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    A Guide to Ankylosing Spondylitis Symptoms: Causes & Diagnosis

    • Wellness Blog

    • 20 Aug 2026

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      Bajaj General Insurance

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    Waking up with a stiff lower back might be more than standard morning stiffness. It could be one of the primary ankylosing spondylitis symptoms. This inflammatory disease primarily affects your spine and causes chronic pain and reduced flexibility.

    Many people can feel symptoms such as hip pain, neck pain or fatigue. So, if you are wondering what are the signs of ankylosing spondylitis, you have come to the right place. 

    Understanding the condition early is crucial for managing your well-being. Let us dive into the signs and causes, and discuss how getting a timely diagnosis can help you take control of your long-term spinal health.

    What are the Ankylosing Spondylitis Symptoms?

    Ankylosing spondylitis symptoms develop gradually in people. Many people experience a unique combination of symptoms that come and go. The inflammation primarily targets your sacroiliac joints, where the base of your spine meets your pelvis.

    Early Signs of Ankylosing Spondylitis

    The early signs of ankylosing spondylitis typically surface in late adolescence or early adulthood. The pain behaves in a very specific and recognisable pattern:

    1. A persistent, dull ache in your lower back and buttocks.

    2. Pain that flares up during the second half of the night, often interrupting your sleep.

    3. Morning stiffness that lasts for a minimum of 30 to 60 minutes.

    4. Discomfort that improves with physical movement or a warm shower but worsens when you rest.

    Progressive Signs of Ankylosing Spondylitis

    Over time, the signs of ankylosing spondylitis can progress upwards along the spine. If left untreated, chronic inflammation can cause the vertebrae to fuse, severely limiting your mobility. You might notice:

    1. Neck pain and restricted head movement

    2. Severe fatigue due to systemic inflammation

    3. Pain in peripheral joints, such as hips, shoulders and knees

    4. Rib cage stiffness, making deep breathing difficult

    5. Uveitis (eye inflammation), causing eye pain, light sensitivity and blurred vision

    Ankylosing Spondylitis Symptoms in Females

    Historically, this was viewed as a predominantly male disease, leading to delayed diagnoses for many women. However, the female experience can present differently:

    1. Pain often begins in the neck and radiates downward, rather than starting in the lower back.

    2. Females frequently experience widespread pain in peripheral joints like the wrists, knees, and ankles.

    3. Many women are misdiagnosed, as the symptoms mimic other issues.

    What are the Causes for Ankylosing Spondylitis?

    If you are investigating the causes for ankylosing spondylitis, it is important to know that there is no single trigger. According to the National Institute of Health (NIH), ankylosing spondylitis symptoms stem from a combination of genetic predispositions and immune system responses.

    The Genetic Connection: HLA-B27

    There are more than 60 different genetic mutations that can be the causes for ankylosing spondylitis. However, the primary genetic culprit is a marker known as HLA-B27. If you carry this gene, your risk of developing the condition increases significantly. However, having the gene does not guarantee you will develop the disease, meaning other factors must be at play.

    Environmental and Gut Health Triggers

    Medical experts believe that environmental factors act as a catalyst for those who are genetically predisposed. Bacterial infections, particularly in the gastrointestinal tract, or imbalances in your gut microbiome, can initiate the onset of this disease.

    The Immune System Response

    Ultimately, this is an autoimmune issue. When triggered by a combination of your DNA and environmental factors, your immune system mistakenly begins to attack your own healthy joints and ligaments, resulting in chronic inflammation.

    What are the Risk Factors for Ankylosing Spondylitis Symptoms?

    Understanding your personal risk can help you stay vigilant about early symptoms. Here is a breakdown of the primary risk factors that you should keep in mind:

    Risk Factor

    Description

    Age of Onset

    Symptoms generally begin in late adolescence or early adulthood, mostly between the ages of 17 and 45.

    Genetic Markers

    Testing positive for the HLA-B27 gene remains the strongest known risk factor for the disease.

