{"id":11417857,"date":"2026-10-18T17:31:02","date_gmt":"2026-10-18T14:31:02","guid":{"rendered":"https:\/\/nostylelike.net\/methotrexate-blood-tests\/"},"modified":"2026-10-18T17:42:13","modified_gmt":"2026-10-18T14:42:13","slug":"methotrexate-blood-tests","status":"publish","type":"post","link":"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/","title":{"rendered":"Methotrexate Blood Tests: What Are They and How Often? 6 Checks That Keep You Safe"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#Why_Does_Your_Doctor_Keep_Ordering_Methotrexate_Blood_Tests\" >Why Does Your Doctor Keep Ordering Methotrexate Blood Tests?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#1_Methotrexate_Blood_Tests_Before_Starting\" >1. Methotrexate Blood Tests Before Starting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#2_Full_Blood_Count\" >2. Full Blood Count<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#3_Liver_Function\" >3. Liver Function<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#4_Kidney_Function\" >4. Kidney Function<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#5_How_Often_Methotrexate_Blood_Tests_Are_Repeated\" >5. How Often Methotrexate Blood Tests Are Repeated<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#6_Results_That_Mean_You_Should_Call_Your_Doctor\" >6. Results That Mean You Should Call Your Doctor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#Tips_for_Organizing_Your_Methotrexate_Blood_Tests\" >Tips for Organizing Your Methotrexate Blood Tests<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#The_Lungs_Watch_Symptoms_Between_Tests\" >The Lungs: Watch Symptoms Between Tests<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#Frequently_Asked_Questions_About_Methotrexate_Blood_Tests\" >Frequently Asked Questions About Methotrexate Blood Tests<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#Can_methotrexate_blood_tests_be_done_at_any_lab\" >Can methotrexate blood tests be done at any lab?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#Do_I_need_to_fast_before_the_test\" >Do I need to fast before the test?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#Do_the_tests_continue_for_the_whole_treatment\" >Do the tests continue for the whole treatment?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#Will_I_need_a_liver_scan\" >Will I need a liver scan?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#What_if_I_miss_a_scheduled_test\" >What if I miss a scheduled test?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/nostylelike.net\/en\/methotrexate-blood-tests\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"top\"><span class=\"ez-toc-section\" id=\"Why_Does_Your_Doctor_Keep_Ordering_Methotrexate_Blood_Tests\"><\/span>Why Does Your Doctor Keep Ordering Methotrexate Blood Tests?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Methotrexate is very effective for rheumatoid arthritis and psoriasis, but it can affect the blood, liver and lungs. That is why <strong>methotrexate blood tests<\/strong> are a core part of treatment rather than a routine you can skip. Here are 6 important checks and how often they are repeated.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"1_Methotrexate_Blood_Tests_Before_Starting\"><\/span>1. Methotrexate Blood Tests Before Starting<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>A full blood count.<\/li>\n<li>Liver function, including liver enzymes and albumin.<\/li>\n<li>Kidney function, such as creatinine.<\/li>\n<li>Hepatitis B and C, and sometimes HIV.<\/li>\n<li>A chest X-ray in many cases.<\/li>\n<li>A pregnancy test for women of childbearing age.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"2_Full_Blood_Count\"><\/span>2. Full Blood Count<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This shows drops in white cells, platelets or hemoglobin, which are among the most serious effects of methotrexate. Doctors also look at red cell size, since a rise can point to low folate.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"3_Liver_Function\"><\/span>3. Liver Function<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Methotrexate can raise liver enzymes, especially with alcohol, obesity or diabetes. If enzymes rise to more than two or three times the upper limit, or albumin falls without explanation, the doctor may lower the dose or pause the drug.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"4_Kidney_Function\"><\/span>4. Kidney Function<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Methotrexate leaves the body through the kidneys, so if kidney function falls the drug builds up and becomes more toxic. The doctor therefore watches creatinine and adjusts the <a href=\"https:\/\/nostylelike.net\/en\/methotrexate-dosage\/\">methotrexate dosage<\/a> if it rises clearly.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_How_Often_Methotrexate_Blood_Tests_Are_Repeated\"><\/span>5. How Often Methotrexate Blood Tests Are Repeated<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Guidelines from medical societies often recommend:<\/p>\n<ul>\n<li>Every two weeks until the dose has been stable for 6 weeks.<\/li>\n<li>Then monthly for 3 months.<\/li>\n<li>Then every 3 months while things stay stable.<\/li>\n<li>Back to every two weeks for a while after any dose increase.<\/li>\n<\/ul>\n<p>Your schedule may differ depending on your condition and your doctor&#8217;s advice.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Results_That_Mean_You_Should_Call_Your_Doctor\"><\/span>6. Results That Mean You Should Call Your Doctor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>White cells below about 3,500 or platelets below about 140,000.<\/li>\n<li>Clearly raised liver enzymes.<\/li>\n<li>A sudden rise in creatinine.<\/li>\n<li>Symptoms such as fever, a dry cough, breathlessness or bruising, even if blood tests are normal.<\/li>\n<\/ul>\n<p>Folic acid reduces liver and blood changes; read <a href=\"https:\/\/nostylelike.net\/en\/folic-acid-with-methotrexate\/\">folic acid with methotrexate<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tips_for_Organizing_Your_Methotrexate_Blood_Tests\"><\/span>Tips for Organizing Your Methotrexate Blood Tests<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Keep a file or photos of every result with its date.<\/li>\n<li>Have blood taken a day or two before your weekly dose if your doctor prefers.<\/li>\n<li>Avoid alcohol and keep a healthy weight to protect your liver.<\/li>\n<li>Tell the lab and your doctor about any new medicine.<\/li>\n<\/ul>\n<p>To understand why methotrexate is prescribed in the first place, read <a href=\"https:\/\/nostylelike.net\/en\/methotrexate-uses\/\">methotrexate uses<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_Lungs_Watch_Symptoms_Between_Tests\"><\/span>The Lungs: Watch Symptoms Between Tests<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A rare but important side effect is methotrexate-related lung inflammation, and no blood test detects it early. That is why a baseline chest X-ray is often taken, and why you should report any persistent dry cough, breathlessness or fever right away.<\/p>\n<p>Watching for symptoms complements methotrexate blood tests, so do not wait for your next appointment if these signs appear. Live vaccines should also be avoided during treatment; discuss flu and pneumonia vaccines with your doctor.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_About_Methotrexate_Blood_Tests\"><\/span>Frequently Asked Questions About Methotrexate Blood Tests<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Can_methotrexate_blood_tests_be_done_at_any_lab\"><\/span>Can methotrexate blood tests be done at any lab?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. What matters is clear, dated results; using the same lab each time makes it easier to compare readings.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Do_I_need_to_fast_before_the_test\"><\/span>Do I need to fast before the test?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Usually not, unless the doctor also orders tests such as blood sugar or cholesterol.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Do_the_tests_continue_for_the_whole_treatment\"><\/span>Do the tests continue for the whole treatment?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. They become less frequent once you are stable, but they do not stop.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Will_I_need_a_liver_scan\"><\/span>Will I need a liver scan?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In some cases, especially psoriasis patients on long-term treatment, the doctor may order extra tests for liver fibrosis.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_if_I_miss_a_scheduled_test\"><\/span>What if I miss a scheduled test?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Book it as soon as possible and tell your doctor; do not raise the dose until the results are checked.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Methotrexate blood tests are the safety valve of treatment: blood count, liver and kidney tests before starting, then every two weeks, monthly and every 3 months as things stabilize. Keep to the schedule, and find <a href=\"https:\/\/nostylelike.net\/en\/product\/methotrexate-pfizer-2-5-mg-100-tablets\/\">Methotrexate Pfizer 2.5 mg<\/a> at No Style Like Pharmacy with a prescription.<\/p>\n<p style=\"font-size: 0.95em; color: #555; margin-top: 18px;\">This article was reviewed by the No Style Like pharmacy content team. It is for general awareness only. Methotrexate is a prescription medicine to be used only under medical supervision, and this article does not replace your doctor&#8217;s advice.<\/p>\n<p style=\"font-size: 0.95em; color: #555;\">Do not postpone routine tests, and do not continue treatment if your doctor asks you to stop because of an abnormal result. For more information see <a href=\"https:\/\/medlineplus.gov\/druginfo\/meds\/a682019.html\" target=\"_blank\" rel=\"noopener nofollow\">the MedlinePlus methotrexate page<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Methotrexate blood tests before and during treatment: blood count, liver and kidney function, hepatitis screening, how often they are repeated, and results that mean you should call your doctor.<\/p>\n","protected":false},"author":86,"featured_media":11417855,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42204],"tags":[],"class_list":["post-11417857","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dietary-supplements"],"_links":{"self":[{"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/posts\/11417857","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/users\/86"}],"replies":[{"embeddable":true,"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/comments?post=11417857"}],"version-history":[{"count":1,"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/posts\/11417857\/revisions"}],"predecessor-version":[{"id":11417864,"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/posts\/11417857\/revisions\/11417864"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/media\/11417855"}],"wp:attachment":[{"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/media?parent=11417857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/categories?post=11417857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nostylelike.net\/en\/wp-json\/wp\/v2\/tags?post=11417857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}