A new diagnosis, or a new word you can’t quite pronounce, can leave you feeling overwhelmed and a little alone. Maybe a doctor said "hEDS" fast at the end of a visit, or you ran into it in a forum and wondered whether it describes you. Either way, you’re not imagining your symptoms, and you don’t have to make sense of them in one sitting.
What follows can help you understand the word, so the next appointment goes better. It can’t diagnose you, and only a clinician who has examined you and knows EDS can do that.
Is HEDS the same thing as hEDS?
Yes. HEDS and hEDS are the same abbreviation for hypermobile Ehlers-Danlos syndrome. Clinicians write it with a small "h" to set it apart from the other types, but the capital letters change nothing about the meaning.
The "hypermobile" part describes joints that move further than they should and don’t always stay where they belong. "Ehlers-Danlos" is the name of the wider family of conditions. "Syndrome" means a pattern of symptoms that tend to show up together, which is a fair description of how most people with hEDS experience it.
How is hEDS different from the other types of EDS?
hEDS is one of 13 recognized types, and it’s the one with no known gene behind it yet. According to Mayo Clinic, there are 13 types of Ehlers-Danlos syndrome, and hypermobile and classical are the most common.
The other types are easier to confirm because a lab can look for the gene change. Researchers at UNC’s MedRAC, a research page from the University of North Carolina, describe classical EDS as marked by atrophic scarring (thin, sunken scars) and mutations in the genes for type V collagen, a protein that gives connective tissue its strength. They describe vascular EDS as marked by arterial rupture at a young age and a mutation in COL3A1, the gene for type III collagen.
So if you have hEDS, nobody can hand you a blood result that settles it. Mayo Clinic adds that the most serious type is vascular EDS, which affects blood vessels, and that is why a clinician will want to rule it out. If you’d like a plain-language overview of all the types, Understanding Ehlers-Danlos Syndrome walks through them.
How is hEDS different from hypermobility spectrum disorder?
hEDS and hypermobility spectrum disorder (HSD) are two separate diagnoses, and neither is a milder version of the other. Both involve joints that move too far and cause symptoms. The difference is whether you meet the specific criteria for hEDS.
Your chart may still say "joint hypermobility syndrome" if you were diagnosed years ago. That older label has been replaced, and which newer one fits depends on the exam and your history. It doesn’t depend on how flexible you look in a photo.
| hEDS | HSD | Other EDS types | |
|---|---|---|---|
| What it is | A hypermobile type of EDS | Symptomatic hypermobility that another condition doesn’t explain | Twelve other recognized types |
| How it’s confirmed | Clinical criteria and ruling out other conditions | Clinical assessment | Often a genetic test |
| Gene known? | Not yet identified | Not applicable | Usually yes |
| Who decides | A clinician who has examined you | A clinician who has examined you | A clinician, with lab results |
A table can’t tell you which column you belong in, but it can give you a first question for your clinician. Ask whether they’re evaluating you for hEDS, HSD, or something else, and why.
What are the main symptoms of hEDS?
The core symptoms are joint hypermobility and the pain that comes with it. The researchers at UNC’s MedRAC write that hEDS primarily manifests as joint hypermobility and corresponding acute and chronic pain. They add that stretchy or fragile skin, chronic fatigue and cardiovascular issues are also common.
The symptoms don’t stay in the joints. The same source reports that 52.7% of hEDS patients also have postural orthostatic tachycardia syndrome (POTS), and 27% have general dysautonomia. POTS is a condition where your heart rate jumps when you stand. Dysautonomia is the wider term for when the autonomic nervous system isn’t keeping its balance. That’s the part of your nervous system that runs heart rate, blood pressure, digestion and temperature.
Gut problems such as irritable bowel syndrome, reflux and constipation are common too. If you’ve been told your joints, your heart rate and your stomach are unrelated, you’re not imagining the pattern, and you’re not a list of separate complaints. You’re one person, and these things may be connected. Our post on why heart rates surge while standing explains the POTS side in plain language.
How do clinicians confirm hEDS?
They use clinical criteria and rule out other conditions that could explain the same symptoms. The UNC researchers explain that since there is no identified genetic marker for hEDS as of yet, diagnostic criteria are primarily based on clinical presentation.