    Family History

    If a parent or sibling has the condition, your chances of developing it are notably higher.

    Associated Conditions

    A history of Crohn’s disease, ulcerative colitis, or psoriasis increases your susceptibility.

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    How is Ankylosing Spondylitis Diagnosed?

    You must secure a diagnosis of ankylosing spondylitis to prevent irreversible spinal damage. To do this, doctors use a multi-step approach, as back pain is a common symptom for other diseases as well. Let’s understand it below:

    Comprehensive Physical Examinations

    Your doctor will start by testing the range of motion in your spine. They will ask you to bend in various directions and take deep breaths to check your chest expansion. They may also apply pressure to specific areas of your pelvis to locate the exact source of your pain.

    Advanced Imaging Tests

    While standard X-rays can reveal fused bones or severe joint damage, they often look normal in the early stages. To detect the condition early, doctors rely on Magnetic Resonance Imaging (MRI). An MRI can highlight active inflammation in the sacroiliac joints long before permanent bone damage occurs.

    Laboratory Blood Work

    There is no single blood test that definitively diagnoses the condition. However, doctors will test your blood for the HLA-B27 gene. They will also look for elevated markers of systemic inflammation, such as C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR).

    What are the Treatment Options for Ankylosing Spondylitis Symptoms?

    Ankylosing spondylitis does not have a cure. However, there are various treatment options available which will help you manage ankylosing spondylitis symptoms. These include:

    Anti-inflammatory Medications

    Nonsteroidal anti-inflammatory drugs (NSAIDs), such as naproxen and ibuprofen, are typically the first line of defence. They are highly effective at managing daily pain and reducing joint inflammation.

    Targeted Biologic Therapies

    If standard medications are not enough, doctors will prescribe biologics. Advanced drugs such as TNF inhibitors and IL-17 inhibitors can target specific proteins in your immune system to halt the inflammatory process at its source.

    Specialised Physical Therapy

    Movement is crucial for maintaining spinal health. A physical therapist can design a customised routine of stretching and strengthening exercises. This helps maintain your posture, keeps your spine flexible, and eases daily stiffness.

    Surgical Interventions

    Most patients usually do not require surgery. However, in severe cases, your doctor may suggest it. If your joints are heavily damaged, you might require a joint replacement (like a hip replacement) or corrective spinal surgery to restore your posture.

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    The Bottom Line

    Managing ankylosing spondylitis symptoms begins with recognising early symptoms and seeking a prompt diagnosis. While chronic, modern treatments drastically improve your quality of life and preserve mobility, you do not have to fight this alone.

    Prioritise your health, consult your doctor and secure a robust health insurance plan from Bajaj General Insurance to safeguard your medical journey and ensure financial peace of mind.

    Frequently Asked Questions:

    How do I know that I have ankylosing spondylitis?

    You may have it if you experience lower back pain lasting over 3 months that worsens with rest and improves with exercise. If you notice that you are waking up with severe morning stiffness or pain late at night, then those are strong indicators to see a rheumatologist.

    What happens in Stage 1 ankylosing spondylitis?

    In Stage 1, invisible inflammation begins in the sacroiliac joints. You will likely feel a dull ache in your lower back or buttocks. While X-rays remain normal, an MRI can detect this early and active inflammation effectively.

    Is ankylosing spondylitis curable?

    There is currently no cure, but it is highly treatable. With an early diagnosis, targeted biologic medications, and consistent physical therapy, you can successfully manage the pain, prevent spinal damage, and maintain an active lifestyle.

    Disclaimer: The content on this page is generic and shared only for informational and explanatory purposes. It is based on several secondary sources on the internet and is subject to changes. Please consult an expert before making any related decisions.

    Insurance is the subject matter of solicitation. For more details on benefits, exclusions, limitations, terms, and conditions, please read the sales brochure/policy wording carefully before concluding a sale.

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