Drug Interaction:
Antiemetics/ Antivertigo agents- include
Phenothiazines-
Chlorpromazine Nausea /Vomiting
Triflupromazine Nausea /Vomiting
Perphenazine Nausea /Vomiting
Promethazine Nausea /Vomiting Motion Sickness
Prochlorperazine Nausea /Vomiting
Others- Metoclopramide Nausea /Vomiting
Anticholinergics- Antihistamines-
Cyclizine Nausea /Vomiting Motion Sickness
Meclizine Nausea /Vomiting Motion Sickness Vertigo
Buclizine Motion Sickness
Diphenhydramine Nausea /Vomiting Motion Sickness Vertigo
Dimenhydrinate Nausea /Vomiting Motion Sickness Vertigo
Others-
Trimethobenzamide Nausea /Vomiting
Scopolamine Motion sickness
Miscellaneous-
Diphenidol Nausea /Vomiting Vertigo
Benzquinamide Nausea /Vomiting
Phosphated carbh hydrated solution Nausea /Vomiting
Hydroxyine Nausea /Vomiting
Corticosteroids Nausea /Vomiting
Cannabinoids Nausea /Vomiting
Refer Chlorpromazine
Pressor agents- Give benzaquinamide in fractions of the normal dose. Monitor blood pressure, particularly in hypertensive patients.
Indication:
-
Prevention and treatment of nausea and vomiting associated with anesthesia and surgery.
-
Antiemetics/ Antivertigo agents- include
-
Phenothiazines- Chlorpromazine Nausea /Vomiting Triflupromazine Nausea /Vomiting Perphenazine Nausea /Vomiting Promethazine Nausea /Vomiting Motion Sickness Prochlorperazine Nausea /Vomiting
-
Others-
-
Metoclopramide Nausea /Vomiting Anticholinergics- Antihistamines- Cyclizine Nausea /Vomiting Motion Sickness Meclizine Nausea /Vomiting Motion Sickness Vertigo Buclizine Motion Sickness Diphenhydramine Nausea /Vomiting Motion Sickness Vertigo Dimenhydrinate Nausea /Vomiting Motion Sickness Verigo Others- Trimethobenzamide Nausea /Vomiting Scopolamine Motion sickness
Miscellaneous-
-
Diphenidol Nausea /Vomiting Vertigo Benzquinamide Nausea /Vomiting Phosphated carbh hydrated solution- Nausea /Vomiting
-
Hydroxyine Nausea /Vomiting Corticosteroids Nausea /Vomiting Cannabinoids Nausea /Vomiting
Adverse Reaction:
Drowsiness is most common. Insomnia, fatigue, restlessness, dizziness, headache, excitement, nervousness.
Hypertension, hypotension, atrial fibrillation, premature atrial and ventricular contractions.
Dry mouth, shivering, sweating, increased temperature, hiccoughs, flushing, salivation, blurred vision, chills.
Anorexia,nausea. Twitching, shaking/tremors, weakness. Hives/rash, allergic reaction (pyrexia and urticaria )
Contra-Indications:
Hypersensitivity to benzaquinamide
Special precautions:
Cardiovascular effects- sudden increase in blood pressure and transcient arrhythmias have occured.
Special risk patients- benzaquinamide may mask signs of drug overdosage or obscure such conditions as intestinal obstruction and brain tumor. Pregnancy, Children.
Dosages/ Overdosage Etc:
Indications:
Prevention and treatment of nausea and vomiting associated with anesthesia and surgery.
Dosage:
IM- 50mg (0.5 to 1mg/kg ). Repeat first dose in 1 hour, then every 3 to 4 hours, as necessary. To prevent nausea and vomiting give I IM at least 15 minutes prior to emergence from aneasthesia IV - 25mg (0.2 to 0.4mg/kg) as a single dose slowly (1ml/0.5 to 1 minute). Give subsequent doses IM.
Patient Information:
Refer Chlorpromazine
Medication may cause dry mouth.
Pharmacology/ Pharmacokinetics:
Pharmacology:
Benzquinamide hcl has antiemetic, antihistaminic, mild anticholinergic and sedative action in animals. The mechanism of action in human is unknown.
Pharmacokinetics:
The onset of antiemetic activity usually occurs within 15 minutes. Benzaquinamide is about 58% plasma protein bound. Most of the drug undergoes metabolism in the liver, 5 to 10% of the drug is excreted unchanged in the urine. Elimination half-life is about 40 minutes.
Pregnancy and lactation:
Pregnancy:
Safety for use is not established. Use is not recommended.
Children:
Safety and efficacy for use in children have not been established