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Review: Tizanidine hydrochloride side effects

In this review, we analyze Tizanidine hydrochloride side effects by the time on the drug, gender and age (0-60+) of the people who have side effects while taking Tizanidine hydrochloride. The review is based on 1,212 people who have side effects while taking Tizanidine hydrochloride from FDA and social media, and is updated regularly.

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What is Tizanidine hydrochloride

Tizanidine hydrochloride (latest outcomes from 1,557 users) has active ingredients of tizanidine hydrochloride. It is often used in muscle spasms.

Other drugs that have the same active ingredients (tizanidine hydrochloride): Zanaflex.

On Apr, 8, 2015: 1,212 people who reported to have side effects when taking Tizanidine hydrochloride are studied


Most common side effects over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
HypotensionAspartate Aminotransferase IncreasedHallucination, VisualHigh Blood PressureHypokalaemiaConvulsionDysaesthesiaFatigue
TachycardiaAlanine Aminotransferase IncreasedBlood Creatine Phosphokinase IncreasedHair LossNeutropeniaVomitingParotitisPain
PneumoniaDiffuse Large B-cell LymphomaAspartate Aminotransferase IncreasedConstipation AggravatedNeutropenic SepsisHyponatraemiaLow Blood PressurePyrexia
NauseaHypertoniaIntentional OverdoseBack InjuryFungal SepsisGastric UlcerErectile DysfunctionVomiting
PyrexiaHepatic Function AbnormalMood SwingsDepression PostmenopausalConvulsionLoss Of ConsciousnessSwollen TongueNausea
Suicide AttemptBlood Lactate Dehydrogenase IncreasedMissed PeriodsDizzinessAnaemiaEmotional DistressDiarrhoea
DizzinessAnorexiaPain - HeadBasilar MigraineCondition AggravatedHypoaesthesiaAbdominal Pain
ComaSomnolenceStiffness In A JointHot FlushesPericardial EffusionMuscular WeaknessHeadache
Loss Of ConsciousnessNauseaHearing LossMigraineHypomagnesaemiaDeep Vein ThrombosisFall
FatigueMuscle RigidityLow Platelet CountWeight Gain - UnintentionalInsomniaSudden DeathDyspnoea

Most common side effects by gender * :

Abdominal PainAsthenia
Oedema PeripheralPain

Most common side effects by age * :

Accidental ExposureNeuroleptic Malignant SyndromeCardiac DisorderVentricular FibrillationFatigueNauseaPainVomiting
Rectal ProlapseCardiac DisorderVomitingCardiac ArrestDyspnoeaPyrexiaAnaemiaHypotension
Cardio-respiratory ArrestEpstein-barr Virus InfectionTorsade De PointesSuicide AttemptHeadachePneumoniaMalaise
PneumoniaInjuryPainLoss Of ConsciousnessFatigueAnxietySomnolence
Sudden DeathHypersensitivityComaPyrexiaFallEmotional DistressAsthenia
BradyarrhythmiaAbdominal TendernessDrug DependenceSyncopeMultiple Sclerosis RelapseAbdominal PainPyrexia
SomnolenceCholecystitis ChronicUpper Respiratory Tract InfectionAstheniaVomitingCoughDiarrhoea
AbscessDecreased AppetiteDrug IneffectiveMultiple SclerosisDizzinessDiverticulumNausea
HypotoniaFood IntoleranceSudden DeathMalaiseBlood Pressure DecreasedNauseaHyperkalaemia
TremorAbdominal PainBlood Potassium DecreasedAltered State Of ConsciousnessConstipationHypophagiaDecreased Appetite

* Some reports may have incomplete information.

Browse Tizanidine hydrochloride side effects from A to Z:

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.

Are you taking Tizanidine hydrochloride?




On eHealthMe, Tizanidine Hydrochloride (tizanidine hydrochloride) is often used for muscle spasms. Find out below the conditions Tizanidine Hydrochloride is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.

What is Tizanidine Hydrochloride used for and how effective is it:

Other drugs that are used to treat the same conditions:

Studies of common Tizanidine hydrochloride drug interactions:

Browse Tizanidine hydrochloride drug interactions with drugs from A to Z:

NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT 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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