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Review: taking Lipitor and Warfarin together

Summary: drug interactions are reported among people who take Lipitor and Warfarin together.

This review analyzes the effectiveness and drug interactions between Lipitor and Warfarin. It is created by eHealthMe based on reports of 10,723 people who take the same drugs from FDA and social media, and is updated regularly.


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On Apr, 18, 2015: 10,722 people who take Lipitor, Warfarin Sodium are studied

Lipitor, Warfarin Sodium outcomes

Drug combinations in study:
- Lipitor (atorvastatin calcium)
- Warfarin Sodium (warfarin sodium)

Drug effectiveness over time :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Lipitor is effective16.67%
(1 of 6 people)
(5 of 19 people)
(8 of 13 people)
(10 of 17 people)
(20 of 33 people)
(33 of 48 people)
(24 of 31 people)
(0 of 1 people)
Warfarin Sodium is effective0.00%
(0 of 11 people)
(16 of 26 people)
(3 of 10 people)
(18 of 26 people)
(23 of 44 people)
(21 of 27 people)
(26 of 32 people)

Drug effectiveness by gender :

Lipitor is effective52.83%
(28 of 53 people)
(73 of 115 people)
Warfarin Sodium is effective47.54%
(29 of 61 people)
(78 of 115 people)

Drug effectiveness by age :

Lipitor is effectiven/an/an/a25.00%
(1 of 4 people)
(2 of 9 people)
(2 of 16 people)
(25 of 74 people)
(71 of 155 people)
Warfarin Sodium is effectiven/an/an/a25.00%
(1 of 4 people)
(1 of 9 people)
(4 of 17 people)
(26 of 78 people)
(75 of 158 people)

Most common drug interactions over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
International Normalised Ratio IncreasedInternational Normalised Ratio IncreasedRenal Failure AcuteRectal HaemorrhageRhabdomyolysisHeadacheParaneoplastic SyndromePain
AsthmaHepatitis AcuteDyspnoeaMuscular WeaknessRenal Failure AcuteInternational Normalised Ratio IncreasedSepsisDyspnoea
Cerebral InfarctionPainAtrial FibrillationHeadacheMuscular WeaknessDrug IneffectiveDeathAtrial Fibrillation
Renal Failure AcutePain In ExtremityRhabdomyolysisBack PainPainDiarrhoeaRenal ImpairmentNausea
Ventricular FibrillationArthralgiaDizzinessFatigueUrinary RetentionFatigueEmotional DistressCardiac Failure Congestive
Atrial FibrillationAstheniaMyalgiaPancytopeniaAlanine Aminotransferase IncreasedDepressionAnxietyFatigue
Haemoglobin DecreasedAtrial FibrillationNauseaAstheniaMuscle AtrophyPainPainInternational Normalised Ratio Increased
FallAnhedoniaGastrooesophageal Reflux DiseaseDyspnoeaAnaemiaCerebrovascular AccidentRenal InjuryAnxiety
AnaemiaAnxietyMitral Valve IncompetenceBlood Product Transfusion DependentDyspnoeaDizzinessStressAsthenia
International Normalised Ratio DecreasedEmotional DistressCerebrovascular AccidentAlopeciaAspartate Aminotransferase IncreasedWeight DecreasedFearDizziness

Most common drug interactions by gender * :

Atrial FibrillationPain
PainAtrial Fibrillation
International Normalised Ratio IncreasedCardiac Failure Congestive
Cardiac Failure CongestiveAnxiety
AstheniaInternational Normalised Ratio Increased

Most common drug interactions by age * :

Muscular WeaknessHallucination, VisualStevens-johnson SyndromeCardiac Failure CongestiveAnxietyPainPainAtrial Fibrillation
TremorFeeling AbnormalInfluenza Like IllnessFatigueAnxietyAnxietyInternational Normalised Ratio Increased
Orthostatic HypotensionRoad Traffic AccidentBronchitisPyrexiaInjuryAnaemiaDyspnoea
Cerebrovascular AccidentSleep DisorderTuberculin Test PositiveInjuryOedema PeripheralNauseaCardiac Failure Congestive
Neoplasm MalignantTremorPresyncopeType 2 Diabetes MellitusBack PainDyspnoeaNausea
TachycardiaBack PainPainAstheniaDizzinessFatigue
ContusionUrinary Tract InfectionSinus TachycardiaDyspnoeaMyocardial InfarctionPain
FallInsomniaPain In JawPain In ExtremityPyrexiaAsthenia
ConstipationNauseaUrinary Tract InfectionNauseaOedema PeripheralFall
Confusional StatePalpitationsCardiovascular DisorderNephrogenic Systemic FibrosisFatigueDizziness

* Some reports may have incomplete information.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

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- support group for people who take Lipitor
- support group for people who take Warfarin Sodium

Recent related drug studies (Check your drugs):

Complete drug side effects:

On eHealthMe, Lipitor (atorvastatin calcium) is often used to treat high blood cholesterol. Warfarin Sodium (warfarin sodium) is often used to treat atrial fibrillation/flutter. Find out below the conditions the drugs are used for, how effective they are, and any alternative drugs that you can use to treat those same conditions.

What is the drug used for and how effective is it:

Other drugs that are used to treat the same conditions:

NOTE: The study is based on active ingredients. Other drugs that have the same active ingredients are also considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.


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