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Glatiramer Acetate is available as a 20 mg/mL or 40 mg/mL single-dose prefilled syringe.

Glatiramer Acetate is used to treat relapsing forms of multiple sclerosis (MS).

Glatiramer Acetate is a disease-modifying treatment option for multiple sclerosis (MS). The exact way it works to treat MS is unknown. But it’s thought to block certain processes of the immune system that can cause this condition.

The dose of Glatiramer Acetate will depend on the strength you are prescribed. The strengths are not interchangeable. The 20 mg/mL strength is injected under the skin once per day. The 40 mg/mL strength is injected under the skin three times per week, each dose at least 48 hours apart.

Glatiramer Acetate is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication in the following:

• Known hypersensitivity to Glatiramer Acetate or mannitol

Common side effects of Glatiramer Acetate:

• Injection site reactions
• Infection
• Weakness
• General body pain
• Rash
• Nausea
• Shortness of breath
• Anxiety
• Chest pain
• Back pain

Serious side effects are rare with Glatiramer Acetate. Contact your healthcare provider immediately if you experience any of the following:

• Immediate reactions after injection: throat tightness, difficulty breathing
• Injection site necrosis (skin cell death): blue-black discoloration, swelling, broken skin, dent in skin
• Worsening liver problems or liver failure: swelling of your stomach, yellowing of your skin or the whites of your eyes, confusion, nausea

There are no major drug interactions listed for this medication. However, always let your physician and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking.

Various FDA-approved generic manufacturers

It is not known whether this medication is safe for you and your unborn baby during pregnancy. Talk to your doctor if you are already pregnant or if you have plans on becoming pregnant. They will recommend what is best for you.

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