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Promethazine
| Question | Answer |
|---|---|
| Promethazine GENERIC NAME | Promethazine |
| Promethazine BRAND NAME | Phenergan |
| Promethazine CLASS | Antiemetics, antihistamine, sedative/hypnotics |
| Promethazine MECHANISM OF ACTION | Blocks the effects of histamine. Alters the effects of dopamine in the CNS. Possesses significant anticholinergic activity. |
| Promethazine INDICATIONS | Treatment of various allergic conditions and motion sickness. Treatment and prevention of N/V |
| Promethazine CONTRAINDICATIONS | Narrow-angle glaucoma, comatose patients, children less then 2yr. |
| Promethazine ADVERSE REACTIONS | confusion,disorientation, sedation, dizziness, insomnia, nervousness, Blurred vision, diplopia |
| Promethazine INCOMPATABILITIES/DRUG INTERACTIONS | Potentiates other CNS depressants, Additive anticholinergic effects with other drugs possessing anticholinergic properties. |
| Promethazine DOSE/ROUTE, Adult antihistamine IV | 25mg, may repeat in 2hr. |
| Promethazine Adult antiemetic IV | 10-25mg Q4hr as needed. |
| Promethazine Peds antihistamine IV | Not recommended |
| Promethazine Peds antiemetic IV | 0.25-0.5 mg/kg q 4-6 hours |
| Promethazine ONSET OF ACTION | IV 3-5 minutes |
| Promethazine PEAK EFFECTS | Unknown |
| Promethazine DURATION OF ACTION | 4-12 hours |
| Promethazine AZ DRUG BOX SUPPLY RANGE | Not carried |