--- title: "Why TBI Signs & Symptoms Are Hard to Identify" description: "TBI is often called the 'invisible injury.' Symptoms may overlap with other conditions, be delayed, or be masked by pain from other injuries." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "LegalService", "@id": "https://bikebrainlaw.com/#organization", "name": "Colorado Brain Injury & Bike Crash Attorneys | Bike Brain Law", "description": "Colorado brain injury and cycling accident attorneys serving Denver, Boulder, Fort Collins and statewide. Specialized TBI representation. Free consultation. Call 303.831.1116.", "url": "https://bikebrainlaw.com", "image": "https://bikebrainlaw.com/og-image.png" }, { "@context": "https://schema.org", "@type": "BlogPosting", "@id": "https://bikebrainlaw.com/blog/why-tbi-symptoms-are-difficult-to-identify#blogposting", "isPartOf": { "@type": "Blog", "@id": "https://bikebrainlaw.com/blog#blog", "name": "Bike Brain Law Blog" }, "mainEntityOfPage": { "@type": "WebPage", "@id": "https://bikebrainlaw.com/blog/why-tbi-symptoms-are-difficult-to-identify" }, "url": "https://bikebrainlaw.com/blog/why-tbi-symptoms-are-difficult-to-identify", "headline": "Why Brain Injury Signs and Symptoms Can Be Difficult to Identify", "name": "Why Brain Injury Signs and Symptoms Can Be Difficult to Identify", "description": "TBI is often called the 'invisible injury.' Symptoms may overlap with other conditions, be delayed, or be masked by pain from other injuries.", "image": { "@type": "ImageObject", "@id": "https://bikebrainlaw.com/blog/why-tbi-symptoms-are-difficult-to-identify#primaryimage", "url": "https://bikebrainlaw.com/images/content/img_6114.jpg", "contentUrl": "https://bikebrainlaw.com/images/content/img_6114.jpg", "caption": "Cyclist on a Colorado road at sunset", "description": "Cyclist on a Colorado road at sunset", "representativeOfPage": true }, "primaryImageOfPage": { "@type": "ImageObject", "@id": "https://bikebrainlaw.com/blog/why-tbi-symptoms-are-difficult-to-identify#primaryimage", "url": "https://bikebrainlaw.com/images/content/img_6114.jpg", "contentUrl": "https://bikebrainlaw.com/images/content/img_6114.jpg", "caption": "Cyclist on a Colorado road at sunset", "description": "Cyclist on a Colorado road at sunset", "representativeOfPage": true }, "thumbnailUrl": "https://bikebrainlaw.com/images/content/img_6114.jpg", "datePublished": "2025-12-11T15:00:00.000Z", "dateModified": "2025-12-11T15:00:00.000Z", "inLanguage": "en-US", "articleSection": "Brain Injury", "keywords": "Brain Injury, Colorado, personal injury, TBI, cycling accident", "timeRequired": "PT1M", "articleBody": "A brain injury is referred to as an invisible injury, and there are many symptoms that may appear related to other common health conditions or problems. Some brain injury symptoms are immediate, while others may be delayed for hours, days, or months. Signs and symptoms may be intermittent, occur alone, or in varying combinations. Other injuries like pain from broken bones may mask brain injury symptoms. A brain injured person may not realize their injury because they are not aware of their problem due to their brain injury. A brain injured person may not be a reliable historian due to their injury and no one witnessed the event to confirm whether they hit their head, lost consciousness, had a seizure at the scene, were dazed and confused, or had balance issues. It is also not unusual for a brain injured person to not admit their injury or blame their injury on something else out of fear, embarrassment, or shame. This can cause delays in diagnosis, treatment, and protecting a brain injured person's legal rights. If you, or someone you know was involved in an incident like a car or bike crash, a fall, or were hit by a falling object, it is important to seek medical attention immediately from a doctor trained in diagnosing brain injuries. Early intervention could save a life.", "commentCount": 