Stadol (Butorphanol Tartrate) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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February 8, 2012

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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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STADOL ®
(butorphanol tartrate) Injection, USP

STADOL NS ®
(butorphanol tartrate) Nasal Spray

DRUG DESCRIPTION

Butorphanol tartrate is a synthetically derived opioid agonist-antagonist analgesic of the phenanthrene series. The chemical name is (-)-17-(cyclobutylmethyl) morphinan-3, 14-diol [S- (R*,R*)] - 2,3 - dihydroxybutanedioate (1:1) (salt). The molecular formula is C₂₁H₂₉NO₂,C₄H₆O₆ , which corresponds to a molecular weight of 477.55 and the following structural formula:

Butorphanol tartrate is a white crystalline substance. The dose is expressed as the tartrate salt. One milligram of the salt is equivalent to 0.68 mg of the free base. The n-octanol/aqueous buffer partition coefficient of butorphanol is 180:1 at pH 7.5.

STADOL (butorphanol tartrate) Injection, USP, is a sterile, parenteral, aqueous solution of butorphanol tartrate for intravenous or intramuscular administration. In addition to 1 or 2 mg of butorphanol tartrate, each mL of solution contains 3.3 mg of citric acid, 6.4 mg sodium citrate, and 6.4 mg sodium chloride, and 0.1 mg benzethonium chloride (in multiple dose vial only) as a preservative.

STADOL NS (butorphanol tartrate) Nasal Spray is an aqueous solution of butorphanol tartrate for administration as a metered spray to the nasal mucosa. Each bottle of STADOL NS contains 2.5 mL of a 10 mg/mL solution of butorphanol tartrate with sodium chloride, citric acid, and benzethonium chloride in purified water with sodium hydroxide and/or hydrochloric acid added to adjust the pH to 5.0. The pump reservoir must be fully primed (see PATIENT INSTRUCTIONS) prior to initial use. After initial priming each metered spray delivers an average of 1.0 mg of butorphanol tartrate and the 2.5-mL bottle will deliver an average of 14-15 doses of STADOL (butorphanol tartrate) NS. If not used for 48 hours or longer, the unit must be reprimed (see PATIENT INSTRUCTIONS). With intermittent use requiring repriming before each dose, the 2.5-mL bottle will deliver an average of 8-10 doses of STADOL (butorphanol tartrate) NS depending on how much repriming is necessary.

What are the possible side effects of butorphanol nasal (Stadol NS)?

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:

pounding, or uneven heartbeats;
increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure);
shallow breathing, slow heartbeat;
cold, clammy skin;
problems with urination;

Read All Potential Side Effects and See Pictures of Stadol »