I think I might have ADHD – but is it worth getting a diagnosis?

An adult ADHD diagnosis can transform how someone understands their past, present and future, replacing blame with clarity and opening the door to self-acceptance.

I’ve been debating for months — no, years — should I get an ADHD diagnosis? Is it worth it? What will I gain? I have so many of the traits, but I manage, and something is holding me back making it formal. The one time I did try, speaking to my GP about it a few years ago, she literally laughed at me. ‘You have three kids, and you work. So you lose focus and your house is messy, what do you expect?!’

I’m not the only one who feels like that, I know. This hesitation, the fear of being dismissed, is familiar for many adults with suspected but undiagnosed ADHD. The assumption that you’re just jumping on a band waggon can make it hard to pursue diagnosis.

But once that confirmation comes, I’m told it often brings a sense of clarity — and sometimes, a mix of grief and relief. I speak to the experts to find out more.

A shift in perspective about adult ADHD

“When you receive an ADHD diagnosis in your forties, or even after that, it’s rarely just relief. It’s relief and grief at the same time — relief at finally understanding yourself, and grief for the years you spent blaming yourself,” says Dr Samantha Hiew, founder of ADHD Girls. “Once you know, you can’t unknow your personal truth. A diagnosis becomes a lens through which you reinterpret your entire life.”

Many people with undiagnosed ADHD have often hidden it for years, and suffered years of internalised shame and self-blame. The feeling like everyone else can do this stuff, so why can’t I? “Sometimes you just think you’re bad at life,” says ADHD coach Pollyanna Downes.

“There’s evidence that we internalise stigma,” says Professor James Brown, author of Focus: The ADHD Guide to Productivity (That Actually Works) and host of ADHD Adults podcast. “We don’t say, ‘I was late for that meeting.’ We say, ‘I am unreliable.’ That becomes identity.”

These patterns, when they’re repeated time and again, are also reinforced by society. We are shown the productivity advice, the morning routines, and look at our own struggles. “We grow up being told to try harder. Eventually you believe you just aren’t trying hard enough,” Professor Brown says.

Without a diagnosis, individuals often don’t see a pattern to their struggles, leading to frustration and guilt. But once ADHD is understood, everything begins to make sense. “Without a diagnosis, you personalise everything. You don’t see a pattern — you see a character flaw,” Professor Brown explains.

He says this is where he says the diagnosis provides relief — you realise it’s not about being lazy or unreliable; it’s about struggling with regulation: ultimately, our brains are just wired differently.

A reframed identity: The benefits of late diagnosis

When I ask Dr Hiew about the benefits of diagnosis, she says this is key. “For many people, diagnosis isn’t about productivity — it’s about validation. It explains why certain things felt harder than they were ‘supposed’ to,” she says.

“It gave me a language to explain myself,” says Sam Brown, co-author of Focus: The ADHD Guide to Productivity (That Actually Works). Many adults describe this, and a profound sense of relief after diagnosis. Finally, the internal struggles can be communicated, reducing misunderstandings in relationships and at work. “I could finally tell people: ‘I care about you — my brain just works differently.’”

Professor Brown highlights the additional benefits a diagnosis provides: “There are three benefits to diagnosis: access to medication, workplace protection, and understanding yourself.” This newfound understanding can make daily life more manageable, with tools to navigate work, personal relationships, and self-care.

Reclaiming your life: The relief of ADHD diagnosis

Ultimately, all the experts tell me that a late ADHD diagnosis offers the opportunity for self-acceptance. “Diagnosis doesn’t change the past — but it completely changes the story you tell about it,” Professor Brown explains. He says it allows people to reflect on experiences with compassion, understanding why you struggled without blaming yourself.

“When I found out, a few years ago, knowing it was ADHD meant the shame and self-blame could finally start to lift,” says Downes. This is a turning point, where people can let go of the narrative of inadequacy and instead embrace their neurodivergence as part of their unique identity. “It’s not about fixing myself — it’s about understanding myself,” Downes adds.

A new beginning

When you’re just starting out, the journey to a late ADHD diagnosis can feel overwhelming, filled with mixed emotions of grief and relief. But many people say it marks the beginning of a new chapter — one of self-awareness and acceptance. “It explains the near-misses. You realise there was a pattern all along,” says Professor Brown says.

So, if you, like me, are sitting with the question, “Should I get an ADHD diagnosis?” the answer from our experts is simply, why not? We’ve got everything to gain, and little to lose. Better late than never, after all…

Meet the Experts

Dr Samantha Hiew is founder of ADHD Girls.

Pollyanna Downes is an experienced executive & personal coach who supports her clients to become the best version of themselves and specialises in ADHD.

Professor James Brown is the author of Focus: The ADHD Guide to Productivity (That Actually Works) and host of ADHD Adults podcast

Sam Brown is co-author of Focus: The ADHD Guide to Productivity (That Actually Works) and co-host of ADHD Adults podcast