{"id":2052,"date":"2026-03-07T15:45:09","date_gmt":"2026-03-07T15:45:09","guid":{"rendered":"https:\/\/www.transtoyou.com\/es\/product\/varenicline\/"},"modified":"2026-03-12T07:26:42","modified_gmt":"2026-03-12T07:26:42","slug":"varenicline","status":"publish","type":"product","link":"https:\/\/www.transtoyou.com\/es\/product\/varenicline\/","title":{"rendered":"Vareniclina"},"content":{"rendered":"<h2>What is Varenicline?<\/h2>\n<p>Varenicline is a prescription medicine used to help adults <a href=\"\/es\/treatment\/stop-smoking-aids\/\">stop smoking.<\/a> It works by targeting nicotine receptors in the brain that are involved in addiction.<\/p>\n<p>Smoking causes dependence because nicotine stimulates certain receptors in the brain that release dopamine, a chemical linked to pleasure and reward. Over time, the brain becomes dependent on nicotine to maintain these signals.<\/p>\n<p>Varenicline helps break this cycle by partially activating these nicotine receptors. This reduces cravings and withdrawal symptoms while also decreasing the rewarding effects of cigarettes if you smoke during treatment.<\/p>\n<p>Varenicline is typically used as part of a structured smoking cessation plan and works best when combined with behavioural support and motivation to quit.<\/p>\n<h2>What is it used for?<\/h2>\n<p>Varenicline is used to help adults quit smoking.<\/p>\n<p>When you stop smoking, your body may experience withdrawal symptoms such as:<\/p>\n<ul>\n<li>Strong nicotine cravings<\/li>\n<li>Irritability<\/li>\n<li>Anxiety<\/li>\n<li>Difficulty concentrating<\/li>\n<li>Increased appetite<\/li>\n<li>Sleep disturbances<\/li>\n<\/ul>\n<p>Varenicline helps reduce these symptoms by partially stimulating nicotine receptors in the brain.<\/p>\n<p>It also blocks nicotine from cigarettes from fully activating these receptors. This means that if you smoke while taking varenicline, the cigarette will feel less satisfying.<\/p>\n<p>By reducing cravings and the rewarding effects of nicotine, varenicline increases the chances of successfully quitting smoking.<\/p>\n<h2>How does the product work?<\/h2>\n<p>Varenicline works by interacting with nicotinic acetylcholine receptors in the brain.<\/p>\n<p>These receptors normally respond to nicotine from cigarettes.<\/p>\n<p>Varenicline acts as a partial agonist, meaning it both stimulates and blocks these receptors.<\/p>\n<p>This produces two important effects:<\/p>\n<p><strong>1. Reduced cravings and withdrawal symptoms<\/strong><br \/>\nVarenicline partially stimulates the receptors, helping maintain dopamine release at a lower level. This reduces withdrawal symptoms when you stop smoking.<\/p>\n<p><strong>2. Reduced reward from cigarettes<\/strong><br \/>\nIf you smoke while taking varenicline, the medication blocks nicotine from fully activating the receptors. This reduces the pleasurable effects of smoking.<\/p>\n<p>Because of this dual action, varenicline can help you gradually break nicotine dependence.<\/p>\n<h2>Who should not use the product?<\/h2>\n<p>You should not use varenicline if:<\/p>\n<ul>\n<li>You are allergic to varenicline or any ingredient in the medicine<\/li>\n<li>You have experienced a serious allergic reaction to varenicline in the past<\/li>\n<\/ul>\n<p>Varenicline should be used with caution if you:<\/p>\n<ul>\n<li>Have kidney disease<\/li>\n<li>Have a history of depression or other mental health conditions<\/li>\n<li>Have previously experienced behavioural changes while using smoking cessation medicines<\/li>\n<\/ul>\n<p>Always inform your doctor about your full medical history before starting treatment.<\/p>\n<h3>Pregnancy and breastfeeding<\/h3>\n<p>If you are pregnant or planning pregnancy, speak to a doctor before using varenicline.<\/p>\n<p>Although stopping smoking during pregnancy is strongly recommended, varenicline may not always be the preferred option. Your doctor will help determine the safest approach.<\/p>\n<p>Varenicline may pass into breast milk. If you are breastfeeding, discuss the risks and benefits with your doctor before starting treatment.