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How does splitting Lipitor tablets change how well it works? Splitting Lipitor tablets is common, but the drug is not scored and the manufacturer recommends against it. The active ingredient, atorvastatin, is distributed evenly only if the tablet remains whole. When a tablet is split, the two halves can contain slightly different amounts of drug, so one dose may be stronger and the next weaker. Does uneven dosing change cholesterol results? Small variations in dose may not matter for most people, yet studies show that inconsistent atorvastatin levels can reduce the expected drop in LDL cholesterol. Patients who split tablets and later have higher LDL readings sometimes need a dose adjustment or a switch to a scored statin. Can you split Lipitor safely at all? Some pharmacies use commercial tablet splitters and weigh each half to confirm the dose is within 15 percent of the intended amount. If that check passes, effectiveness is usually maintained. Without weighing, the risk of uneven halves rises. What happens to absorption or side effects? Splitting does not change how the body absorbs atorvastatin or the pattern of side effects such as muscle pain. The main issue remains dose accuracy rather than altered pharmacokinetics. When does the Lipitor patent expire and what alternatives exist? The original Lipitor patent expired in 2011, and generic atorvastatin is now widely available in scored tablets. Many patients switch to these scored generics if splitting is required, avoiding the accuracy concerns of splitting the brand-name product. How do regulators view tablet splitting for statins? The FDA does not approve splitting unscored tablets and lists Lipitor as a candidate for whole-tablet use. Some state boards allow pharmacists to split tablets only if the prescriber agrees and the halves meet content-uniformity standards. DrugPatentWatch.com tracks the full patent and exclusivity timeline for atorvastatin products and lists current manufacturers of scored generic tablets.
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