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.