Chlorpromazine ááááŻááááŻááááşá¸ ááᯠá áááşáááŻááşá¸áááŻááşááŹááąáŹááŤáá˝áąáĄáá˝ááşááŻáśá¸ááŤáááşá Chlorpromazine áᏠáááŻááźáŽá¸ ááźááşáááşá á˝áŹáá˝áąá¸ááąáŤáşáááŻááşá áąáááşá á áááşáážáŻááşáážáŹá¸ááźááşá¸áááŻááťáąáŹáˇááťá áąáááşá ááąáˇá ááşáážáŻááşáážáŹá¸áážáŻáá˝áąáážáŹ áĄáá°áĄááŽááźá áşáááŻááşááŤáááşá
á áááşáááŻá á áááşáááşááźááşá¸ááᯠááťážáąáŹáˇááťááąá¸ááźáŽá¸ áááááááŻááşáá˛áˇáĄááźáŹá¸áá°áá˝áąáááŻááŹááťááşáĄáąáŹááş ááźáŻááŻááşáááŻá áááşáá˝áąáááŻááťážáąáŹáˇááąá¸áááŻááşááŤáááşá ááážááááˇáşáĄááŹáááŻááźááşááźááşá¸áá ááźáŹá¸ááźááşá¸áá˛áˇáááŻáˇ áááşááąáŹááşáááşáážáŹá¸ááźá áşááźááşá¸ááťáŹá¸áááŻáááşá¸ ááťážáąáŹáˇááťááąá¸ááŤáááşá
phenothiazine antipsychotics ááąá¸áĄáŻááşá áŻáá˛áážáŹááŤáááşá áŚá¸áážáąáŹááşáá˛áážáŹáážááá˛áˇ áááŹáááąáŹáşááŻááşá¸áá˝áąááᯠáážáááąá¸ááźááşá¸ááźááˇáş áĄááŻááşááŻááşááŤáááşá
ááťááŻáˇááźááşá¸á áĄááşááźááşá¸áááŻáááşá¸ ááááşá¸ááťáŻááşááąá¸áááŻááşááááŻá áá˝á˛á áááşáážáŻááááŻááşáááş á áááşáážáŻááşáážáŹá¸ááźááşá¸á áááŹáááźáááşááźá áşááźááşá¸ á ááťááŻáˇáááŻá¸ááźááşá¸áááŻáˇáááŻáááşá¸ áááşááŹá áąáááŻááşááŤáááşá
áááŹáááşá ááąá¸ááąá¸áá° áá˝ážááşá¸áááˇáşáĄáááŻááşá¸áááŻááşááŹááŤá áááááŻáááşááťáŹá¸áážáááŤá áážááşá¸áááşá¸áĄáąáŹááşááąá¸ááźááşá¸ááŤá
áĄá áŹáá˛áˇá áááŻáˇ áĄá áŹáááŤáᲠááąáŹááşáááŻááşáááşá áááŹáááşáá˝ážááşáááˇáşáĄáááŻááşá¸ááąáŹááşááŤá ááťáŹá¸ááąáŹáĄáŹá¸ááźááˇáş áá áşáááş á ááźáááşááž á ááźáááşááźá áşáááŻááşáááşá
áááŹáá áĄáááş á ááąáŹááŤáĄááźáąáĄááąá ááŻááážáŻáĄááąáŤáşááŻáśáˇááźááşááźááşá¸ áááŻáˇáĄááąáŤáşáá°áááşááŤáááşá áááąá¸áá˝áąáážáŹ áĄááąá¸ááťáááşááąáŤáşáá°áááşáááşá ááąá¸áá˝ááşáááŻá¸ááťááŻá¸áá˝áąáááŻááťážáąáŹáˇááťáááŻáˇ áááŹááááşá¸áááşá¸áážá ááźáḠáááźáąá¸ááźáąá¸áááşáá˝áŹá¸áááŻááşááŤáááşá áááŹáááşáá˝ážááşááźáŹá¸ááťááşááᯠááąááťáŹáááŻááşááŹááŤá
áĄááąáŹááşá¸ááŻáśá¸áĄáŹáááááşáá áąáááŻáˇáĄáá˝ááş ááŻáśáážááşááąáŹááşááŤá áááąáˇá áąáááş áĄááťáááşáážááşááąáŹááşáᏠáááŻááąáŹááşá¸ááŤááááˇáşáááşá
áááťááŻáˇááąáŹáĄáŹáááááşááᯠááťááşááźááşá¸áááááźáŻáááááŻááşááąáááˇáş áĄáŹáááááşáĄááźááˇáşááááŻáˇá áááşááášááááşáĄáááşá¸áááşááźáŹáááŻááşááŤáááş.á
