Anesthetics:
Indications for: Phenylephrine HCl Injection
Prolongation of spinal anesthesia. Vasoconstrictor in regional analgesia.
Adult Dosage:
Prolongation of spinal anesthesia: add 2–5mg into anesthetic solution. Vasoconstrictor for regional analgesia: add 1mg to every 20mL (1:20,000) of local anesthetic solution.
Children Dosage:
Not recommended.
Phenylephrine HCl Injection Contraindications:
Severe hypertension. Ventricular tachycardia.
Phenylephrine HCl Injection Warnings/Precautions:
Cardiovascular disease. Hypertension. Thyroid disease. Asthma. Sulfite sensitivity. Elderly. Pregnancy (Cat.C). Labor & delivery. Nursing mothers.
Phenylephrine HCl Injection Classification:
Sympathomimetic.
Phenylephrine HCl Injection Interactions:
Potentiated by oxytocic drugs, tricyclic antidepressants, or MAOIs. Caution with halothane anesthesia.
Adverse Reactions:
Headache, reflex bradycardia, excitability, restlessness: rare: arrhythmias.
How Supplied:
Vial 10mg/mL (1mL, 5mL)—25
CHF and arrhythmias:
Indications for: Phenylephrine HCl Injection
Paroxysmal supraventricular tachycardia.
Adult Dosage:
Give by rapid IV inj within 20–30secs. Initial max dose: 0.5mg, subsequent doses not to exceed preceding dose by 0.1–0.2mg; max: 1mg.
Children Dosage:
Not recommended.
Phenylephrine HCl Injection Contraindications:
Severe hypertension. Ventricular tachycardia.
Phenylephrine HCl Injection Warnings/Precautions:
Cardiovascular disease. Hypertension. Thyroid disease. Asthma. Sulfite sensitivity. Elderly. Pregnancy (Cat.C). Labor & delivery. Nursing mothers.
Phenylephrine HCl Injection Classification:
Sympathomimetic.
Phenylephrine HCl Injection Interactions:
Potentiated by oxytocic drugs, tricyclic antidepressants, or MAOIs. Caution with halothane anesthesia.
Adverse Reactions:
Headache, reflex bradycardia, excitability, restlessness: rare: arrhythmias.
How Supplied:
Vial 10mg/mL (1mL, 5mL)—25
Hypotension:
Indications for: Phenylephrine HCl Injection
To maintain adequate blood pressure during spinal and inhalation anesthesia. Vascular failure in shock, shock-like states and drug-induced hypotension or hypersensitivity.
Adult Dosage:
Spinal anesthesia hypotension: treatment or prophylaxis: 2–3mg SC or IM 3–4 minutes prior to spinal anesthesia; hypotensive crisis: initially 0.2mg by IV inj, subsequent doses not to exceed preceding dose by 0.1–0.2mg; max: 0.5mg/dose. Mild or moderate hypotension: SC or IM: usually 2–5mg; initial max dose: 5mg. Range: 1–10mg; IV: usually 0.2mg; initial max dose: 0.5mg. Range: 0.1–0.5mg. Do not repeat injections more often than every 10–15mins. Shock and drug-induced: initially 10mg by continuous IV infusion, if non-responsive, add additional 10mg (or more) into infusion bottle. See literature.
Children Dosage:
Spinal anesthesia hypotension: 0.5–1mg/25lbs body weight by SC or IM.
Phenylephrine HCl Injection Contraindications:
Severe hypertension. Ventricular tachycardia.
Phenylephrine HCl Injection Warnings/Precautions:
Cardiovascular disease. Hypertension. Thyroid disease. Asthma. Sulfite sensitivity. Elderly. Pregnancy (Cat.C). Labor & delivery. Nursing mothers.
Phenylephrine HCl Injection Classification:
Sympathomimetic.
Phenylephrine HCl Injection Interactions:
Potentiated by oxytocic drugs, tricyclic antidepressants, or MAOIs. Caution with halothane anesthesia.
Adverse Reactions:
Headache, reflex bradycardia, excitability, restlessness: rare: arrhythmias.
How Supplied:
Vial 10mg/mL (1mL, 5mL)—25
