Nubain (Nalbuphine hydrochloride) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 9, 2012

Nubain

Types of Pain Medications »

For what conditions are pain medications used?

Virtually any disease as well as most injuries and surgical procedures involve some degree of pain. It's not surprising, then, that pain medications, also known as analgesics, are among the most commonly used drugs in the U.S. Pain can range from minor, acute complaints, such as a muscle sprain, to chronic, severe pain, such as that sometimes experienced by cancer patients. Some drugs used for other conditions also are effective at relieving certain types of pain. These drugs include certain drugs used for depression, epilepsy, and anxiety.

What are the differences among the types of pain medications?

Pain medications can be broadly classified into two categories: prescription and nonprescription. In the latter category are several mild anti-inflammatory drugs (ibuprofen, naproxen), as well as acetaminophen. These are mainly meant for use with short-term, acute pain -- menstrual cramps,...

Read the Types of Pain Medications article »

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Nubain

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NUBAIN®
(nalbuphine hydrochloride)

DRUG DESCRIPTION

NUBAIN (nalbuphine hydrochloride) is a synthetic opioid agonist-antagonist analgesic of the phenanthrene series. It is chemically related to both the widely used opioid antagonist, naloxone, and the potent opioid analgesic, oxymorphone. Chemically nalbuphine hydrochloride is 17-(cyclobutylmethyl)-4,5α-epoxymorphinan-3,6α,14-triol hydrochloride. Nalbuphine hydrochloride molecular weight is 393.91 and is soluble in H₂O (35.5 mg/mL @ 25ºC) and ethanol (0.8%); insoluble in CHCl₃ and ether. Nalbuphine hydrochloride has pKa values of 8.71 and 9.96. The molecular formula is C₂₁H₂₇NO₄·HCl. The structural formula is:

NUBAIN (nalbuphine hydrochloride) structural formula illustration

NUBAIN (nalbuphine hydrochloride) is a sterile solution suitable for subcutaneous, intramuscular, or intravenous injection. NUBAIN (nalbuphine hydrochloride) is available in two concentrations, 10 mg and 20 mg of nalbuphine hydrochloride per mL. Both strengths in 10 mL vials contain 0.94% sodium citrate hydrous, 1.26% citric acid anhydrous, and 0.2% of a 9:1 mixture of methylparaben and propylparaben as preservatives; pH is adjusted, if necessary, to 3.5 to 3.7 with hydrochloric acid. The 10 mg/mL strength contains 0.2% sodium chloride.

NUBAIN (nalbuphine hydrochloride) is also available in ampuls in a sterile, paraben-free formulation in two concentrations, 10 mg and 20 mg of nalbuphine hydrochloride per mL. One mL of each strength contains 0.94% sodium citrate hydrous, and 1.26% citric acid anhydrous; pH is adjusted, if necessary, to 3.5 to 3.7 with hydrochloric acid. The 10 mg/mL strength contains 0.2% sodium chloride.

What are the possible side effects of nalbuphine (Nubain)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Tell your caregivers at once if you have any of these serious side effects: