{"id":459473,"date":"2026-02-05T06:12:13","date_gmt":"2026-02-05T06:12:13","guid":{"rendered":"https:\/\/www.newsbeep.com\/au\/459473\/"},"modified":"2026-02-05T06:12:13","modified_gmt":"2026-02-05T06:12:13","slug":"claire-foy-reveals-internal-parasites-diagnosis-that-forced-her-to-give-up-caffeine","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/au\/459473\/","title":{"rendered":"Claire Foy reveals internal parasites diagnosis that forced her to give up caffeine"},"content":{"rendered":"<p><a href=\"https:\/\/celebrity.nine.com.au\/latest\/claire-foy-why-she-ended-role-on-the-crown\/456e6a9a-af08-4fd2-bab3-a2bf0fc86ae3\" target=\"_blank\" rel=\"nofollow noopener\" title=\"Claire Foy\">Claire Foy<\/a> has revealed that she had to change her diet after finding out that she was housing some <a href=\"https:\/\/celebrity.nine.com.au\/latest\/robert-irwin-spider-in-car-passenger-princess-tiktok\/83491ece-dce7-4880-9840-792e544016c1\" target=\"_blank\" rel=\"nofollow noopener\" title=\"unwanted guests.\">unwanted guests.<\/a><\/p>\n<p>Speaking on the <a href=\"https:\/\/www.youtube.com\/watch?v=FPLO4LWDsnE&amp;t=2s\" target=\"_blank\" rel=\"nofollow noopener\" title=\"Table Manners podcast\">Table Manners podcast<\/a> on Wednesday, the <a href=\"https:\/\/honey.nine.com.au\/the-crown\" target=\"_blank\" rel=\"nofollow noopener\" title=\"The Crown star\">The Crown star<\/a> told hosts Jessie and Lennie Ware that she had given up drinking caffeine, before going on to explain why.<\/p>\n<p>&#8220;Quite a few years ago, I had parasites. Gross,&#8221; she said.<\/p>\n<p>Watch the video above.\ufeff<\/p>\n<p><img decoding=\"async\"  src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/02\/https:\/\/prod.static9.net.au\/fs\/01a6d977-1606-469f-b1c5-1cdab727e020.jpeg\" \/>Claire Foy has revealed she had internal parasites that went undiagnosed for five years. (Getty)<\/p>\n<p>&#8220;I kept losing weight and I didn&#8217;t know what was going on,&#8221; said Foy, 41, who said she thinks she picked up the parasites in <a href=\"https:\/\/travel.nine.com.au\/destinations\/morocco-travel-guide-most-visited-country-in-africa-things-to-do-best-time-to-visit\/6bbf5fa4-df2d-4ad9-89f8-2278058c51e4\" target=\"_blank\" rel=\"nofollow noopener\" title=\"Morocco\">Morocco<\/a>, and had them for &#8220;at least five years&#8221; before she found out.<\/p>\n<p>&#8220;They travel as a pair, I got told by the doctor. Gross, absolutely rank. It&#8217;s disgusting,&#8221; said Foy, who is best known for playing Queen Elizabeth II in the hit Netflix series <a href=\"https:\/\/honey.nine.com.au\/the-crown\" target=\"_blank\" rel=\"nofollow noopener\" title=\"The Crown\">The Crown<\/a>, as well as for roles in the BBC dramas Wolf Hall and A Very British Scandal.<\/p>\n<p>She then made changes to her diet to treat the parasites, she said, as she &#8220;didn&#8217;t want to take really hardcore antibiotics.&#8221;<\/p>\n<p>READ MORE: <a href=\"https:\/\/celebrity.nine.com.au\/latest\/eric-dane-mnd-health-update-nursing-care-rebecca-gayheart-emotional-essay\/626347d3-f3a1-4d6f-aa12-73743d6c5052\" target=\"_blank\" title=\"Eric Dane&#039;s ex gives a sad update amid ongoing health battle\" rel=\"nofollow noopener\">Eric Dane&#8217;s ex gives a sad update amid ongoing health battle<\/a><\/p>\n<p>READ MORE: <a href=\"https:\/\/celebrity.nine.com.au\/latest\/nick-viall-wife-natalie-joy-expecting-twins-after-three-miscarriages-announcement\/cf3f3c96-c3da-4842-b3b1-ebe8b4600bb9\" target=\"_blank\" title=\"Bachelor