{"id":6394,"date":"2026-04-23T15:00:00","date_gmt":"2026-04-23T07:00:00","guid":{"rendered":"https:\/\/nowserving.ph\/blog\/?p=6394"},"modified":"2026-04-22T19:33:27","modified_gmt":"2026-04-22T11:33:27","slug":"hemophilia-a-and-b","status":"publish","type":"post","link":"https:\/\/nowserving.ph\/blog\/hemophilia-a-and-b\/","title":{"rendered":"Difference Between Hemophilia A and B: Comparison and When to Visit a Doctor for Treatment"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.wfh.org\/en\/page.aspx?pid=643\" target=\"_blank\" rel=\"noreferrer noopener\">The World Federation of Hemophilia<\/a> estimates that over 1.2 million people worldwide have hemophilia, yet fewer than half are formally diagnosed. In a country<a href=\"https:\/\/nowserving.ph\/blog\/rural-healthcare-access-philippines\/\">where access to specialist care and complete hospital equipment for treatment remains uneven outside Metro Manila<\/a>, knowing the difference between hemophilia A and B and how to manage it early matters.<\/p>\n\n\n\n<p>Both types cause serious bleeding from the underproduction of blood clotting proteins, but the missing protein is different in each case. That difference determines the replacement therapy a patient needs and whether emerging treatments like gene therapy apply. This guide covers the key differences between hemophilia A and B, symptoms, inheritance patterns, and when to visit a doctor for treatment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is Hemophilia?<\/h2>\n\n\n\n<p><a href=\"https:\/\/nowserving.ph\/conditions\/hemophilia\/\">Hemophilia is a rare genetic disorder where the blood cannot clot properly due to a deficiency in a specific clotting factor<\/a>. When bleeding starts, the body triggers a coagulation cascade, a sequence of proteins that work together to seal the wound. A missing or low-functioning protein in that chain means the clot forms slowly or not at all.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/nowserving.ph\/blog\/wp-content\/themes\/veen\/assets\/images\/transparent.gif\" data-lazy=\"true\" data-src=\"https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-what-it-means-1024x683.jpg\" alt=\"hemophilia what it means\" class=\"wp-image-6398\" data-srcset=\"https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-what-it-means-1024x683.jpg 1024w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-what-it-means-300x200.jpg 300w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-what-it-means-768x512.jpg 768w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-what-it-means-100x67.jpg 100w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-what-it-means-675x450.jpg 675w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-what-it-means.jpg 1500w\" data-sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Without treatment, even routine injuries can cause prolonged serious bleeding. Repeated bleeding into joints and muscles causes long-term complications including joint damage, chronic pain, and reduced mobility. In severe cases, internal bleeding can become life-threatening.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hemophilia A and B: The Significant Differences<\/h2>\n\n\n\n<p>The two most common types of hemophilia are caused by deficiencies in different clotting factors.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hemophilia A (Classic Hemophilia)<\/h3>\n\n\n\n<p>Hemophilia A is caused by a deficiency of Factor VIII (Factor 8). It is the most common type of hemophilia, affecting roughly 1 in 5,000 male births globally and accounting for 80 to 85 percent of all cases.<\/p>\n\n\n\n<p><strong>Severity is classified by residual Factor VIII activity:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Severe: Factor VIII activity below 1 percent of normal<\/li>\n\n\n\n<li>Moderate: Factor VIII activity between 1 to 5 percent<\/li>\n\n\n\n<li>Mild: Factor VIII activity between 5 to 40 percent<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Hemophilia B (Christmas Disease)<\/h3>\n\n\n\n<p>Hemophilia B is caused by low levels of Factor IX (Factor 9). It is rarer, affecting roughly 1 in 25,000 male births and accounting for 15 to 20 percent of all hemophilia cases. The name <a href=\"https:\/\/www.csl.com\/we-are-csl\/vita-original-stories\/2025\/explainer-2025-why-is-hemophilia-b-called-christmas-disease\" target=\"_blank\" rel=\"noreferrer noopener\">Christmas disease comes from Stephen Christmas, the first patient<\/a> described in medical literature in 1952.<\/p>\n\n\n\n<p><strong>Severity follows the same scale:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Severe: Factor IX activity below 1 percent of normal<\/li>\n\n\n\n<li>Moderate: Factor IX activity between 1 to 5 percent<\/li>\n\n\n\n<li>Mild: Factor IX activity between 5 to 40 percent<\/li>\n<\/ul>\n\n\n\n<p>The most significant difference between the two types is the specific missing protein. Hemophilia A requires Factor VIII replacement; hemophilia B requires Factor IX replacement. Gene therapy targets and corrects each deficiency separately.