áááŹáááşáá˛áˇááááŻááşáááşáá˛áááşááá áşááŤáá˛áˇá ááąá¸ááŻááşááááşáááşáááŻááşááťážááş áááťááŻáˇááąáŹáĄááźáąáĄááąáá˝áąá áááŻáááŻá¸ááŹáááŻááşáŤááááşá ááťááŻáˇááźááşá¸á áĄááşááźááşá¸á áá°á¸ááźááşá¸á ááŻááşáááşááźááşá¸á áááŻááşááĄáŽáááŹááźá áşááźááşá¸ áá˝áąáááŻááášáááŹáá˝áą ááśá áŹá¸ááááŻááşááŤáááşá
áááŻááášáááŹáá˝áąááᯠááťážáąáŹáˇááťááąá¸áááŻáˇ áááŹáááşá ááąá¸áááŹááááźáąá¸ááźáąá¸ááťážáąáŹáˇááťááąá¸ááŤááááˇáşáááşá ááášáááŹáá˝áąááááşááŹááŤáá áááŻáááŻá¸ááŹááŤá áááŹáááşáááŻááťááşááźááşá¸ááźáąáŹááŤá ááąááťáŹáááŻááşáááşááŤá
áááŻááşáááŻááşáĄáááşá¸ááąáŹááşá á ááŻá á˝ááşáážáŻáá˛áˇ ááááá˝áąáˇáᲠááŹáááşáĄáááşá¸áĄáá°ááťáááşáážáŹáᲠááááşá¸ááŹá¸ááŹáĄááąáŹááşá¸ááŻáśá¸ááźá áşááŤáááşá ááąáá˛ááąáášááŹá ááąááťááŻá¸áááşá¸áááŻáˇáážáŹ áááááşá¸ááŤáá˛áˇá ááąá¸áĄááťááŻá¸áĄáááşáĄááťááŻá¸ááťááŻá¸áážááááŻááşááźáŽá¸ ááááşá¸áááşá¸áááˇáşáá˛áˇááŻáśá áś áĄááťááŻá¸ááťááŻá¸áááşá¸ááźá áşáááŻááşááŤáááşá
ááŤááźáąáŹááˇáş ááąá¸áĄááťááŻá¸áĄáááşááąáŤáşáá°áááşááźáŽá¸ ááááşá¸áááşá¸áááŻáˇáĄáá˝ážááşá¸áááŻááąááťáŹáááşáááˇáşááŤáááşá ááąá¸ááŤá¸ááťá˝ááşá¸ááťááşáá°áá˝áąáááŻááąá¸áááŻáˇáááşá¸áááŤáááşá áááąá¸ááťáŹá¸á áĄáááşáá˝áąá¸ááááá ášááŹááşááťáŹá¸ááž ááąá¸ááŹáá˝ááşááŹá¸ááŤá
ááąá¸áá˝áąáááŻáĄáááşááŹáá˛áá˝ááşáá áşááźááşá¸ááťááŻá¸áááŻááşááŤáá˛áˇá áááşáá˝ááşáá˝áŹá¸ááťážááşáááşá¸ ááąááťáŹá á˝ááˇáşáá áşáááˇáşááŤáááşá áááşáááŻá á˝ááˇáşáá áşáááᲠááąá¸ááąáŹááşá¸áá°áááŻááąá¸áááŻááşááŤáááşá
áá°á¸áá˝ááşááźááşá¸áá˛áˇáááŻáˇ á áááşáááŻááşá¸áááŻááşááŹááźáżááŹáá˝áąáĄáá˝ááş ááŻáśá¸áááŻáˇááááŤáá°á¸á á áááşáááŻááşá¸áááŻááşááŹááťááŻáˇáá˛áˇááąááąáŹ áĄáááşááźáŽá¸áá°áá˝áąáážáŹ áážááŻáśá¸áááááŻááşááźááşá¸á áĄááŻááşááąáŹááşááźááşá¸áá˛áˇ ááŻááşááááşááąááŻáśá¸ááźááşá¸áá˝áą ááźá áşá áąáááŻááşááŤáááşá
áŚá¸áážáąáŹááşáááááŻááşáážáŻáážáááŹá¸ááťážááşá áááŻá¸áá˝ááşá¸ááźááşááŽááźáżááŹáážáááťážááşá áááŻáˇáááŻááş áĄáááşáĄáá˝ááşáĄááťá˝áśááąáŹááşááŹá¸ááťážááşá áĄáááşáááŻááşá áąááąáŹááąá¸ááťáŹá¸áážáŽáá˛ááąááťážááş áááŻáśá¸ááŤáá˛áˇá
chlorpromazine á fluphenazine (Permitil), perphenazine (Trilafon), prochlorperazine (Compazine, Compro), promethazine (Adgan, Pentazine, Phenergan), thioridazine (Mellaril), or trifluoperazine (Stelazine) áá˛áˇáááŻáˇ phenothiazines ááťáŹá¸áá˛áˇááŤááşááááˇáşááŤááááşá¸ áááŻáśá¸ááŤáá˛áˇá
