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Drug abuse during pregnancy: Heroin

 

Heroin is one of the most abused drugs in the world. It is an opiate narcotic synthesized from Morphine, one of the most powerful pain-killers which is itself derived from the opium poppy. Heroin was first synthesized in Germany in the late 19th century and was aptly named 'heroisch' (powerful). Heroin acts on the central nervous system and is highly addictive. Dependency develops rather quickly.

The spectrum of adverse effects to the fetus from heroin use in pregnancy range from premature delivery, through growth restriction to stillbirth. Nor does the problem stop at delivery, as such babies suffer serious withdrawal symptoms, needing treatment which may last several days, even weeks.

More than half of heroin addict babies are born prematurely. Tragically, a substantial proportion of these fail to make it altogether.

 

 

Alternative to heroin in pregnancy

If you are already addicted to heroin and you find yourself pregnant, the advice is to switch to methadone, which is a related drug.

 

Methadone is administered at scheduled intervals (as opposed to haphazard heroin use). This helps to keep blood levels of the drug relatively stable. This helps minimize withdrawal, which is the scourge of heroin addiction for both mother and baby.

 

 

To stop or not to stop methadone when pregnant

It is preferable not to stop Methadone if already on this when you fall pregnant. If you stop, you are likely to unleash withdrawal in the fetus, which could be disastrous.

 

The advice is to continue taking methadone as per schedule and, with expert help, careful attempts to reduce the amounts taken could be started, if this is desired.

 

Attempts to quit altogether, though noble, should ideally be made after delivery.

 

Withdrawal problems for a baby whose mother was on Methadone

It is inevitable that a baby born to the mother who has maintained on Methadone will suffer some degree of withdrawal.

 

The degree of withdrawal symptoms will depend on the dose of methadone she was maintained on i.e. the higher the dose, the more severe the withdrawal symptoms.

 

 

 

Continues next page

 

 

Heroin is usually injected but some users smoke or sniff it. The effect on the brain is the same though the degree might vary. The origin is the opium poppy (below) grown illicitly in many parts of the world

By Dr Joe Kabyemela, MD