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Review: taking Flexeril and Narcan together

Summary: drug interactions are reported among people who take Flexeril and Narcan together.

This review analyzes the effectiveness and drug interactions between Flexeril and Narcan. It is created by eHealthMe based on reports of 44 people who take the same drugs from FDA and social media, and is updated regularly.


You are not alone: join a support group for people who take Flexeril and Narcan >>>

On Apr, 7, 2015: 44 people who take Flexeril, Narcan are studied

Flexeril, Narcan outcomes

Drug combinations in study:
- Flexeril (cyclobenzaprine hydrochloride)
- Narcan (naloxone hydrochloride)

Drug effectiveness over time :


Drug effectiveness by gender :


Drug effectiveness by age :


Most common drug interactions over time * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ yearsnot specified
Panic Reactionn/aDrug Withdrawal Syndrome Neonataln/an/an/an/aPain
OedemaMaternal Drugs Affecting FoetusDyspnoea
VomitingGeneral Physical Health Deterioration
Visual ImpairmentBone Disorder
InjuryOsteonecrosis Of Jaw
Musculoskeletal DiscomfortInsomnia

Most common drug interactions by gender * :

Abdominal PainRash
Localised InfectionNausea
InsomniaDiabetes Mellitus
Facial PainDehydration
Animal BiteCardiomyopathy

Most common drug interactions by age * :

n/an/aCreatinine Urine IncreasedVomitingDiabetes MellitusPainLethargyVomiting
Inappropriate Antidiuretic Hormone SecretionMusculoskeletal DiscomfortSuicidal BehaviourDyspnoeaHypoglycaemiaAtelectasis
Urine Chloride DecreasedInjuryDiabetic RetinopathyPneumoniaRenal Failure ChronicPneumonia
Blood Uric Acid IncreasedHeadachePsychotic DisorderAnaemiaSystemic CandidaDyspnoea
Blood Uric Acid DecreasedHaemorrhagic Transformation StrokeHallucinationPyrexiaStaphylococcal BacteraemiaOedema Peripheral
Blood Potassium DecreasedOedemaDeathHypoxiaBalance DisorderNausea
Blood Urea DecreasedVisual ImpairmentAnxietyLocalised InfectionChronic Obstructive Pulmonary DiseasePain
Blood Urea IncreasedVertigoMajor DepressionHyperglycaemiaDiabetes Mellitus Inadequate ControlSyncope
Blood Osmolarity IncreasedStressRashTardive DyskinesiaRenal Failure
Panic ReactionArthralgiaHypertensive CardiomyopathyAbdominal Pain

* 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.

Do you take Flexeril and Narcan?




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

Recent related drug studies (Check your drugs):

Complete drug side effects:

On eHealthMe, Flexeril (cyclobenzaprine hydrochloride) is often used to treat muscle spasms. 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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