Phenylephrine Information

Phenylephrine is a prescription medicine. It is primarily used for the treatment of Common Cold. The alternative uses of Phenylephrine have also been explained below.

The optimal dosage of Phenylephrine is largely dependent on the individual's body weight, medical history, gender and age. The condition it has been prescribed for, and the route of administration also determine the right dosage. This information has been provided in detail in the dosage section.

Some other side effects of Phenylephrine have been listed ahead. Such side effects of Phenylephrine normally do not last long and go away once the treatment is completed. Please speak with your doctor if these side effects worsen or persist for a longer duration.

Furthermore, you should know that effect of Phenylephrine is Moderate for pregnant women and Mild for women who are breastfeeding. Warnings related to Phenylephrine's effects on the liver, heart and kidney, if any, have been listed below.

Phenylephrine is not recommended if you suffer from certain medical conditions as it can have adverse effects. Heart Disease are examples of such conditions. Other conditions have been mentioned below in the Phenylephrine contraindications section.

Additionally, Phenylephrine may also adversely react with other medicines. Refer to the list below for further details.

You should also be aware that Phenylephrine is not safe while driving, and is not addiction.

Phenylephrine Benefits & Uses
Phenylephrine Dosage & How to Take
Phenylephrine Side Effects
Phenylephrine Related Warnings
Severe Interaction of Phenylephrine with Other Drugs
Phenylephrine Contraindications
Frequently asked Questions about Phenylephrine
Phenylephrine Interactions with Food and Alcohol

Phenylephrine Benefits & Uses

Phenylephrine is used to treat the following -

Main Benefits

Common Cold

Other Benefits

Phenylephrine Dosage & How to Take

This is the usual dosage recommended in most common treatment cases. Please remember that every patient and their case is different, so the dosage can be different based on the disease, route of administration, patient's age and medical history.

Find the right dosage based on disease and age

Age Group

Dosage

Phenylephrine Side Effects

Based on research, the following side effects have been observed when Phenylephrine is used -

Severe

Increased Heart Rate

Moderate

Increased blood pressure
Blurred vision

Mild

Nausea or vomiting
Headache
Palpitations (fluttering in chest)
Injection Site Allergic Reaction
Restlessness
Tremor

Phenylephrine Related Warnings

Is the use of Phenylephrine safe for pregnant women?

Phenylephrine can have harmful effects in pregnant women. If you experience any discomfort after using Phenylephrine, then discontinue the use and take your doctor's advice.

Moderate
Is the use of Phenylephrine safe during breastfeeding?

Side effects of Phenylephrine for breastfeeding are little to none, so you can take it without doctor's advice.

Mild
What is the effect of Phenylephrine on the Kidneys?

Phenylephrine rarely harms the kidneys.

Mild
What is the effect of Phenylephrine on the Liver?

Phenylephrine may have mild side effects on the liver. Most people will never see any effect on the liver.

Mild
What is the effect of Phenylephrine on the Heart?

Phenylephrine may have mild side effects on the heart. Most people will never see any effect on the heart.

Mild

Severe Interaction of Phenylephrine with Other Drugs

Phenylephrine should not be taken with following medicines due to severe side effects it may cause to patients -

Severe

Doxepin

Selegiline

Amitriptyline

Amoxapine

Moderate

Hyoscyamine

Phenylephrine Contraindications

If you are suffering from any of the following diseases, you should not take Phenylephrine unless your doctor advises you to do so -

Angina
Heart Disease
Coronary Artery Disease (CAD)
Hyperthyroidism
Diabetes
Glaucoma
Thyroid problems

Frequently asked Questions about Phenylephrine

Is this Phenylephrine habit forming or addictive?

Phenylephrine does not cause addiction.

No
Is it safe to drive or operate heavy machinery when consuming?

You may feel sleepy or tired after taking Phenylephrine. So it is best to avoid driving.

Dangerous
Is it safe?

Yes, but take Phenylephrine only as per medical advice.

Safe, but take only on Doctor's advise
Is it able to treat mental disorders?

Phenylephrine is unable to treat or cure mental disorders.

No

Phenylephrine Interactions with Food and Alcohol

Interaction between Food and Phenylephrine

Taking Phenylephrine with food does not cause any problems.

Safe
Interaction between Alcohol and Phenylephrine

Information about the interaction of Phenylephrine and alcohol is not currently available because this topic has not been researched yet.

Unknown