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单词 dronabinol
释义

dronabinol


Thesaurus
Noun1.dronabinol - psychoactive substance present in marijuana; used therapeutically to control nausea associated with cancer therapyconsciousness-altering drug, mind-altering drug, psychoactive drug, psychoactive substance - a drug that can produce mood changes and distorted perceptions
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dronabinol


dronabinol

 [dro-nab´in-ol] one of the major active substances in cannabis, used to treat nausea and vomiting in antineoplastic therapy and to treat anorexia associated with weight loss in acquired immunodeficiency syndrome; it is subject to abuse because of its psychotomimetic activity.

dronabinol

Marinol

Pharmacologic class: Cannabinoid

Therapeutic class: Antiemetic

Controlled substance III

Pregnancy risk category B

Action

Unknown. May exert antiemetic effect by inhibiting vomiting control mechanism in medulla oblongata.

Availability

Capsules: 2.5 mg, 5 mg, 10 mg

Indications and dosages

Prevention of nausea and vomiting caused by chemotherapy

Adults and children: Initially, 5 mg/m2 P.O. 1 to 3 hours before chemotherapy. Repeat dose q 2 to 4 hours after chemotherapy, up to four to six doses per day. If 5-mg/m2 dose is ineffective and patient has no significant adverse reactions, dosage may be increased in increments of 2.5 mg/m2 to a maximum dosage of 15 mg/m2.

Appetite stimulant

Adults and children: Initially, 2.5 mg P.O. b.i.d. May reduce dosage to 2.5 mg/day given as a single evening or bedtime dose. Maximum dosage is 10 mg P.O. b.i.d.

Contraindications

• Hypersensitivity to cannabinoids or sesame oil

• Breastfeeding

Precautions

Use cautiously in:

• hypertension, heart disease, bipolar disorder, schizophrenia, drug abuse, seizures

• pregnant patients.

Administration

• When used to stimulate appetite, give before lunch and dinner.

Adverse reactions

CNS: drowsiness, anxiety, impaired coordination, irritability, depression, headache, hallucinations, memory loss, paresthesia, ataxia, paranoia, disorientation, nightmares, speech difficulties, syncope, suicidal ideation

CV: tachycardia, hypotension, hypertension

EENT: visual disturbances, tinnitus

GI: dry mouth

Skin: facial flushing, diaphoresis

Interactions

Drug-drug. Anticholinergics, antihistamines, tricyclic antidepressants: increased tachycardia and hypertension

CNS depressants: increased CNS depression

Ritonavir: increased dronabinol blood level and risk of toxicity

Drug-behaviors. Alcohol use: increased CNS depression

Patient monitoring

• Monitor vital signs for hypotension and tachycardia.

See Check for adverse CNS reactions. Report significant depression, paranoid reaction, or emotional lability.

• Monitor nutritional status and hydration.

Patient teaching

• Teach patient about drug's significant adverse CNS and cardiovascular effects. Emphasize that he should take it only as prescribed and needed.

See Advise patient (and significant other) to immediately report depression, suicidal thoughts, paranoid reactions, seizures, and other serious CNS reactions.

• Caution patient to avoid driving and other hazardous activities until he knows how drug affects concentration and alertness.

• As appropriate, review all other significant and life-threatening adverse reactions and interactions, especially those related to the drugs and behaviors mentioned above.

dro·nab·i·nol

(drō-nab'i-nol), A major psychoactive substance present in Cannabis sativa, used therapeutically as an antinauseant to control the nausea and vomiting associated with cancer chemotherapy.
See also: tetrahydrocannabinols.

dronabinol

(drō-năb′ə-nôl)n. A synthetic form of THC, the principal psychoactive substance in Cannabis sativa, used therapeutically to control nausea and vomiting associated with cancer chemotherapy and to treat anorexia and weight loss in patients with AIDS.

dronabinol

Marinol® A synthetic Δ9THC-tetrahydrocannabinol, an active ingredient of marijuana, which may be used to manage glaucoma, pain, N&V, anorexia, wasting linked to chemotherapy, AIDS Adverse effect Drowsiness, confusion, poor coordination. See Marijuana, THC.

dro·nab·i·nol

(drō-nab'i-nol) A major psychoactive substance present in Cannabis sativa; used therapeutically as an antinauseant to control the queasiness and vomiting associated with cancer chemotherapy.
See also: tetrahydrocannabinols

dronabinol


Related to dronabinol: Marinol
  • noun

Words related to dronabinol

noun psychoactive substance present in marijuana

Related Words

  • consciousness-altering drug
  • mind-altering drug
  • psychoactive drug
  • psychoactive substance
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