Note: This document contains side effect information about atorvastatin. Common side effects. Jun 04, 2020; Macie Maislin; Overview Dosage Side Effects Interactions Half-Life. This prompted the FDA to announce in 2012 that safety labels for statins must add memory loss and confusion as potential side effects of all statin medications 4. Hyperglycemia is the most common metabolic side effect of atorvastatin reported in up to ten percent of all users. While some women with high levels of cholesterol can benefit from Lipitor or other statins, cholesterol medications like atorvastatin calcium can cause unwanted side effects. Atorvastatin side effects. Over years of use in millions of people, there have been rare reports of possible memory impairment due to statins. Lipitor (atorvastatin) is an HMG-CoA reductase inhibitor (a “statin”) that lowers cholesterol, treats elevated total cholesterol, LDL (bad cholesterol), and triglycerides, and elevates HDL (good) cholesterol. Disturbances of the gut such as diarrhoea , constipation , feeling sick, flatulence (wind) or indigestion. Common atorvastatin side effects (affect between 1 in 10 and 1 in 100 people) Headache . In Summary. Metabolic side effects of atorvastatin that are less common include increased appetite, weight gain, hypoglycemia, anorexia, diabetes mellitus, lack or loss of strength, sweating and increased thirst. Get emergency medical help if you have signs of an allergic reaction to atorvastatin: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. For details of the side effects of a particular statin, check the information leaflet that comes with your medicine. Common side effects of Lipitor include constipation, diarrhea, fatigue, gas, heartburn, headache, common cold, joint pain, pain in extremities, and urinary tract infection (UTI). Commonly reported side effects of atorvastatin include: hemorrhagic stroke, arthralgia, diarrhea, and nasopharyngitis.Other side effects include: urinary tract infection, insomnia, limb pain, muscle spasm, musculoskeletal pain, myalgia, and nausea. Metabolic Effects. The main side effects of statins are listed here. Some of the dosage forms listed on this page may not apply to the brand name Lipitor.. Side effects can vary between different statins, but common side effects include: See below for a comprehensive list of adverse effects. Atorvastatin CALCIUM Side Effects by Likelihood and Severity COMMON side effects. The risk of experiencing side effects when taking this drug is low. In rare cases, atorvastatin can cause a condition that results in the breakdown of skeletal muscle tissue, potentially leading to kidney failure. In Summary. Some of these will not necessarily apply to the specific statin you're taking. Lipitor is the brand name of the medication atorvastatin, which is a statin that reduces blood cholesterol. Memory Loss. If experienced, these tend to have a Severe expression. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Joint Pain; Atorvastatin Side Effects.