ááááşáááŻáˇáĄáąáŹááşááŤáĄááźáąáĄááąááťáŹá¸áážáááŤááááşá¸ áááŹáááşáááŻááźáąáŹááźááŤ-
áĄáá°ááťáááşáá˝ááşáá˛áážáŻá áááŻáˇ áááŻá°á¸áááşááąá¸ááťáŹá¸áážááˇáş áĄáááĄáá˝áąáˇáážáááŤá áááŹáááşáááŻááźáąáŹááŤá
ááťáŹá¸ááąááąáŹá ááŻááşáá˝áąá¸ááášáááŹááťáŹá¸áážáááąáŹ áááąá¸ááťáŹá¸ááᯠááąá¸áááąá¸áááş áááŹáááşáážááˇáşáĄáááşáááŻááşáááşááŤá
áĄáááşááźáŽá¸áá°ááťáŹá¸á ááąá¸áá˝ááşáááŻá¸ááťááŻá¸áááŻááááşááŤáááşá
áááŻááşáááşááąáŹááşáá˛áˇ áááŻáˇáááŻááşáááááşáá˝áąáá˛áˇ áááşáááşááźáŽá¸ ááąááťáŹááąáˇááŹááŹá¸ááŹááťááŻá¸ááąáŹáˇááážáááąá¸ááŤáá°á¸á ááŤááźáąáŹááˇáş ááááŻááşáá˛áˇááąáŹááşá¸ááťááŻá¸áá˛áˇáááŻá¸ááťááŻá¸áá˝áąááᯠááťáááşáááźááˇáşáááŻááşáááŻáˇáĄáá˝ááş áááŹáááşáá˛áˇááąááťáŹáĄáááşáááŻááşáááşááŤá
ááááşáááŻáˇ ááąá¸ááááˇáşáážáŻááášáááŹááťáŹá¸- áĄááşááźááşááťáŹá¸ááąáŤáşááŹááźááşá¸á áĄáááşáážá°ááááşááźááşá¸á ááťááşáážáŹ áážáŻááşáááşá¸ ááťážáŹá áááşááťáąáŹááşá¸ááťáŹá¸ ááąáŹááşáááşá¸ááŹááźááşá¸- áááŻáˇááźá áşááŤá ááťááşááźááşá¸ááąá¸ááŻáśáá˝áŹá¸ááŤá
áĄáąáŹááşááŤááášáááŹáá˝áąááźá áşááŹááŤááááşá¸ áááŹáááşááŽááťááşááźááşá¸áá˝áŹá¸ááŤ-
ááááşáááźááşá¸áááşááąáŹ ááąá¸áá˝ááşáááŻá¸ááťááŻá¸ááťáŹá¸áááąáŹáˇ-
áá°áááŻááşá¸á áááŻááąá¸áá˝ááşáááŻá¸ááťááŻá¸áá˝áąááááŤáá°á¸á ááąáŹáşááźááŹá¸ááŹáá˝áąáá˛áááŤáá˛áˇ ááąá¸áá˝ááşáááŻá¸ááťááŻá¸áá˝áąáááşá¸ áážááááŻááşááŤáááşá ááááşáááŻáˇ ááąá¸áá˝ááşáááŻá¸ááťááŻá¸áá˛áˇáááşáááşáááŻáˇ á áááşáá°ááŹáá˝áąáážááááş áááŹáááşá ááąá¸ááąá¸áá°áááŻáˇááᯠááźáąáŹááźáááŻááşáááşáááŻááşááŤáááşá
áááşáĄááŻááąáŹááşááąáá˛áˇááąá¸áá˝áąáá˛áˇ Chlorpromazine ááŤááşááźáŻááŻáśáˇááźááşááźááşá¸áá˝áąáážááááŻááşááŤáááşá ááŤááŹááąá¸áĄááŻááşááŻááşááŻáśáááŻááźáąáŹááşá¸áá˛á áąááŹá ááŤáážáááŻááş ááąá¸áá˝ááşáááŻá¸ááťááŻá¸áá˝áąáááŻáááŻáááŻá¸á áąááŹááťááŻá¸ ááźá áşá áąááąáŹááşá¸ááźá áşá áąááŤááááˇáşáááşá ááŤáá˝áąáááŻáážáąáŹááşáááŻáˇáĄáá˝ááş ááŻááŻáśá¸á á˝á˛ááąáá˛áˇááąá¸áá˝áąáĄááŻááşááŻáśá¸ááᯠáááŹáááş áááŻáˇáááŻááş ááąá¸ááąá¸áá°áááŻááźáąáŹááźáááŤáááşá ááąá¸áááşá¸áááŻáˇáĄáá˝ááş áááŹáááşáá˝ážááşááźááťááşááážááᲠááąá¸áá˝áąáááşáááŻááşááŹá ááźáąáŹááşá¸áááŻááşááŹááťááŻá¸áááŻááşááŤáá˛áˇá