In practice, a clinician examines your joints and skin, asks about your family history and your symptoms across body systems, and considers other explanations. A checklist you fill in at home can’t make this diagnosis, though it can help you gather your story before the visit.
The limitation is real, and the same source names it. Providers are often unfamiliar with the hEDS criteria, compared with the straightforward genetic tests available for other EDS types. That’s one reason people wait so long for an answer. For more on the process, read our piece on current advancements in diagnosing EDS.
Is a genetic or blood test for hEDS coming?
Research is moving, but there is no test you can ask for today. A genome-wide study posted as a preprint on medRxiv scanned DNA from 1,815 cases and 5,008 ancestry-matched controls. It reported that two loci, which are spots in the DNA, reached genome-wide significance, meaning the signal was strong enough to stand out from chance. One of them is a regulatory region near a gene called ACKR3. A preprint hasn’t been through peer review yet, so treat it as an early signal.
A separate summary from The EDS Clinic describes a blood biomarker study of 466 adults. It says that if validated, the findings could lead to the first blood test for hEDS and HSD, potentially reducing the average diagnostic timeline of 12 years. A better test may come and would help people get answers sooner. Until then, diagnosis rests on a clinician who knows what to look for.
What does it mean for you and your family?
hEDS is lifelong, and it can be inherited. Mayo Clinic states that if you have hypermobile EDS, there’s a 50% chance that you will pass it to each of your children. It also says there is no cure for Ehlers-Danlos syndrome, but treatment can help manage symptoms and lessen complications.
I’d rather you hear this plainly from me. We don’t claim to cure or reverse EDS or any genetic condition, and we can’t change the connective tissue you were born with.
What we focus on is the nervous system that’s reacting to it. I often compare pain to the warning light on a car’s dashboard, because covering the light doesn’t repair the engine. At The Spero Clinic, we work to restore balance and function across the central and autonomic nervous system, in person, for people who’ve been through a lot of fragmented care.
That approach isn’t for everyone, and it doesn’t replace the genetics workup, specialist care or emergency treatment you may still need. If you want to see what treatment options people usually ask about, start with our guide to hypermobile EDS treatments.
Common mistakes after hearing "hEDS"
Treating the label as the whole story is the easiest trap. A diagnosis names a pattern, but it doesn’t tell you which symptoms will be worst or what will help. You are a person with a history, not a line on a chart.
Plenty of double-jointed people are fine, so being flexible doesn’t mean you have hEDS. Hypermobile joints are common, and hEDS is a specific diagnosis that needs a proper evaluation.
If your joints, heart rate and gut each have their own specialist, nobody may be looking at how they connect, and chasing one symptom at a time keeps that gap open. Ask each clinician what they think the others are seeing.
Then there’s the quiz or video that tells you what you have. A checklist can start a conversation with a clinician, but it can’t end one, and it can leave you panicking over something you don’t have or dismissing something you do.
FAQ
What are the main symptoms of hEDS?
The main symptoms are joint hypermobility, joint instability and pain. Many people also have fatigue, stretchy or fragile skin, a racing heart when standing, and gut problems like reflux or constipation. Symptoms vary a lot from person to person, so a clinician has to look at your whole pattern.
What shouldn’t you do with hEDS?
There’s no single list that fits everyone. In general, don’t push joints to the end of their range, don’t diagnose yourself from a quiz, and don’t stop any prescribed medicine without talking to your prescriber. Ask a clinician who knows EDS what is safe for your joints.
What does a hEDS flare feel like?
Patients use the word for a stretch when pain, fatigue or joint instability run worse than usual, and it looks different from person to person.
What is the life expectancy of someone with hEDS?
We can’t source a reliable figure, so we won’t give one. Mayo Clinic notes that some rare forms of EDS can lead to life-threatening health issues, which is why confirming your type matters. Ask your clinician which type you have and what to watch for.
One thing to do today
Write a one-page timeline of your symptoms, from the first joint problem you remember to now, and add anything similar in your family. Bring it to your next appointment. If you’d like a second set of eyes on it, schedule a free discovery call and we’ll listen to the full picture and tell you honestly whether Spero is a fit.