0, "additionalProperty": [ { "@type": "PropertyValue", "name": "readingTime", "value": "1 min read", "unitText": "minutes", "unitCode": "MIN" }, { "@type": "PropertyValue", "name": "wordCount", "unitText": "words" }, { "@type": "PropertyValue", "name": "characterCount", "value": 1293, "unitText": "characters" }, { "@type": "PropertyValue", "name": "headingCount", "value": 0 }, { "@type": "PropertyValue", "name": "paragraphCount", "value": 4 }, { "@type": "PropertyValue", "name": "listCount", "value": 0 } ], "author": { "@type": "Person", "@id": "https://bikebrainlaw.com/#dan-dangelo", "name": "Attorney Dan D'Angelo", "jobTitle": "Trial Lawyer · Brain Injury Advocate · Avid Cyclist", "description": "Attorney Dan D'Angelo founded D'Angelo Law Office, P.C. in 2009 and Bike Brain Law to focus exclusively on traumatic brain injury and cycling injury cases in Colorado. An avid cyclist himself, Dan combines deep TBI science knowledge with hands-on cycling experience to build winning cases against insurance companies and corporations that put profits over safety.", "image": { "@type": "ImageObject", "url": "https://bikebrainlaw.com/images/content/20231015_dangelo_dan_square_076.jpg", "contentUrl": "https://bikebrainlaw.com/images/content/20231015_dangelo_dan_square_076.jpg", "caption": "Attorney Dan D'Angelo" }, "url": "https://bikebrainlaw.com/#about", "worksFor": { "@id": "https://bikebrainlaw.com/#organization" } }, "publisher": { "@id": "https://bikebrainlaw.com/#organization" } }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://bikebrainlaw.com" }, { "@type": "ListItem", "position": 2, "name": "Blog", "item": "https://bikebrainlaw.com/blog" }, { "@type": "ListItem", "position": 3, "name": "Why Brain Injury Signs and Symptoms Can Be Difficult to Iden", "item": "https://bikebrainlaw.com/blog/why-tbi-symptoms-are-difficult-to-identify" } ] } ] --- [![Bike Brain Law](/assets/logo-white-CuISKEAM.webp)](/)[303.831.1116](tel:3038311116) Practice Areas Practice Areas - [Brain Injury Focused brain injury representation backed by science, trial experience, and real results. ](/practice-areas/traumatic-brain-injury) - [Cycling Accidents An avid cyclist who fights for injured riders across Colorado. ](/practice-areas/cycling-accidents) - [Bicycle Product Liability Holding manufacturers accountable when defective bike parts cause injuries. ](/practice-areas/bicycle-product-liability) Resources - [Insights & Guides ](/blog) - [Case Results ](/results) - Our Process - FAQs Service Areas - [Denver](/service-areas/denver) - [Boulder](/service-areas/boulder) - [Fort Collins](/service-areas/fort-collins) - [Golden](/service-areas/golden) - [Colorado Springs](/service-areas/colorado-springs) - [Aurora](/service-areas/aurora) Featured [ ![Attorney Dan D'Angelo](/assets/dan-dangelo-headshot-DJ4GY3yR.jpg) Meet Attorney Dan D'Angelo Trial lawyer, trusted brain injury advocate, avid cyclist. Learn more ](/) Free consultation · No fee unless we win. Talk to Dan AboutTestimonials[Results](/results)FAQsContact[Insights & Guides](/blog)Free Consultation [](tel:3038311116) [All articles](/blog) [Brain Injury](/blog/brain-injury)· December 11, 2025· 1 min read # Why Brain Injury Signs and Symptoms Can Be Difficult to Identify TBI is often called the 'invisible injury.' Symptoms may overlap with other conditions, be delayed, or be masked by pain from other injuries. ![Dan D'Angelo](/images/content/20231015_dangelo_dan_square_076.jpg) By Attorney Dan D'Angelo Trial Lawyer · Brain Injury Advocate · Avid Cyclist ![Cyclist on a Colorado road at sunset](/images/content/img_6114.jpg) A brain injury is referred to as an invisible injury, and there are many symptoms that may appear related to other common health conditions or problems. Some brain injury symptoms are immediate, while others may be delayed for hours, days, or months. Signs and symptoms may be intermittent, occur alone, or in