<\/p>\n<h2>How to use and dosage<\/h2>\n<p>Always take varenicline exactly as prescribed.<\/p>\n<p>Treatment usually begins one week before your planned quit date.<\/p>\n<p>The dose is gradually increased during the first week to help your body adjust:<\/p>\n<ul>\n<li>Days 1\u20133: low starting dose once daily<\/li>\n<li>Days 4\u20137: low dose twice daily<\/li>\n<li>From day 8 onwards: maintenance dose twice daily<\/li>\n<\/ul>\n<p>The standard treatment course usually lasts 12 weeks. In some cases, treatment may be extended to help maintain smoking abstinence.<\/p>\n<p>Take the tablets:<\/p>\n<ul>\n<li>After eating<\/li>\n<li>With a full glass of water<\/li>\n<\/ul>\n<p>Do not stop taking varenicline without medical advice unless you experience significant side effects.<\/p>\n<h2>Possible side effects<\/h2>\n<p>Like all medicines, varenicline can cause side effects, although not everyone experiences them.<\/p>\n<p>Common side effects include:<\/p>\n<ul>\n<li>Nausea<\/li>\n<li>Sleep disturbances<\/li>\n<li>Vivid dreams<\/li>\n<li>Headache<\/li>\n<li>Insomnia<\/li>\n<\/ul>\n<p>Other possible side effects include:<\/p>\n<ul>\n<li>Dizziness<\/li>\n<li>Constipation<\/li>\n<li>Gas or indigestion<\/li>\n<li>Changes in appetite<\/li>\n<\/ul>\n<p>Some people may experience mood changes or behavioural changes during treatment.<\/p>\n<p>If you or people around you notice unusual changes in mood, behaviour or thinking, contact your doctor.<\/p>\n<h2>Important safety information<\/h2>\n<p>Before starting varenicline, tell your doctor if you:<\/p>\n<ul>\n<li>Have kidney disease<\/li>\n<li>Have a history of depression or anxiety<\/li>\n<li>Have previously experienced seizures<\/li>\n<li>Are taking other medicines that affect the nervous system<\/li>\n<\/ul>\n<p>Varenicline may cause dizziness or sleepiness in some people. If this occurs, avoid driving or operating machinery.<\/p>\n<p>Alcohol tolerance may change during treatment, so it is advisable to limit alcohol intake until you know how the medicine affects you.<\/p>\n<p>Support programmes, counselling or behavioural therapy may further improve your chances of quitting smoking successfully.<\/p>\n<h2>When to seek medical help<\/h2>\n<p>Seek urgent medical attention if you experience:<\/p>\n<ul>\n<li>Severe allergic reaction (swelling of face, lips or throat)<\/li>\n<li>Difficulty breathing<\/li>\n<li>Chest pain<\/li>\n<li>Seizures<\/li>\n<\/ul>\n<p>Contact your doctor if:<\/p>\n<ul>\n<li>You experience severe nausea or persistent vomiting<\/li>\n<li>You notice significant mood changes<\/li>\n<li>You develop depression, anxiety or unusual behaviour<\/li>\n<li>You experience persistent side effects<\/li>\n<\/ul>\n<p>If you are unsure whether your symptoms are related to your medication or nicotine withdrawal, you can book a secure video consultation with a licensed doctor via Transtoyou for personalised advice. If symptoms are severe or sudden, seek urgent medical care immediately.<\/p>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>Varenicline: Prescription medication that helps you stop smoking by reducing nicotine cravings and withdrawal symptoms.<\/li>\n<li>Active ingredient: Varenicline<\/li>\n<li>Used for: Stop smoking<\/li>\n<\/ul>\n","protected":false},"featured_media":2054,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[146],"product_tag":[],"expert":[16],"class_list":{"0":"post-2052","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ayudas-para-dejar-de-fumar","7":"expert-dr-c-alexandru","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-variable"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vareniclina | Apoya Tu Plan de Dejar de Fumar - Transtoyou<\/title>\n<meta name=\"description\" content=\"Informaci\u00f3n y orientaci\u00f3n sobre el tratamiento con vareniclina de Transtoyou, descubre c\u00f3mo este medicamento recetado puede ayudar a dejar de fumar, explora aqu\u00ed.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vareniclina | Apoya Tu Plan de Dejar de Fumar - 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