A woman in active labour receives an analgesic,an opioid agonist.Which medication relieves severe,persistent,or recurrent pain;creates a sense of well-being;overcomes inhibitory factors;and may even relax the cervix but should be used cautiously in women with cardiac disease?

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Meperidine hydrochloride (Demerol)used to be the most commonly used opioid agonist analgesic for women in labour,but it is no longer the preferred choice because other medications have fewer adverse effects.Sufentanil citrate (Sufenta)is becoming the most commonly used opioid agonist analgesic for women in labour.Phenergan is an ataractic (tranquilizer)that may be used to augment the desirable effects of the opioid analgesics but has few of the undesirable effects of those drugs.Nubain is an opioid agonist-antagonist analgesic.

A Woman in Active Labour Receives an Analgesic,an Opioid Agonist