Plegridy Pen (Subcutaneous)

Generic name:peginterferon beta-1a (intramuscular route, subcutaneous route) [ peg-in-ter-FEER-on-BAY-ta-1-a ]
Drug class:Interferons

Medically reviewed by Drugs.com. Last updated on Feb 6, 2022.

Commonly used brand name(s)

In the U.S.

• Plegridy Pen
• Plegridy Pen Starter Pack

Available Dosage Forms:

• Solution

Therapeutic Class: Immunological Agent

Pharmacologic Class: Interferon, Beta (class)

Uses for Plegridy Pen

Peginterferon beta-1a injection is used to treat the relapsing forms of multiple sclerosis (MS), including clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease. This medicine will not cure MS, but it may slow some of the disabling effects and decrease the number of relapses of the disease. Peginterferons are natural substances that are produced in the body to help fight infections. Peginterferon beta-1a is a synthetic (man-made) version of these substances.

This medicine is available only with your doctor's prescription.

Before using Plegridy Pen

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Appropriate studies have not been performed on the relationship of age to the effects of peginterferon beta-1a injection in the pediatric population. Safety and efficacy have not been established.

Geriatric

Although appropriate studies on the relationship of age to the effects of peginterferon beta-1a injection have not been performed in the geriatric population, geriatric-specific problems are not expected to limit the usefulness of peginterferon beta-1a injection in the elderly.

Breastfeeding

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Interactions with medicines

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Interactions with food/tobacco/alcohol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or t...