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What are symptoms of type 4 spinal muscular atrophy (SMA)?

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Symptoms for SMA vary greatly depending on the type.

Type 4 of SMA starts when you're an adult. You may have symptoms such as muscle weakness, twitching, or breathing problems. Usually only your upper arms and legs are affected.

You'll have the symptoms throughout your life, but you can keep moving and even get better with exercises that you'll practice with the help of a physical therapist.

From: Spinal Muscular Atrophy WebMD Medical Reference

SOURCES:

Genetics Home Reference: "Spinal muscular atrophy."

KidsHealth: "Spinal Muscular Atrophy (SMA)."

MDA.org: "Spinal Muscular Atrophy."

Medscape: "Spinal Muscular Atrophy."

National Institute of Neurological Disorders and Stroke: "NINDS Spinal Muscular Atrophy Information."

Boston Children's Hospital: "Spinal Muscular Atrophy (SMA)."

Jennifer Trust for Spinal Muscular Therapy: "Adult Onset SMA."

Cure SMA: "Therapeutic Approaches."

New England Journal of Medicine : "Single-Dose Gene-Replacement Therapy for Spinal Muscular Atrophy."

Muscular Dystrophy UK: "Developing a genetic therapy for spinal muscular atrophy."

Science Advances : "Gene therapy rescues disease phenotype in a spinal muscular atrophy with respiratory distress type 1 (SMARD1) mouse model."

Columbia University Department of Neurology: "Q&A on Spinraza Treatment for Spinal Muscular Atrophy (SMA) Patients."

Reviewed by Hansa D. Bhargava on May 23, 2019

SOURCES:

Genetics Home Reference: "Spinal muscular atrophy."

KidsHealth: "Spinal Muscular Atrophy (SMA)."

MDA.org: "Spinal Muscular Atrophy."

Medscape: "Spinal Muscular Atrophy."

National Institute of Neurological Disorders and Stroke: "NINDS Spinal Muscular Atrophy Information."

Boston Children's Hospital: "Spinal Muscular Atrophy (SMA)."

Jennifer Trust for Spinal Muscular Therapy: "Adult Onset SMA."

Cure SMA: "Therapeutic Approaches."

New England Journal of Medicine : "Single-Dose Gene-Replacement Therapy for Spinal Muscular Atrophy."

Muscular Dystrophy UK: "Developing a genetic therapy for spinal muscular atrophy."

Science Advances : "Gene therapy rescues disease phenotype in a spinal muscular atrophy with respiratory distress type 1 (SMARD1) mouse model."

Columbia University Department of Neurology: "Q&A on Spinraza Treatment for Spinal Muscular Atrophy (SMA) Patients."

Reviewed by Hansa D. Bhargava on May 23, 2019

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How is spinal muscular atrophy (SMA) treated?

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