How do you double dilute phenylephrine?
– Dilution to a concentration of 50 micrograms/ml: 1 ml of the 10 mg/ml solution is diluted in 200 ml sodium chloride 9 mg/ml or glucose 50 mg/ml. Other concentrations may also occur.
Can you take 2 phenylephrine?
Do not take more than 4 doses in 24 hours. If your symptoms do not go away talk to your doctor or pharmacist. Do not take for more than 7 days unless your doctor tells you to. Do not take more than the amount recommended on the label of the packaging of the medicine you have purchased.
Is 20 mg of phenylephrine too much?
For the treatment of sinus and nasal congestion and eustachian tube congestion due to the common cold, allergic rhinitis, or sinusitis. 10 to 20 mg PO every 4 to 6 hours as needed. Max: 60 mg/day. Initiate dosage at the lower end of the adult dosage range for geriatric patients; the dose may be increased if needed.
What is phenylephrine HCL injection used for?
Phenylephrine injection is used to treat hypotension (low blood pressure) that may occur during surgery.
How do you dilute phenylephrine?
Phenylephrine Hydrochloride Injection, 10 mg/mL must be diluted before administration as an intravenous bolus or continuous intravenous infusion to achieve the desired concentration: Bolus: Dilute with normal saline or 5% dextrose in water.
How do you mix phenylephrine?
Mixing instructions: Take a 3 mL syringe and draw up 1 mL of phenylephrine from the vial of phenylephrine 10 mg/mL. Inject this into a 100 mL bag of normal saline. Now you have 100 mL of phenylephrine with a concentration of 100 mcg/mL. Draw up some into a syringe; each milliliter in the syringe is 100 mcg.
How much phenylephrine 10 mg can I take?
Directions: adults and children 12 years and over: take 1 tablet every 4 hours; do not take more than 6 tablets in 24 hours; children under 12 years: ask a doctor.
What happens if you take too much phenylephrine HCl?
Symptoms of overdose may include: severe dizziness/fainting, hallucinations, fast/irregular heartbeat, slow/shallow breathing, vomiting, seizures. If this product has been prescribed, do not share this medication with others. This medication is for temporary use only.
Can I take 40 mg of phenylephrine?
Phenylephrine hydrochloride doses of up to 40 mg every 4 hours are not significantly better than placebo in reducing subjective nasal congestion scores in individuals suffering from seasonal allergic rhinitis.
Where do you inject phenylephrine?
Phenylephrine Injection may be administered subcutaneously or intramuscularly in a dosage of 2 to 5 mg with further doses of 1 to 10 mg if necessary according to response, or in a dose of 100 to 500 micrograms by slow intravenous injection as a 0.1% solution, repeated as necessary after at least 15 minutes.
How much phenylephrine can I take?
adults and children 12 years and over: take 1 tablet every 4 hours. Do not take more than 6 tablets in 24 hours.
How much phenylephrine can I take in 24 hours?
How to withdraw 10 mg of phenylephrine hydrochloride injection?
Withdraw 10 mg (1 mL of 10 mg/mL) of Phenylephrine Hydrochloride Injection and dilute with 99 mL of 5% Dextrose Injection, USP or 0.9% Sodium Chloride Injection, USP. Withdraw an appropriate dose from the 100 mcg/mL solution prior to bolus intravenous administration.
How many mg of phenylephrine per ml bolus?
Acidosis may reduce the effectiveness of phenylephrine. For bolus intravenous administration, withdraw 10 mg (1 mL of a 10 mg per mL concentration) of phenylephrine hydrochloride injection and dilute with 99 mL of 5% Dextrose Injection, USP or 0.9% Sodium Chloride Injection, USP. This will yield a final concentration of 100 mcg per mL.
How is phenylephrine 10 mg / mL diluted at room temperature?
Phenylephrine HCl 10 mg/mL solution was diluted with 0.9% sodium chloride for injection to final concentrations of 200 mcg/mL and 400 mcg/mL and stored at room temperature (23°C-25°C) exposed to fluorescent light. Stability of phenylephrine HCl was evaluated by high-performance liquid chromatography on days 0, 7, 14, 21, 30, 45, and 60.
What is the chemical formula for phenylephrine injection?
Phenylephrine hydrochloride is a synthetic sympathomimetic agent in sterile form for parenteral injection. Chemically, phenylephrine hydrochloride is (-)-m-Hydroxy-α- [ (methylamino)methyl]benzyl alcohol hydrochloride and has the following structural formula: