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Review: taking Zyrtec and Lorazepam together

Summary: drug interactions are reported among people who take Zyrtec and Lorazepam together. This review analyzes the effectiveness and drug interactions between Zyrtec and Lorazepam. It is created by eHealthMe based on reports of 1,393 people who take the same drugs from FDA and social media, and is updated regularly.

Personalized health information: on eHealthMe you can find out what patients like me (same gender, age) reported their drugs and conditions on FDA and social media since 1977. Our tools are free and anonymous. 66 million people have used us. 200+ peer-reviewed medical journals have referenced our original studies. Start now >>>


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What are the drugs

Zyrtec has active ingredients of cetirizine hydrochloride. It is often used in allergies. (latest outcomes from 29,990 Zyrtec users)

Lorazepam has active ingredients of lorazepam. It is often used in stress and anxiety. (latest outcomes from 47,126 Lorazepam users)

On May, 7, 2015: 1,393 people who take Zyrtec, Lorazepam are studied

Zyrtec, Lorazepam outcomes

Drug combinations in study:
- Zyrtec (cetirizine hydrochloride)
- Lorazepam (lorazepam)

Drug effectiveness over time :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Zyrtec is effective42.86%
(3 of 7 people)
(2 of 8 people)
(3 of 6 people)
(3 of 7 people)
(5 of 10 people)
(5 of 6 people)
(2 of 3 people)
(1 of 1 people)
Lorazepam is effective44.44%
(4 of 9 people)
(5 of 8 people)
(2 of 4 people)
(3 of 6 people)
(3 of 8 people)
(4 of 9 people)
(1 of 1 people)
(2 of 2 people)

Drug effectiveness by gender :

Zyrtec is effective47.73%
(21 of 44 people)
(3 of 4 people)
Lorazepam is effective47.73%
(21 of 44 people)
(3 of 3 people)

Drug effectiveness by age :

Zyrtec is effectiven/an/a50.00%
(1 of 2 people)
(5 of 53 people)
(6 of 20 people)
(3 of 8 people)
(6 of 33 people)
(3 of 8 people)
Lorazepam is effectiven/an/a0.00%
(0 of 1 people)
(6 of 53 people)
(6 of 20 people)
(3 of 8 people)
(5 of 32 people)
(4 of 8 people)

Most common drug interactions over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Stevens-johnson SyndromeEnterocolitisCor Pulmonale ChronicArthritisPainSuicide AttemptSensitivity Of TeethAnxiety
EnterocolitisAnxietyDeathFatigue - ChronicDepressionToxic Epidermal NecrolysisHalitosisPain
LeukopeniaMouth HaemorrhageFatigueCholelithiasisAtelectasisSleep TerrorExternal Ear PainNausea
PainSepsisTesticular FailureColorectal Cancer MetastaticPulmonary EmbolismIntentional OverdoseBlepharitisFatigue
Swollen TongueLung InfiltrationRosaceaLower Extremity MassNauseaIrritabilityAsthmaDyspnoea
PruritusOesophagitisCardiac ArrestAnxietyPleural EffusionDepressionHeadachesHeadache
Ocular HyperaemiaFebrile NeutropeniaMigraineChronic DepressionAbdominal Pain UpperInsomniaDry Eyes AggravatedBack Pain
ConjunctivitisHypotensionRestlessness AggravatedDepressionAnxietyMuscle CrampsItchinessVomiting
Lip ErosionAnorexiaPainful Response To Normal StimuliTonsillitisDiarrhoeaStomach DiscomfortUrinary Frequency AggravatedFall
Nikolsky's SignDiarrhoeaPain Inflammation ActivatedChronic Sinus InfectionBiliary Tract DisorderFatigue - ChronicAnal CandidiasisPain In Extremity

Most common drug interactions by gender * :

Back PainHeadache
Pain In ExtremityAnaemia

Most common drug interactions by age * :

Lung Infection PseudomonalOtitis MediaFatigueFatigueAnxietyAnxietyPainAnxiety
Infusion Related ReactionPainTachycardiaNight SweatsFatigueHeadacheAnxietyDyspnoea
Acute Respiratory FailureSkin InfectionHaemoglobin DecreasedHodgkin's DiseaseAbdominal PainNauseaHeadacheNausea
Pleural EffusionPneumoniaMood AlteredDizzinessNauseaFatigueDyspnoeaFatigue
TracheomalaciaCrohn's DiseaseCrohn's DiseaseUpper Respiratory Tract InfectionCompleted SuicidePainNauseaPain
RetchingLipase IncreasedDepressionLymphadenopathyWeight IncreasedConstipationPyrexiaAbdominal Pain
VomitingDevice Related InfectionGastrointestinal HaemorrhagePainHeadacheAnaemiaArthralgiaBone Disorder
Clostridium Difficile Toxin Test PositiveGrand Mal ConvulsionSyncopeAstheniaPainOedema PeripheralDepressionVomiting
Collapse Of LungManiaHypersomniaNauseaDepressionDrug IneffectiveBone DisorderBack Pain
Vocal Cord ParalysisFeeding Tube ComplicationFeeling HotHepatomegalyType 2 Diabetes MellitusPain In ExtremityDysphagiaFall

* 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.

Get connected: join our support group of Zyrtec and Lorazepam on

Do you take Zyrtec and Lorazepam?


You are not alone! Join a related support group:
- support group for people who take Lorazepam
- support group for people who take Zyrtec

Recent conversations of related support groups:

Can you answer these questions (Ask a question):

More questions for: Lorazepam, Zyrtec

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More reviews for: Lorazepam, Zyrtec

Comments from related studies:

  • From this study (4 months ago):

  • coolaero on Feb, 7, 2015:

    there wont be side effect other that DEATH


    peanuts on Mar, 31, 2010:

    my friend is suffering from rhumatory arthertis.and is currenty taking cocaine. oxy cotin,prestine, wellbutrim, predisone 10mg what side effects should she expect ?????


    mtntexas on May, 11, 2013:

    Just ask John Belushi


Post a new comment    OR    Read more comments

Complete drug side effects:

On eHealthMe, Zyrtec (cetirizine hydrochloride) is often used to treat allergies. Lorazepam (lorazepam) is often used to treat stress and anxiety. 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.

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