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
Warnings
Kidney Use With Care
Dosage adjustment may be needed for patient who needs parenteral Phenylephrine and with hypotensive states.
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.
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.
Liver Limited Data
There is no dosage adjustment needed for patients with hepatic impairment according to the manufacturer labelling.
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.
Frequently Asked Questions
Written by Dr Sri Viknarajan, MD (Universiti Hasanuddin, Indonesia)
Reviewed by Dr Nur Syuhada binti Zulkifli, MD, Universiti Kebangsaan Malaysia (UKM).