<\/p>\n\n\n\n<p><strong><em>NOTE: Severity of hemophilia determines how often and how intensely symptoms appear.<\/em><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Symptoms of Hemophilia A and B<\/h2>\n\n\n\n<p>Because both types disrupt the same coagulation process, the symptoms of hemophilia A and B are clinically similar.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/nowserving.ph\/blog\/wp-content\/themes\/veen\/assets\/images\/transparent.gif\" data-lazy=\"true\" data-src=\"https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-patient-with-bruises-1024x683.jpg\" alt=\"hemophilia patient with bruises\" class=\"wp-image-6399\" data-srcset=\"https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-patient-with-bruises-1024x683.jpg 1024w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-patient-with-bruises-300x200.jpg 300w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-patient-with-bruises-768x512.jpg 768w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-patient-with-bruises-100x67.jpg 100w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-patient-with-bruises-675x450.jpg 675w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-patient-with-bruises.jpg 1500w\" data-sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>Common symptoms include:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prolonged bleeding:<\/strong> Cuts, dental extractions, or surgery bleed far longer than normal and will not stop with standard pressure.<\/li>\n\n\n\n<li><strong>Easy bruising:<\/strong> Minor bumps or light pressure leave bruises that are larger or more frequent than expected.<\/li>\n\n\n\n<li><strong>Joint bleeding (hemarthrosis):<\/strong> Blood collects in the joints, causing swelling, stiffness, and pain, most often in knees, elbows, and ankles.<\/li>\n\n\n\n<li><strong>Muscle bleeding:<\/strong> Blood pools in the muscles, causing deep pain and visible swelling beneath the skin.<\/li>\n\n\n\n<li><strong>Frequent nosebleeds:<\/strong> Unexplained or recurring bleeding from the nose or gums that is difficult to stop.<\/li>\n\n\n\n<li><strong>Blood in urine or stool:<\/strong> Appears during more serious bleeding episodes and should prompt immediate medical evaluation.<\/li>\n<\/ul>\n\n\n\n<p>Severe hemophilia typically causes spontaneous bleeding without an obvious trigger. Mild hemophilia may only appear after surgery, a <a href=\"https:\/\/nowserving.ph\/blog\/teeth-implants-price\/\">tooth extraction<\/a>, or significant trauma.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hemophilia Inheritance Patterns<\/h2>\n\n\n\n<p>Hemophilia is an X-linked recessive disorder. The genes that produce Factor VIII and Factor IX both sit on the X chromosome. Males carry one X and one Y chromosome, so a single defective X chromosome gene is enough to cause the full condition.<\/p>\n\n\n\n<p>Females carry two X chromosomes. A woman with one defective gene is a carrier and usually does not develop hemophilia, though some carriers have low enough factor levels to experience mild bleeding. In rare cases, a female can have hemophilia if both X chromosomes carry the defective gene.<\/p>\n\n\n\n<p>A carrier mother has a 50 percent chance of passing the condition to each son and a 50 percent chance of each daughter becoming a carrier. A father with hemophilia passes the defective X gene to all daughters, who become carriers, but not to any sons. Families with a history of hemophilia A or B can consult a <a href=\"https:\/\/nowserving.ph\/pediatrics-clinical-genetics\/\">pediatrics clinical genetics specialist<\/a> for<a href=\"https:\/\/nowserving.ph\/services\/genetic-screening\/\"> genetic counseling<\/a> and carrier testing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Treatment Options for Hemophilia A and B<\/h2>\n\n\n\n<p>There is no widely available cure for hemophilia yet, but treatment has advanced far enough that most patients live full, active lives with consistent care.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Replacement Therapy<\/h3>\n\n\n\n<p>The standard treatment for both types is replacement therapy: infusing the deficient clotting factor directly into the bloodstream. Hemophilia A is treated with Factor VIII replacement and hemophilia B with Factor IX replacement.<\/p>\n\n\n\n<p>Products can be plasma-derived or recombinant (lab-made). Replacement is given either on demand after a bleeding episode or on a prophylactic schedule to prevent bleeds from occurring. According to the <a href=\"https:\/\/www.cdc.gov\/hemophilia\/treatment\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\">Centers for Disease Control and Prevention<\/a>, prophylactic treatment in severe cases significantly reduces joint damage over time.