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Ephedrine sulfate injection is indicated for the treatment of clinically important hypotension occurring in the setting of anesthesia. Ephedrine sulfate injection is an alpha- and beta-adrenergic agonist and a norepinephrine-releasing agent that is indicated for the treatment of clinically important hypotension occurring in the setting of anesthesia. ( 1 )

• Should be administered by trained healthcare providers Ephedrine sulfate injection, 50 mg/mL, must be diluted before administration as an intravenous bolus dose
• Bolus intravenous injection: 5 mg to 10 mg as needed, not to exceed 50 mg
• General Dosage and Administration Instructions Ephedrine sulfate injection, 50 mg/mL must be diluted before administration as an intravenous bolus to achieve the desired concentration
• Dilute with normal saline or 5% dextrose in water
• Inspect parenteral drug products visually for particulate matter and discoloration prior to administration, whenever solution and container permit
• Dosing
• For the Treatment of Clinically Important Hypotension in the Setting of Anesthesia Ephedrine sulfate injection should be administered by trained healthcare providers
• The recommended dosages
• For the treatment of clinically important hypotension in the setting of anesthesia is an initial dose of 5 to 10 mg administered by intravenous bolus
• Administer additional boluses as needed, not to exceed a total dosage of 50 mg
• Adjust dosage according to the blood pressure goal (i.e., titrate to effect)
• Prepare a 5 mg/mL Solution for Bolus Intravenous Administration For bolus intravenous administration, prepare a solution containing a final concentration of 5 mg/mL of ephedrine sulfate injection: Withdraw 50 mg (1 mL of 50 mg/mL) of ephedrine sulfate injection and dilute with 9 mL of 5% Dextrose Injection or 0.9% Sodium Chloride Injection. …

Ephedrine sulfate injection, USP is a clear, colorless, sterile solution for intravenous injection available as: single-dose 1 mL vial that contains 50 mg/mL ephedrine sulfate, equivalent to 38 mg/mL of ephedrine base Injection: 50 mg/mL ephedrine sulfate in single-dose vial ( 3 )

• The safety and effectiveness of ephedrine sulfate
• In pediatric patients have not been established
• Animal Toxicity Data In a study in which juvenile rats were administered intravenous bolus doses of 2, 10, or 60 mg/kg ephedrine sulfate daily from Postnatal Day 35 to 56, an increased incidence of mortality was noted at the high dose of 60 mg/kg
• The no-adverse-effect level was 10 mg/kg (approximately 1.9 times a maximum daily dose of 50 mg in a 60 kg person based on body surface area)

Clinical studies of ephedrine did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger patients. …

None None ( 4 )

Interactions that Augment the Pressor Effect Oxytocin and oxytocic drugs Clinical Impact: Serious postpartum hypertension has been described in patients who received both a vasopressor (i.e., methoxamine, phenylephrine, ephedrine) and an oxytocic (i.e., methylergonovine, ergonovine). Some of these patients experienced a stroke. Intervention: Carefully monitor the blood pressure of individuals who have received both ephedrine and an oxytocic. Clonidine, propofol, monoamine oxidase inhibitors (MAOIs), atropine Clinical Impact: These drugs augment the pressor effect of ephedrine. …

Pressor Effects with Concomitant Use with Oxytocic Drugs : Pressor effect of sympathomimetic pressor amines is potentiated ( 5.1 ) Tachyphylaxis and Tolerance : Repeated administration of ephedrine may cause tachyphylaxis ( 5.2 ) 5.1 Pressor Effect with Concomitant Oxytocic Drugs Serious postpartum hypertension has been described in patients who received both a vasopressor (i.e., methoxamine, phenylephrine, ephedrine) and an oxytocic (i.e., methylergonovine, ergonovine) [ see Drug Interactions (7) ]. Some of these patients experienced a stroke. Carefully monitor the blood pressure of individuals who have received both ephedrine and an oxytocic. …

The following adverse reactions associated with the use of ephedrine sulfate were identified in the literature. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to estimate their frequency reliably or to establish a causal relationship to drug exposure. Gastrointestinal disorders: Nausea, vomiting Cardiac disorders: Tachycardia, palpitations (thumping heart), reactive hypertension, bradycardia, ventricular ectopics, R-R variability Nervous system disorders: Dizziness Psychiatric disorders: Restlessness Most common adverse reactions during treatment: nausea, vomiting, and tachycardia. …

8.1 Pregnancy Risk Summary Available data from randomized studies, case series, and reports of ephedrine sulfate use in pregnant women have not identified a drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. However, there are clinical considerations due to underlying conditions (see Clinical Considerations) . …

Overdose of ephedrine can cause a rapid rise in blood pressure. In the case of an overdose, careful monitoring of blood pressure is recommended. If blood pressure continues to rise to an unacceptable level, parenteral antihypertensive agents can be administered at the discretion of the clinician.

Take it when you remember, unless it is nearly time for the next dose. Then skip the missed one. Never take two doses at once to make up for it. Check your leaflet, as some medicines are different.