--- title: "How long do brain injury symptoms last?" description: "While many people recover from mild-TBI within weeks or months, research studies confirm that 24% to 48% of people who suffer a mild-TBI can continue to experience post-concussive symptoms or "PCS" for years after their initial injury." 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/how-long-do-brain-injury-symptoms-last#blogposting", "isPartOf": { "@type": "Blog", "@id": "https://bikebrainlaw.com/blog#blog", "name": "Bike Brain Law Blog" }, "mainEntityOfPage": { "@type": "WebPage", "@id": "https://bikebrainlaw.com/blog/how-long-do-brain-injury-symptoms-last" }, "url": "https://bikebrainlaw.com/blog/how-long-do-brain-injury-symptoms-last", "headline": "How long do brain injury symptoms last?", "name": "How long do brain injury symptoms last?", "description": "Not all symptoms after a concussion or mild TBI go away on their own. Some symptoms called post concussive symptoms or PCS for up to 48% of people may lost more than one year or longer.", "image": { "@type": "ImageObject", "@id": "https://bikebrainlaw.com/blog/how-long-do-brain-injury-symptoms-last#primaryimage", "url": "https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/55e622d3-709b-4210-a141-ac41b5765070.jpg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy81NWU2MjJkMy03MDliLTQyMTAtYTE0MS1hYzQxYjU3NjUwNzAuanBnIiwic2NvcGUiOiJkb3dubG9hZCIsImlhdCI6MTc4NTM1MDA4MiwiZXhwIjoyMTAwNzEwMDgyfQ.y_WQrz9NT3BkAoSyOlpdMw9IrxR3LDOQRK0TKozc9dA", "contentUrl": "https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/55e622d3-709b-4210-a141-ac41b5765070.jpg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy81NWU2MjJkMy03MDliLTQyMTAtYTE0MS1hYzQxYjU3NjUwNzAuanBnIiwic2NvcGUiOiJkb3dubG9hZCIsImlhdCI6MTc4NTM1MDA4MiwiZXhwIjoyMTAwNzEwMDgyfQ.y_WQrz9NT3BkAoSyOlpdMw9IrxR3LDOQRK0TKozc9dA", "caption": "Treelined path with cyclist posing at the end", "description": "Treelined path with cyclist posing at the end", "representativeOfPage": true }, "primaryImageOfPage": { "@type": "ImageObject", "@id": "https://bikebrainlaw.com/blog/how-long-do-brain-injury-symptoms-last#primaryimage", "url": "https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/55e622d3-709b-4210-a141-ac41b5765070.jpg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy81NWU2MjJkMy03MDliLTQyMTAtYTE0MS1hYzQxYjU3NjUwNzAuanBnIiwic2NvcGUiOiJkb3dubG9hZCIsImlhdCI6MTc4NTM1MDA4MiwiZXhwIjoyMTAwNzEwMDgyfQ.y_WQrz9NT3BkAoSyOlpdMw9IrxR3LDOQRK0TKozc9dA", "contentUrl": "https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/55e622d3-709b-4210-a141-ac41b5765070.jpg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy81NWU2MjJkMy03MDliLTQyMTAtYTE0MS1hYzQxYjU3NjUwNzAuanBnIiwic2NvcGUiOiJkb3dubG9hZCIsImlhdCI6MTc4NTM1MDA4MiwiZXhwIjoyMTAwNzEwMDgyfQ.y_WQrz9NT3BkAoSyOlpdMw9IrxR3LDOQRK0TKozc9dA", "caption": "Treelined path with cyclist posing at the end", "description": "Treelined path with cyclist posing at the end", "representativeOfPage": true }, "thumbnailUrl": "https://odfyhkstsknriaebnttc.supabase.co/storage/v1/object/sign/blog-images/55e622d3-709b-4210-a141-ac41b5765070.jpg?token=eyJraWQiOiJzdG9yYWdlLXVybC1zaWduaW5nLWtleV81NTc3MTNiMy1mM2NiLTRjZmEtYmM3Yi0wYmQ0NmVmZjE3ZjIiLCJhbGciOiJIUzI1NiJ9.eyJ1cmwiOiJibG9nLWltYWdlcy81NWU2MjJkMy03MDliLTQyMTAtYTE0MS1hYzQxYjU3NjUwNzAuanBnIiwic2NvcGUiOiJkb3dubG9hZCIsImlhdCI6MTc4NTM1MDA4MiwiZXhwIjoyMTAwNzEwMDgyfQ.y_WQrz9NT3BkAoSyOlpdMw9IrxR3LDOQRK0TKozc9dA", "datePublished": "2026-07-30T15:00:00.000Z", "dateModified": "2026-07-30T15:00:00.000Z", "inLanguage": "en-US", "articleSection": "Brain Injury", "keywords": "Brain Injury, Colorado, personal injury, TBI, cycling accident", "timeRequired": "PT2M", "articleBody": "A Traumatic Brain Injury or \"TBI\" affects people differently, and can cause a range of impairments called post-concussion symptoms or \"PCS.\" Post-concussive symptoms include cognitive symptoms (e.g., difficulty concentrating, slower thinking), somatic symptoms (e.g., headaches, fatigue, dizziness), and emotional symptoms (e.g., irritability, frustration, restlessness). For a more detailed list of various symptoms see our post titled Brain Injury Symptoms & Signs. Brain injury symptoms can be tricky to spot and may appear as other common medical conditions, which makes it vital that you see a medical doctor who can help diagnose whether a brain injury may be the cause of any ongoing symptoms after a bicycle accident or car crash. While many people recover from mild-TBI within weeks or months, research studies confirm that 24% to 48% of people who suffer a mild-TBI can continue to experience post-concussive symptoms or \"PCS\" for years after their initial injury. This article is only for mild-TBIs also sometimes referred to as concussions. For a discussion about the different severity levels of TBI see our post titled Not All Traumatic Brain Injuries Are the Same. The diagnosis may be a \"mild TBI\", but the impact of these symptoms can be severe and life-altering. Even \"so-called\" mild-TBI symptoms can lead to difficultly with school or working, anti-social behavior, changes in demeanor, depression, anxiety, loss of enjoyment of life and activities, and cause many other types of issues for people. Don't be fooled, a concussion or mild TBI is a very serious injury that requires expert medical doctors and experienced lawyers to help recover from both medically and financially. By understanding TBIs and your legal rights, you can take control of your medical and legal recovery and your future. If you have suffered or suspect a brain injury may have occurred from a bicycle accident or car crash we may be able to help. Attorney Dan D'Angelo and Bike Brain Law is here to get you moving in the right direction — combining insider knowledge of cycling with a proven track record in brain injury litigation. If you or a loved one has been injured, contact us for a free consultation.", "commentCount": 0, "additionalProperty": [ { "@type": "PropertyValue", "name": "readingTime", "value": "2 min read", "unitText": "minutes", "unitCode": "MIN" }, { "@type": "PropertyValue", "name": "wordCount", "unitText": "words" }, { "@type": "PropertyValue", "name": "characterCount", "value": 2205, "unitText": "characters" }, { "@type": "PropertyValue", "name": "headingCount", "value": 0 }, { "@type": "PropertyValue", "name": "paragraphCount", "value": 9 }, { "@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": "How long do brain injury symptoms last?", "item": "https://bikebrainlaw.com/blog/how-long-do-brain-injury-symptoms-last" } ] } ] --- [![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)· July 30, 2026· 2 min read # How long do brain injury symptoms last? Not all symptoms after a concussion or mild TBI go away on their own. Some symptoms called post concussive symptoms or PCS for up to 48% of people may lost more than one year or longer. ![Dan D'Angelo](/images/content/20231015_dangelo_dan_square_076.jpg) By Attorney Dan D'Angelo Trial Lawyer · Brain Injury Advocate · Avid Cyclist ![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) A Traumatic Brain Injury or "TBI" affects people differently, and can cause a range of impairments called post-concussion symptoms or "PCS." Post-concussive symptoms include cognitive symptoms (e.g., difficulty concentrating, slower thinking), somatic symptoms (e.g., headaches, fatigue, dizziness), and emotional symptoms (e.g., irritability, frustration, restlessness). For a more detailed list of various symptoms see our post titled [_**Brain Injury Symptoms & Signs**_](https://www.bikebrainlaw.com/blog/brain-injury-symptoms-and-signs). Brain injury symptoms can be tricky to spot and may appear as other common medical conditions, which makes it vital that you see a medical doctor who can help diagnose whether a brain injury may be the cause of any ongoing symptoms after a bicycle accident or car crash. While many people recover from mild-TBI within weeks or months, research studies confirm that 24% to 48% of people who suffer a mild-TBI can continue to experience post-concussive symptoms or "PCS" for years after their initial injury. This article is only for mild-TBIs also sometimes referred to as concussions. For a discussion about the different severity levels of TBI see our post titled [_**Not All Traumatic Brain Injuries Are the Same**_](https://bikebrainlaw.com/blog/not-all-tbis-are-the-same)_**.**_ 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) The diagnosis may be a "mild TBI", but the impact of these symptoms can be severe and life-altering. Even "so-called" mild-TBI symptoms can lead to difficultly with school or working, anti-social behavior, changes in demeanor, depression, anxiety, loss of enjoyment of life and activities, and cause many other types of issues for people. Don't be fooled, a concussion or mild TBI is a very serious injury that requires expert medical doctors and experienced lawyers to help recover from both medically and financially. By understanding TBIs and your legal rights, you can take control of your medical and legal recovery and your future. If you have suffered or suspect a brain injury may have occurred from a bicycle accident or car crash we may be able to help. Attorney Dan D'Angelo and Bike Brain Law is here to get you moving in the right direction — combining insider knowledge of cycling with a proven track record in brain injury litigation. If you or a loved one has been injured, contact us for a free consultation. ## 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)[ ![Attorney Dan D'Angelo on a Spyder bicycle in Colorado](/images/content/dan-on-spyder-bike.jpg) #### Why You Don't Easily Forget How to Ride a Bicycle ](/blog/why-you-dont-forget-how-to-ride-a-bicycle) [![Bike Brain Law](/assets/logo-white-CuISKEAM.webp)](/) Colorado's dedicated brain injury and cycling accident attorney. Serving Denver and communities across Colorado. 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