Phenylephrine

Information About Phenylephrine

Uses of Phenylephrine

Phenylephrine is commonly used to treat allergic conditions, common cold and cough with fever, common cold symptoms, common cold symptoms with fever, nasal allergy symptoms, nasal congestion blocked nose, piles, pupil dilation, sinusitis, sneezing and runny nose due to allergies,

How Phenylephrine Works

Phenylephrine is an alpha-adrenergic receptor agonist which works to stimulate the receptor causing vasoconstriction and also releasing the norepinephrine from its storage sites.

Side Effects of Phenylephrine

Palpitation, Eye irritation, Blurred vision, Nausea, Vomiting, Headache, Tremor, Anxiety, Insomnia, Urinary retention

Authorship

Written By

Dr Mohd Ramzdhan Bin Mohd Masdar

MD (Crimea State Medical University)

Reviewed By

Dr Nur Syuhada binti Zulkifli

MD, Universiti Kebangsaan Malaysia (UKM)

Phenylephrine Related Warnings

Alcohol Safe

There is no contraindication in alcohol consumption while using Phenylephrine.

Pregnancy Not Safe

There is no animal reproductive studies conducted but due to potential adverse effects of Phenylephrine to the term fetus, it is not advisable to take Phenylephrine during pregnancy.

Lactation Limited Data

It is not known whether Phenylephrine is excreted into human breastmilk or not. Due to its potential toxicity, Phenylephrine is not advisable to be used during breastfeeding.

Driving Not advisable

It is not advisable to drive when under Phenylephrine eye treatment due to its potential side effects such as eye irritation and blurred vision which can affect the ability to concentrate and drive.

Kidney Use With Care

Dosage adjustment may be needed for patient who needs parenteral Phenylephrine and with hypotensive states.

Liver Limited Data

There is no dosage adjustment needed for patients with hepatic impairment according to the manufacturer labelling.