Acyclovir (Systemic) and Peginterferon beta-1a Subcutaneous

• Generic Name: acyclovir
• Dosage Forms: n.a.
• Other Brand Names: Sitavig, Zovirax

Acyclovir is an antiviral drug. It slows the growth and spread of the herpes virus in the body. It will not cure herpes, but it can lessen the symptoms of the infection.

Acyclovir is used to treat infections caused by herpes viruses, such as genital herpes, cold sores, shingles, and chicken pox, as well as varicella (chickenpox), and cytomegalovirus.

Acyclovir may also be used for purposes not listed in this medication guide.

• Generic Name: peginterferon beta-1a
• Dosage Forms: n.a.
• Other Brand Names: Plegridy, Plegridy Pen, Plegridy Pen Starter Pack, Plegridy Starter Pack

Peginterferon beta-1a injection is used to treat the relapsing forms of multiple sclerosis (MS). Peginterferon beta-1a 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.

Peginterferon beta-1a is available only with your doctor's prescription.