent wants to realize that their child is doing drugs but it is god to be aware of the signs that you can be looking for if you suspect that your child is doing drugs and the moment you have known all the signs you can easily tell if your child is on drugs which is a good thing because you will help them early enough to do away with the bad substances.
The large percentage of drugs can be identified by the state of the eyes like when someone takes cocaine or marijuana their eye pupil tend to enlarge and becomes bigger than it usually be and if a person uses heroin his/her eye pupils will shrink so parents can just look into their kid’s eyes and thy will know. Smell is another way of telling that your child is doing drug so if you suspect that your child is on drugs you ca just smell their clothes or even go to their cars because drugs like marijuana and alcohol usually have this awful smell that does not go away very easily so you can be able to tell which kind of drug is your child using.
If you suspect that your child has been doing drugs behind your back you can look at their clumsiness in that if they are using a lot of drugs it can lead to some kind of injuries that when you notice will be a prove that he/she is on drugs so when you notice your child has bloody nose or track marks on their arms you will know the answer. If it happens that your child falls sick all the time and he has symptoms like vomiting, headaches, unexplained seizures, runny nose and even sweating then he/she is n drugs because most of the drug users fall sick frequently.
If you happen to notice that your child is no longer interested in the things that he used to love and he is lazy this means that he is on drugs and the drugs are making him decline self-care you can also prove if you see him not bating frequent and brushing his teeth or washing clothes.
Drugs can be very influential in that it may make your child start to have this bad behaviour that he never did before and he can start arguing with you over small issues or even answer you bad in front of your friends because the drugs makes him feel that he is old enough to do anything making him be rude ensure you get help.