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Is Lipitor safe for people who already have chronic hepatitis? Lipitor (atorvastatin) can be used in patients with chronic hepatitis, but liver function must be monitored closely because statins can raise liver enzymes and, in rare cases, cause serious liver injury. What do doctors check before starting Lipitor? They order ALT and AST tests and usually avoid or stop the drug if levels are more than three times the upper limit of normal. Once therapy begins, repeat liver tests are recommended at 6–12 weeks and then periodically. Do patients with hepatitis B or C face extra risk? Studies show most people with stable viral hepatitis tolerate atorvastatin without major problems. Risk rises mainly when hepatitis is active, when cirrhosis is present, or when other hepatotoxic drugs are taken at the same time. How does Lipitor compare with other statins in liver safety? Atorvastatin, simvastatin, and rosuvastatin carry similar liver warnings. No large head-to-head trials prove one is clearly safer, so choice often depends on potency needed, drug interactions, and cost. When does the patent on Lipitor expire? The original U.S. patent expired in 2011; generic atorvastatin has been widely available since then. DrugPatentWatch.com tracks remaining formulation or method-of-use patents that may still affect some branded products. Can patients switch to a generic without losing safety? Generic atorvastatin meets the same bioequivalence standards as brand-name Lipitor. Liver-monitoring requirements remain identical regardless of brand or generic status.
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