star expecting twins after three miscarriages\" rel=\"nofollow noopener\">Bachelor star expecting twins after three miscarriages<\/a><\/p>\n<p>READ MORE: <a href=\"https:\/\/celebrity.nine.com.au\/latest\/channing-tatum-shoulder-surgery-xray-pictures-recovery\/56b98c48-e34b-4fbb-b9c2-67f176c2e2f0\" target=\"_blank\" rel=\"nofollow noopener\" title=\"Channing Tatum shares photos from hospital bed before surgery\">Channing Tatum shares photos from hospital bed before surgery<\/a><\/p>\n<p><img decoding=\"async\"  src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/02\/https:\/\/prod.static9.net.au\/fs\/e5e6c1ac-dfcc-4bae-978e-34167105bb85.jpeg\"  alt=\"Claire Foy\"\/>Flags were raised when the star began to lose weight unexpectedly. (Aurore Marechal\/Getty Images)<\/p>\n<p>&#8220;I took all this little gross stuff, and part of that was giving up caffeine,&#8221; she said, admitting that it wasn&#8217;t easy to do so, as someone who used to drink &#8220;at least 15 cups of tea a day.&#8221;<\/p>\n<p>Foy went on to reveal that she also restricts her diet due to an autoimmune condition.<\/p>\n<p>&#8220;This is my big secret, I feel like I&#8217;m in The Traitors or something, and I&#8217;m letting everyone know that I&#8217;m related to someone,&#8221; she joked.<\/p>\n<p>&#8220;I don&#8217;t actually eat <a>gluten<\/a> or sugar \u2026 except when I go out for dinner.&#8221;<\/p>\n<p>Foy said that she is &#8220;very strict but I love falling off the wagon when I&#8217;m out for dinner,&#8221; adding that she isn&#8217;t allergic.<\/p>\n<p>&#8220;It doesn&#8217;t have an impact on me. It&#8217;s just because I have an autoimmune condition, so I should avoid anything which causes more inflammation,&#8221; she said.<\/p>\n<p><a href=\"https:\/\/celebrity.nine.com.au\/2018\/07\/27\/15\/09\/the-crown-netflix-cast-royals\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\"  src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2026\/02\/https:\/\/prod.static9.net.au\/fs\/67672b9c-5f72-4e81-b662-795358b431da.png\"  alt=\"Crown cast storyblock\"\/><\/a><\/p>\n<p>The Crown: The cast and the people they play in real life<\/p>\n<p><a href=\"https:\/\/www.nine.com.au\/entertainment\/latest\/ninecomau-whats-app-signup\/421c4156-5b58-42a0-9c4e-e65401b4e271\" target=\"_blank\" rel=\"nofollow noopener\">FOLLOW US ON WHATSAPP HERE<\/a>: Stay across all the latest in celebrity, lifestyle and opinion via our WhatsApp channel. No comments, no algorithm and nobody can see your private details.<\/p>\n","protected":false},"excerpt":{"rendered":"Claire Foy has revealed that she had to change her diet after finding out that she was housing&hellip;\n","protected":false},"author":2,"featured_media":459474,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[64,63,447,134],"class_list":["post-459473","post","type-post","status-publish","format-standard","has-post-thumbnail","category-celebrities","tag-au","tag-australia","tag-celebrities","tag-entertainment"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/459473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/comments?post=459473"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/459473\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media\/459474"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media?parent=459473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/categories?post=459473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/tags?post=459473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}