Phenylephrine Hydrochloride
Phenylephrine Hydrochloride Prescribing Information
Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% and 10% is indicated to dilate the pupil.
- For patients 1 year of age and older, apply one drop of Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% or 10% at 3 to 5 minute intervals up to a maximum of 3 drops per eye (
2.1). - In pediatric patients less than 1 year of age, one drop of Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% should be instilled at 3 to 5 minute intervals up to a maximum of 3 drops per eye (
2.2).
Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% is a clear, colorless, sterile topical ophthalmic solution containing phenylephrine hydrochloride 2.5%.
Phenylephrine Hydrochloride Ophthalmic Solution, USP 10% is a clear, colorless, sterile topical ophthalmic solution containing phenylephrine hydrochloride 10%.
Animal reproduction studies have not been conducted with topical phenylephrine. It is also not known whether phenylephrine can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% and 10% should be given to a pregnant woman only if clearly needed.
- Phenylephrine Hydrochloride Ophthalmic Solution, USP 10% is contraindicated in patients with hypertension, or thyrotoxicosis. Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% should be used in these patients ().
4.1 Cardiac and Endocrine DiseasePhenylephrine Hydrochloride Ophthalmic Solution, USP 10% is contraindicated in patients with hypertension, or thyrotoxicosis. Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% should be used in these patients.
- Phenylephrine Hydrochloride Ophthalmic Solution, USP 10% is contraindicated in pediatric patients less than 1 year of age due to the increased risk of systemic toxicity. Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% should be used in these patients ().
4.2 Pediatric Patients Less Than 1 Year of AgePhenylephrine Hydrochloride Ophthalmic Solution, USP 10% is contraindicated in pediatric patients less than 1 year of age due to the increased risk of systemic toxicity. Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% should be used in these patients
[See Dosage and Administration].
- Not for injection. Phenylephrine Hydrochloride Ophthalmic Solution, USP is indicated for topical ophthalmic use ().
5.1 Topical Ophthalmic UsePhenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% and 10% is not indicated for injection.
- Reports of serious cardiovascular reactions, some fatal, with Phenylephrine Hydrochloride Ophthalmic Solution, USP 10% solution. Monitor blood pressure in patients with cardiovascular disease ().
5.2 Cardiovascular ReactionsThere have been reports of serious cardiovascular reactions, including ventricular arrhythmias and myocardial infarctions, in patients using phenylephrine 10%. These episodes, some fatal, have usually occurred in patients with pre-existing cardiovascular diseases. Phenylephrine Hydrochloride Ophthalmic Solution, USP 2.5% should be used in these patients.
- Significant elevations in blood pressure have been reported. Caution in pediatric patients less than 5 years of age, and in patients with elevated blood pressure ().
5.3 Elevation in Blood PressureA significant elevation in blood pressure is not common but has been reported following conjunctival instillation of recommended doses of phenylephrine 10%. The risk is less with phenylephrine 2.5%. Caution should be exercised with the use of phenylephrine 10% in pediatric patients less than 5 years of age and patients with hyperthyroidism or cardiovascular disease. The post-treatment blood pressure of patients with cardiac and endocrine diseases and any patients who develop symptoms should be carefully monitored.
- Rebound miosis has been reported one day after instillation ().
5.4 Rebound MiosisRebound miosis has been reported one day after receiving phenylephrine ophthalmic solution, and re instillation of the drug produced a lesser mydriatic effect.