áĄáĄáąá¸ááááźááşá¸á ááŤááşááááˇáşááźááşá¸áĄáá˝ááşááąá¸ááťáŹá¸á á áááşááźáááşááąá¸á áĄáááşááąá¸á áĄáááşááťááąá¸á á áááşááŤááşááťááźááşá¸áĄáá˝ááşááąá¸áá˝áąá áá˛áˇááŤááşááźáŻááŻáśáˇááźááşááźáŽá¸ ááąá¸áá˝ááşáááŻá¸ááťááŻá¸ááťáŹá¸áááŻá¸á áąáááŻááşááŤáááşá ááŤááźáąáŹááˇáş áááŻááąá¸ááťáŹá¸ááŻáśá¸ááąááŤá áááŹáááşáááŻááźáąáŹááźááŤá
áááŻáˇáááŻááş áĄáąáŹááşááŤááąá¸ááťáŹá¸ááŻáśá¸ááąááŤááááşá¸ áááŹáááşáááŻááźáąáŹááŤ-
Chlorpromazine áᏠáĄá áŹá¸áĄá áŹáááťááŻáˇá áĄáááşáááŻáˇáá˛áˇ ááŤááşááźáŻááŻáśáˇááźááşááźáŽá¸ ááąá¸áĄááŻááşááŻááşááŻáśááźáąáŹááşá¸á áąááŹá ááąá¸áá˝ááşáááŻá¸ááťááŻá¸áá˝áąáááŻááťáŹá¸á áąááŹááťááŻá¸ ááźá áşá áąáááŻááşááŤáááşá ááŤááźáąáŹááˇáş ááąá¸á áááąáŹááşáááş áááŹáááşá ááąá¸ááąá¸áá°áááŻáˇáá˛áˇ áááŻááşáááşááŤá
áááˇáşááťááşá¸ááŹááąá¸áĄááźáąáĄááąáááťááŻáˇááᯠáááŻáááŻá¸ááąáŹááşá¸áááŻá¸ááŹá ááŤáážáááŻááş ááąá¸áá˛áˇáĄááŻááşááŻááşááŻáśáá˝áąááźáąáŹááşá¸áá˝áŹá¸ááŹááťááŻá¸ ááźá áşááŹáááŻááşááŤáááşá ááŤááźáąáŹááˇáş áááˇáşáážáŹááźá áşááąáá˛áˇ ááťááşá¸ááŹááąá¸áĄááźáąáĄááąáĄáŹá¸ááŻáśá¸ááᯠáááŹáááşáááŻááźáąáŹááźáááˇáşááŤáááşá
áááŻáĄááťááşáĄáááşááťáŹá¸áááş ááąá¸áááŹáĄááźáśááąá¸áážáŻááᯠáĄá áŹá¸áááŻá¸áááşáĄáá˝ááşáááŻááşááŤá áááşáááşáááˇáşáááŹáááşáážááˇáş áĄááźá˛áááşá¸áááŻááşáááşáá˝áąá¸áá˝áąá¸áááˇáşááŤáááş
Usual Adult Dose for Psychosis:
Intramuscular: Initial Dose 25 to 50 mg. The dose may be repeated in one hour. Subsequent doses may be increased and given every 2 to 4 hours as needed.
Oral: Initial Dose: 10 to 25 mg orally 3 times a day. Total daily doses should be increased in 20 to 50 mg increments every 3 or 4 days until symptoms are controlled.
Usual Maintenance Dose: 200 mg/day orally
Some patients require higher dosages (e.g., 800 mg daily is not uncommon in discharged mental patients). Increase dosage gradually until symptoms are controlled. Maximum improvement may not be seen for weeks or even months. Continue optimum dosage for 2 weeks, then gradually reduce dosage to the lowest effective maintenance level.
