Did you know that common medications such as Myprodol, Mybulen, Benylin C and Sinutab could harm you, your unborn baby and your child?
These medications have one thing in common – they all include a drug called Codeine; an opioid drug which is often compared to morphine and is used to treat mild to moderate pain. The drug itself does not treat the pain however, once the drug is metabolised by the body, it turns into morphine and it is this reaction that helps to treat the pain.
In recognition of Pregnancy Awareness week from 12-16 February, DNAlysis Biotechnology hoped to warn parents and expectant mothers about the effects Codeine could have on them and their children.
Dr Danny Meyersfeld, founder and CEO of DNAlysis Biotechnology said, “It is important to understand how your body metabolises codeine in order to avoid experiencing overdose symptoms.” According to the Food and Drug Administration in the United States, side effects of codeine medication include trouble breathing, extreme drowsiness or lightheadedness. America, has, in fact, placed a blanket ban on the use of codeine in children in order to avoid any risk. Dr Meyersfeld said that while the US recognises the risks of Codeine, many South Africans were still ingesting the drug without fully realising the effects it could have.
“Not everybody is at risk of experiencing overdose symptoms. Only those who carry a specific genetic variant that makes them ultra-rapid metabolisers are at risk,” Dr Meyersfeld said.
He further explained what the ultra-rapid metaboliser gene variant is and how it works. “There is an enzyme in the liver which changes codeine into morphine once ingested. This enzyme is called Cytochrome Isoenzyme or otherwise recognised as CYP2D6. Individuals with a particular genetic variation on CYP2D6 are ultra-rapid metabolisers. This means that even with the correct amount of codeine, you may experience the symptoms associated with a morphine overdose.”
Dr Meyersfeld said the problem arises when pregnant or breastfeeding women have this enzyme. According to research conducted by the New Zealand Medicines and Medical Devices Safety Authority, opioid-based medications (Codeine) are absorbed into the breast milk and can, therefore, affect the baby. Since the adult dosage of codeine is much higher than the dosage a child should have, the child may become physically dependent on the drug and this could lead to them experiencing withdrawal symptoms or becoming dependant on the drug itself. Dr Meyersfeld said while there was a risk in some cases, patients were now empowered to ascertain whether their genetic make-up placed into a high or low-risk category.
DNAlysis Biotechnology provides medical practitioners and patients with the tools to improve and maintain health and wellness. One of the tests that is available to the public is mygeneRx, which will tell patients if they are at risk when absorbing medications such as Codeine. “These results can then be used to help guide physicians when prescribing codeine-based medications to you or your child in the future,” Meyersfeld said. “The benefits of using DNA testing for such purposes are huge. The primary benefit is to ensure that as a patient, you are taking the most suitable medication for any given condition at any given time.”
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