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gene Therapy<\/h3>\n\n\n\n<p>Gene therapy for severe hemophilia A and B delivers a working copy of the defective gene into liver cells, allowing the body to produce its own clotting factor. Several gene therapy products have been approved in the US and Europe for adults with severe hemophilia. An<a href=\"https:\/\/nowserving.ph\/internal-medicine\/\"> internal medicine doctor<\/a> or <a href=\"https:\/\/nowserving.ph\/hematology\/\">hematologist<\/a> can advise on eligibility and current availability in the Philippines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Physical Therapy and Joint Care<\/h3>\n\n\n\n<p>Repeated joint bleeds damage cartilage and bone over time.<a href=\"https:\/\/nowserving.ph\/physical-therapy\/\"> Physical therapists<\/a> with experience in bleeding disorders help patients strengthen muscles around affected joints, restore range of motion, and reduce chronic pain without triggering further bleeding episodes.<\/p>\n\n\n\n<p>The cost of hemophilia treatment can be expensive due to its intensive form of treatments. If you have <a href=\"https:\/\/nowserving.ph\/hmo\/\">health insurance like an HMO<\/a>, you can check with your provider if your plan can cover the expenses.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"681\" src=\"https:\/\/nowserving.ph\/blog\/wp-content\/themes\/veen\/assets\/images\/transparent.gif\" data-lazy=\"true\" data-src=\"https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/blood-chem-for-hemophilia-testing-1024x681.jpg\" alt=\"blood chem for hemophilia testing\" class=\"wp-image-6400\" data-srcset=\"https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/blood-chem-for-hemophilia-testing-1024x681.jpg 1024w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/blood-chem-for-hemophilia-testing-300x200.jpg 300w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/blood-chem-for-hemophilia-testing-768x511.jpg 768w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/blood-chem-for-hemophilia-testing-100x67.jpg 100w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/blood-chem-for-hemophilia-testing-676x450.jpg 676w, https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/blood-chem-for-hemophilia-testing.jpg 1500w\" data-sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">When to Visit a Doctor for Hemophilia Treatment<\/h2>\n\n\n\n<p>Seek medical evaluation if you or your child experiences any of the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bleeding that does not stop after 10 to 15 minutes of firm pressure<\/li>\n\n\n\n<li>A <a href=\"https:\/\/nowserving.ph\/conditions\/joint-pain\/\">swollen, hot, or stiff joint<\/a> after minor contact<\/li>\n\n\n\n<li><a href=\"https:\/\/nowserving.ph\/blog\/headache-location\/\">Severe headache<\/a>, neck stiffness, or vomiting after a head injury (possible intracranial bleeding)<\/li>\n\n\n\n<li>Blood in urine or stool without a clear cause<\/li>\n\n\n\n<li>A family history of hemophilia A or B with no prior factor level testing<\/li>\n<\/ul>\n\n\n\n<p>A <a href=\"https:\/\/nowserving.ph\/hematology\/\">hematologist on NowServing<\/a> can confirm the diagnosis with a blood test measuring factor activity levels, classify the severity of hemophilia, and build a long-term treatment plan. For children, a <a href=\"https:\/\/nowserving.ph\/pediatrics-hematology\/\">pediatric hematology specialist<\/a> can provide age-appropriate management. Early diagnosis lowers the risk of joint complications and reduces the chance of developing antibodies (inhibitors) that block replacement therapy from working.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/nowserving.ph\/ent-otorhinolaryngology\/\"><strong><em><span style=\"text-decoration: underline;\">If you&#8217;re suffering from head and neck problems, consider visiting an ENT specialist for further examination.<\/span><\/em><\/strong><\/a><\/h4>\n\n\n\n<h2 class=\"wp-block-heading\">How to Book A Consultation with A Hemophilia Specialist on NowServing<\/h2>\n\n\n\n<p>Getting a correct diagnosis is important, especially with life-threatening conditions like hemophilia. If you need a doctor consultation anytime and anywhere, you can use NowServing to connect with doctors in the Philippines. You can also find specific specialists near your area or if you need someone who is available now, this healthcare platform can help you book an appointment.<\/p>\n\n\n\n<p><strong>Here&#8217;s how:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Open the NowServing app and find Hemophilia in the list of conditions<\/li>\n\n\n\n<li>Browse the doctor directory and find your preferred doctor there (Hematologist, Pediatric-Hematologist, etc.)<\/li>\n\n\n\n<li>Book an appointment and wait for the doctor to accept your booking<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/nowserving.ph\/hospital\/\"><strong><em><span style=\"text-decoration: underline;\">If you prefer to find a specialist that works at a hospital in your city, feel free to browse NowServing&#8217;s hospital directory.<\/span><\/em><\/strong><\/a><\/h4>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions (FAQs) About Hemophilia A &amp; B<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Can my hemophilia a and b be cured by doctors?