Usual Adult Dose for Mania:
Oral: 10 mg orally 3 to 4 times a day or 25 mg orally 2 to 3 times a day.
More severe cases: 25 mg orally 3 times a day.
After 1 to 2 days, dose may be increased by 20 to 50 mg/day at semiweekly intervals.
Prompt control of severe symptoms: 25 mg intramuscular one time.
If necessary, repeat in 1 hour. Subsequent doses should be oral, 25 to 50 mg three times a day.
Intramuscular: 25 mg injection one time. If necessary, may give additional 25 to 50 mg injection in 1 hour.
Increase subsequent doses gradually over several days up to 400 mg every 4 to 6 hours in exceptionally severe cases.
Usually patient becomes quiet and cooperative within 24 to 48 hours and oral doses may be substituted.
Oral: 500 mg/day is generally sufficient. Gradual increases to 2000 mg/day or more may be necessary.
There is usually little therapeutic gain to be achieved by exceeding 1000 mg/day for extended periods.
Less acutely disturbed Oral: 25 mg three times a day.
It may increase gradually until effective dose is reached, usually 400 mg/day.
Usual Adult Dose for Nausea/Vomiting:
Oral: 10 to 25 mg every 4 to 6 hours as needed. May increase, if necessary.
Intramuscular: 25 mg one time. If no hypotension occurs, give 25 to 50 mg every 3 to 4 hours as needed, then switch to oral dosage.
Rectal: One 100 mg suppository every 6 to 8 hours as needed. In some patients, half this dose will do.
Nausea/Vomiting During Surgery:
Intramuscular: 12.5 mg one time. It may repeat in 30 minutes if necessary and if no hypotension occurs.
Intravenous: 2 mg at 2 minute intervals. Do not exceed 25 mg. Dilute to 1 mg/mL.
Usual Adult Dose for Light Sedation:
For light sedation prior to a medical or surgical procedure:
Oral: 25 to 50 mg, 2 to 3 hours before the operation.
Intramuscular: 12.5 to 25 mg, 1 to 2 hours before operation.
Usual Adult Dose for Hiccups:
Oral: 25 to 50 mg 3 to 4 times a day.
Intramuscular: If symptoms persist for 2 to 3 days, give 25 to 50 mg.
Intravenous infusion: Should symptoms persist, use slow intravenous infusion: 25 to 50 mg in 500 to 1000 mL of saline.
Usual Adult Dose for Porphyria:
Oral: 25 to 50 mg 3 to 4 times a day.
It can usually be discontinued after several weeks, but maintenance therapy may be necessary for some patients.
Intramuscular: 25 mg injection 3 to 4 times a day until patient can take oral therapy.
Usual Adult Dose for Tetanus:
Intramuscular: 25 to 50 mg given 3 to 4 times daily, usually in conjunction with barbiturates. Total doses and frequency of administration must be determined by the patientâs response, starting with low doses and increasing gradually.
Intramuscular: 25 to 50 mg diluted to at least 1 mg/mL and administered at a rate of 1 mg/min.
Usual Pediatric Dose for Opiate Withdrawal:
less than 1 month:
Neonatal abstinence syndrome (withdrawal from maternal opioid use; controls CNS and gastrointestinal symptoms):
Intramuscular: Initial: 0.55 mg/kg/dose given every 6 hours; change to oral after approximately 4 days, decrease dose gradually over 2 to 3 weeks. Note: Chlorpromazine is rarely used for neonatal abstinence syndrome due to adverse effects such as hypothermia, cerebellar dysfunction, decreased seizure threshold, and eosinophilia; other agents are preferred.
Usual Pediatric Dose for Schizophrenia:
6 months and older:
Oral: 0.5 to 1 mg/kg/dose orally every 4 to 6 hours; older children may require 200 mg/day or higher
Intramuscular: 0.5 to 1 mg/kg/dose every 6 to 8 hours
Maximum recommended doses:
Less than 5 years (less than 22.7 kg): 40 mg/day
5 years and older: (22.7 to 45.5 kg): 75 mg/day
Usual Pediatric Dose for Nausea/Vomiting:
Nausea and vomiting:
Oral: 0.5 to 1 mg/kg/dose every 4 to 6 hours as needed
Intramuscular: 0.5 to 1 mg/kg/dose every 6 to 8 hours;
Maximum recommended doses:
less than 5 years (less than 22.7 kg): 40 mg/day
5 and older (22.7-45.5 kg): 75 mg/day
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