Short answer · Medically reviewed summary · Last updated: 2026-04-06
Marfan syndrome is a systemic connective tissue disorder that primarily manifests through skeletal, cardiovascular, and ocular abnormalities, resulting from mutations in the FBN1 gene. Common and Characteristic Symptoms Individuals with Marfan syndrome often exhibit a tall, slender build with disproportionately long arms, legs, and fingers, a condition known as arachnodactyly. Skeletal features frequently include a curved spine (scoliosis) and a chest deformity where the breastbone either sinks in (pectus excavatum) or pushes out (pectus carinatum).
9 people with Marfan Syndrome have shared their first-person experience on this question at DiseaseMaps.
Which are the symptoms of Marfan Syndrome?
Symptoms of Marfan Syndrome reported by real patients, from the most common to the most limiting, plus a medically reviewed summary with sources.
Marfan syndrome is a systemic connective tissue disorder that primarily manifests through skeletal, cardiovascular, and ocular abnormalities, resulting from mutations in the FBN1 gene.
Common and Characteristic Symptoms
Individuals with Marfan syndrome often exhibit a tall, slender build with disproportionately long arms, legs, and fingers, a condition known as arachnodactyly. Skeletal features frequently include a curved spine (scoliosis) and a chest deformity where the breastbone either sinks in (pectus excavatum) or pushes out (pectus carinatum). Ocular symptoms are also hallmark signs, specifically lens dislocation (ectopia lentis), which can lead to severe nearsightedness.
Early Warning Signs and Clinical Progression
Families should watch for sudden chest pain, unexplained shortness of breath, or palpitations, as these can indicate cardiovascular involvement, which is the most serious aspect of Marfan syndrome. Symptoms can vary significantly in severity even among family members with the same genetic mutation, a concept known as variable expressivity. Over time, the aorta—the body’s main artery—may weaken and dilate, increasing the risk of aortic dissection, which is the most critical progression to monitor.
Impact on Quality of Life
Daily life for those with Marfan syndrome is often impacted by joint hypermobility, chronic fatigue, and potential respiratory issues caused by chest wall deformities. Managing these symptoms requires a multidisciplinary approach to ensure that physical activities are safe and that ocular health is regularly monitored to prevent vision loss.
When to Seek Emergency Care
Seek immediate emergency medical attention if a patient experiences sudden, sharp, or tearing chest or back pain, as this may be a sign of aortic dissection. Other urgent symptoms include fainting, sudden vision changes, or difficulty breathing, all of which require prompt evaluation by a specialist familiar with the complexities of Marfan syndrome.
Medical Disclaimer: This information is for educational purposes only and does not constitute professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.
References
- NIH Genetic and Rare Diseases Information Center (GARD)
- Orphanet (The portal for rare diseases and orphan drugs)
- The Marfan Foundation
- OMIM (Online Mendelian Inheritance in Man)
Posted Feb 27, 2017 by Griet 1000
Posted Oct 15, 2017 by Bonita 950
Posted Oct 16, 2017 by Lovely May 500
Posted Oct 16, 2017 by Dave 100
Heart Proplems
Eye problems
Posted Oct 16, 2017 by Henrik 1600
Posted Oct 4, 2018 by Antonio 350
Bones that Hurts
Sleep apnea
Posted Jan 21, 2020 by Birgit Ottilie Madsen 1220
The skeleton. Are people often very high (in comparison with the other members of the family) and thin, with long limbs and joints with a lot of mobility. The fingers and hands are long and thin with aspect of the spider, the face long and narrow protrusion or depression of the breastbone, deviations of the spine, etc
The heart and the blood vessels. The alterations in these structures are the main cause of death of these people. One of the most important is the dilatation of the aorta the weakness of your wall, and may even tear or rupture. Also problems can occur at the level of the heart valves: aortic insufficiency or prolapse of mitral valve.
The eyes. Myopia, cataracts, dislocation (luxation) of the lens or detachment of the retina, are the most common problems that tend to have people with Marfan syndrome.
Other alterations. Pneumothorax (collapsed lung), inguinal hernias, stretch marks on shoulders and buttocks, etc
Posted Apr 15, 2017 by Carola 1360
I would take this dilation with some treatment.
Posted Oct 5, 2017 by Helena 2550