<\/h3>\n\n\n\n<p>No, there&#8217;s no total cure for hemophilia yet, but with early detection and management of this disease, you can prevent life and death situations. Some of the common forms of treatment involve gene therapy and replacement therapy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the difference between hemophilia A and B?<\/h3>\n\n\n\n<p>Hemophilia A is caused by a deficiency of Factor VIII, while hemophilia B involves low levels of Factor IX. Hemophilia A is the most common type, accounting for 80 to 85 percent of all cases. Both types cause similar bleeding symptoms but require separate replacement therapies.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What are the types of hemophilia?<\/h3>\n\n\n\n<p>Hemophilia A and B are the most common types. A third type, Hemophilia C, involves Factor XI deficiency, is far rarer, and affects both males and females.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can hemophilia affect women?<\/h3>\n\n\n\n<p>Women are usually carriers rather than patients. In rare cases where both X chromosomes carry the defective gene, a female can develop hemophilia. Some carriers also experience mild bleeding symptoms due to lower-than-normal factor levels.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Is gene therapy available for hemophilia in the Philippines?<\/h3>\n\n\n\n<p>Gene therapy for severe hemophilia A and B has been approved in the US and Europe for adults. Availability in the Philippines is still limited, but hematologists at dedicated hemophilia treatment centers can advise on access, international referrals, and active clinical trials.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What were bloodborne viruses historically linked to hemophilia treatment?<\/h3>\n\n\n\n<p>Before modern screening, plasma-derived clotting factors carried the risk of transmitting bloodborne viruses, including HIV and hepatitis C. Current plasma-derived products undergo rigorous viral inactivation processes and are considered safe. Recombinant factor products carry no risk of bloodborne virus transmission.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Hemophilia A and B share the same painful reality but differ in the specific missing protein, the treatment used, and the gene therapy available. Factor VIII deficiency and Factor IX deficiency each have their own management path, and identifying the correct type early makes a lasting difference in outcomes.<\/p>\n\n\n\n<p>If you suspect hemophilia in yourself or a child, <a href=\"https:\/\/nowserving.ph\/conditions\/hemophilia\/\" target=\"_blank\" rel=\"noreferrer noopener\">find a doctor who treats hemophilia on NowServing<\/a> like <a href=\"https:\/\/nowserving.ph\/hematology\/\" target=\"_blank\" rel=\"noreferrer noopener\">hematologists<\/a> to get tested, confirm the type, and start a treatment plan before complications develop.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The World Federation of Hemophilia estimates that over 1.2 million people worldwide have hemophilia, yet fewer than half are formally diagnosed. In a countrywhere access&#8230;<\/p>\n","protected":false},"author":3,"featured_media":6397,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Hemophilia A and B: Differences, Symptoms & Treatment","_yoast_wpseo_metadesc":"Learn the difference between hemophilia A and B, symptoms, and treatment options. Find a hematologist on NowServing for consultation today.","footnotes":""},"categories":[3423],"tags":[3494,3476,3490,3459,3488,3484,3461,612,3482,3465,3432,3453,3425,3440,3469,3493,3439,3434,3426,3431,3451,3463,3435,3457,3470,3487,3447,3460,3489,3448,3478,3433,3445,3479,3475,3452,323,3427,3471],"class_list":["post-6394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hemophilia","tag-bleeding","tag-bloodborne-viruses","tag-chromosome","tag-classic-hemophilia","tag-clot","tag-coagulation","tag-common-types-of-hemophilia","tag-complications","tag-deficiency","tag-drug-administration","tag-factor-ix","tag-factor-ix-replacement","tag-factor-viii","tag-gene-therapy","tag-general-population","tag-hemophilia","tag-hemophilia-a","tag-hemophilia-a-b","tag-hemophilia-a-and-b","tag-hemophilia-b","tag-hemophilia-inheritance-patterns","tag-hemophilia-treatment-center","tag-level-of-factors-ix","tag-liver-cells","tag-low-levels-of-factor-ix","tag-missing-protein","tag-most-common-types-of-hemophilia","tag-physical-therapists","tag-rare-cases","tag-replacement-therapy","tag-serious-bleeding","tag-severe-hemophilia","tag-severe-hemophilia-a","tag-severity-of-hemophilia","tag-significant-difference","tag-symptoms-of-hemophilia","tag-treatment-options","tag-types-of-hemophilia","tag-underproduction-of-blood"],"featured_image_src":"https:\/\/nowserving.ph\/blog\/wp-content\/uploads\/2026\/04\/hemophilia-a-and-b-scaled.jpg","author_info":{"display_name":"angelikama321","author_link":"https:\/\/nowserving.ph\/blog\/author\/nowservingph\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hemophilia A and B: Differences, Symptoms &amp; Treatment<\/title>\n<meta name=\"description\" content=\"Learn the difference between hemophilia A and B, symptoms, and treatment options. 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