varying combinations. Other injuries like pain from broken bones may mask brain injury symptoms. A brain injured person may not realize their injury because they are not aware of their problem due to their brain injury. A brain injured person may not be a reliable historian due to their injury and no one witnessed the event to confirm whether they hit their head, lost consciousness, had a seizure at the scene, were dazed and confused, or had balance issues. It is also not unusual for a brain injured person to not admit their injury or blame their injury on something else out of fear, embarrassment, or shame. This can cause delays in diagnosis, treatment, and protecting a brain injured person's legal rights. If you, or someone you know was involved in an incident like a car or bike crash, a fall, or were hit by a falling object, it is important to seek medical attention immediately from a doctor trained in diagnosing brain injuries. Early intervention could save a life. Related from Bike Brain Law - [Traumatic Brain Injury Claims How we build winning TBI cases against insurers. ](/#practice-areas) - [TBI & Injury FAQs Answers to the questions brain injury victims ask most. ](/#faqs) - [Our Case Process What to expect from consultation to settlement. ](/#process) Free, confidential case review ### Injured in a brain injury or serious accident in Colorado? Talk directly with Attorney Dan D'Angelo for a free consultation with zero obligation to find out where you stand. [Get My Free Consultation](/#contact) [303.831.1116](tel:3038311116) ## Have a question about your case? Attorney Dan D'Angelo offers free consultations for brain injury and cycling accident victims throughout Colorado. [Free Consultation](/#contact) [303.831.1116](tel:3038311116) ![Dan D'Angelo](/images/content/20231015_dangelo_dan_square_076.jpg) About the Author ### Attorney Dan D'Angelo Trial Lawyer · Brain Injury Advocate · Avid Cyclist Attorney Dan D'Angelo founded D'Angelo Law Office, P.C. in 2009 and Bike Brain Law to focus exclusively on traumatic brain injury and cycling injury cases in Colorado. An avid cyclist himself, Dan combines deep TBI science knowledge with hands-on cycling experience to build winning cases against insurance companies and corporations that put profits over safety. - Practicing Colorado personal injury attorney since 2009 - Focused practice in TBI and bicycle injury litigation - Multi-million dollar settlements and verdicts for injury victims - Avid road and commuter cyclist ## Related articles [ ![Brain imaging scans on a medical lightbox](/images/content/img_7090.jpg) #### Can a Denver Attorney Take My Traumatic Brain Injury Case to Trial? ](/blog/can-a-denver-attorney-take-my-tbi-case-to-trial)[ ![Racks of bicycles at a train station](https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/4aa19bbd-3cb5-4c36-a7ac-e40bf22d19ed.jpeg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy80YWExOWJiZC0zY2I1LTRjMzYtYTdhYy1lNDBiZjIyZDE5ZWQuanBlZyIsInNjb3BlIjoiZG93bmxvYWQiLCJpYXQiOjE3ODUzNDY3NTksImV4cCI6MjEwMDcwNjc1OX0.xJyXEWuIgBqj1qmDqQQdai23W09gRBBqooyEtV3uisw) #### Why loss of consciousness is difficult to spot and why it's so important to your legal case. ](/blog/why-loss-of-consciousness-is-difficult-to-spot-and-how-to-identify-it)[ ![Treelined path with cyclist posing at the end](https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/55e622d3-709b-4210-a141-ac41b5765070.jpg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy81NWU2MjJkMy03MDliLTQyMTAtYTE0MS1hYzQxYjU3NjUwNzAuanBnIiwic2NvcGUiOiJkb3dubG9hZCIsImlhdCI6MTc4NTM1MDA4MiwiZXhwIjoyMTAwNzEwMDgyfQ.y_WQrz9NT3BkAoSyOlpdMw9IrxR3LDOQRK0TKozc9dA) #### How long do brain injury symptoms last? ](/blog/how-long-do-brain-injury-symptoms-last) [![Bike Brain Law](/assets/logo-white-CuISKEAM.webp)](/) Colorado's dedicated brain injury and cycling accident attorney. 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