{"id":1401,"date":"2026-05-04T12:30:54","date_gmt":"2026-05-04T12:30:54","guid":{"rendered":"https:\/\/rxzest.com\/en-za\/?p=1401"},"modified":"2026-05-04T12:30:55","modified_gmt":"2026-05-04T12:30:55","slug":"caffeine","status":"publish","type":"post","link":"https:\/\/rxzest.com\/en-za\/caffeine\/","title":{"rendered":"Caffeine"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Caffeine is one of the most commonly used stimulants in the world. In South Africa, many people get it from coffee, tea, cola drinks, energy drinks, chocolate, and some pain, cold and flu medicines.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is caffeine?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Caffeine is a natural stimulant. It mainly affects the <strong>central nervous system<\/strong>, which includes the brain and nerves. This is why it can make you feel more awake, focused, and less tired.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where do South Africans commonly find caffeine?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You may find caffeine in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coffee, including instant, brewed, cappuccino and espresso drinks<\/li>\n\n\n\n<li>Black tea, green tea, iced tea and some herbal blends with added caffeine<\/li>\n\n\n\n<li>Cola and some fizzy drinks<\/li>\n\n\n\n<li>Energy drinks<\/li>\n\n\n\n<li>Chocolate<\/li>\n\n\n\n<li>Some headache, pain, migraine, cold and flu products<\/li>\n\n\n\n<li>Some medicines used in hospitals for premature babies<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">In South Africa, caffeine may appear in certain medicine combinations, including some products used for headaches, pain, colds, flu, and migraines. Availability can change, so always check the medicine label or ask a pharmacist.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How does caffeine work?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Caffeine blocks the effect of a brain chemical called <strong>adenosine<\/strong>, which normally helps the body feel sleepy. When caffeine blocks adenosine, you may feel more alert.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In medical settings, caffeine citrate may also be used under specialist supervision to help stimulate breathing in some premature newborns.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Possible benefits<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For most healthy adults, moderate caffeine can:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Help you feel more awake<\/li>\n\n\n\n<li>Improve concentration for a short time<\/li>\n\n\n\n<li>Reduce tiredness temporarily<\/li>\n\n\n\n<li>Support the effect of some pain-relief medicines, especially in headache or migraine combinations<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">However, caffeine is not a replacement for sleep, food, water, or medical care.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Possible side effects<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Too much caffeine can cause:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Shakiness or jitters<\/li>\n\n\n\n<li>Anxiety or restlessness<\/li>\n\n\n\n<li>Fast heartbeat<\/li>\n\n\n\n<li>Trouble sleeping<\/li>\n\n\n\n<li>Headache<\/li>\n\n\n\n<li>Stomach discomfort or reflux<\/li>\n\n\n\n<li>Increased urination<\/li>\n\n\n\n<li>Irritability<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Some people are more sensitive to caffeine than others. Even a small amount may cause sleep problems, nervousness, or palpitations in sensitive people.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pregnancy and breastfeeding<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pregnant women should be careful with caffeine. A practical approach is to limit caffeine during pregnancy and avoid taking high-caffeine products unless advised by a healthcare professional.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Caffeine can come from coffee, tea, cola, energy drinks, chocolate, and some medicines, so it is important to count all sources together.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Breastfeeding mothers should also be cautious because caffeine can pass into breast milk. Too much caffeine may make some babies unsettled or affect their sleep.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Special medical use in newborns<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Caffeine is not only found in drinks. In hospitals, <strong>caffeine citrate<\/strong> may be used to treat breathing pauses in premature newborns. This is a specialist treatment and should only be given by healthcare professionals.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Medicines and interactions: why labels matter<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Some people may take caffeine without realising it because it is included in painkillers, flu remedies, or migraine products. This matters because combining coffee, energy drinks, and caffeine-containing medicines can push your total intake too high.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Be extra careful if you have:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Heart rhythm problems<\/li>\n\n\n\n<li>High blood pressure<\/li>\n\n\n\n<li>Anxiety or panic attacks<\/li>\n\n\n\n<li>Reflux or stomach ulcers<\/li>\n\n\n\n<li>Seizure disorders<\/li>\n\n\n\n<li>Liver or kidney problems<\/li>\n\n\n\n<li>Trouble sleeping<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Also speak to a doctor or pharmacist if you are taking regular medication, because caffeine may interact with some medicines.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Practical tips for South African readers<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Try these simple steps:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Check labels<\/strong> on pain, flu, migraine and energy products for \u201ccaffeine,\u201d \u201ccaffeine citrate,\u201d \u201ccaffeine anhydrous,\u201d or \u201cguarana.\u201d<\/li>\n\n\n\n<li><strong>Avoid caffeine late in the day<\/strong> if you struggle with sleep.<\/li>\n\n\n\n<li><strong>Cut down slowly<\/strong> if you drink a lot; stopping suddenly can cause headaches and tiredness.<\/li>\n\n\n\n<li><strong>Be extra careful<\/strong> if you are pregnant, breastfeeding, have heart problems, anxiety, reflux, seizures, liver disease, kidney disease, or you are giving medicine to a child.<\/li>\n\n\n\n<li><strong>Ask a pharmacist or doctor<\/strong> before combining caffeine-containing medicines with energy drinks or several cups of coffee.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">When to get help<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Seek medical advice urgently if caffeine use is followed by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chest pain<\/li>\n\n\n\n<li>Fainting<\/li>\n\n\n\n<li>Severe palpitations<\/li>\n\n\n\n<li>Confusion<\/li>\n\n\n\n<li>Seizures<\/li>\n\n\n\n<li>Severe vomiting<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Bottom line<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Caffeine can be useful in small to moderate amounts, but it is still an active substance that affects the brain, heart, sleep, and some medicines. In South Africa, it may be found not only in coffee and energy drinks, but also in some common medicine combinations. Read labels, count all caffeine sources, and speak to a healthcare professional when unsure.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Caffeine is one of the most commonly used stimulants in the world. In South Africa, many people get it from coffee, tea, cola drinks, energy drinks, chocolate, and some pain, cold and flu medicines. What is caffeine? Caffeine is a natural stimulant. It mainly affects the central nervous system, which includes the brain and nerves. &#8230; <a title=\"Caffeine\" class=\"read-more\" href=\"https:\/\/rxzest.com\/en-za\/caffeine\/\" aria-label=\"Read more about Caffeine\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-1401","post","type-post","status-publish","format-standard","hentry","category-substances"],"_links":{"self":[{"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/posts\/1401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/comments?post=1401"}],"version-history":[{"count":2,"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/posts\/1401\/revisions"}],"predecessor-version":[{"id":1482,"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/posts\/1401\/revisions\/1482"}],"wp:attachment":[{"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/media?parent=1401"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/categories?post=1401"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rxzest.com\/en-za\/wp-json\/wp\/v2\/tags?post=1401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}