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Flexeril Muscle Spasms Side Effects

Flexeril Muscle Spasms Side Effect Reports


The following Flexeril Muscle Spasms side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Muscle Spasms, can occur, and what you can do about them.

A side effect could appear soon after you start Flexeril or it might take time to develop.



Muscle Spasms, Pain In Extremity, Dysphagia, Musculoskeletal Pain, Blood Calcium Decreased, Movement Disorder

This Muscle Spasms side effect was reported by a physician from UNITED STATES. A 75-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Flexeril (dosage: NA), which was started on Jan 25, 2010. Concurrently used drugs:
  • Omeprazole
  • Adavan (lorazepam)
  • Reclast (Infusion)
  • Lorazepam
  • Calcium Carbonate
  • Cardil (diltiazem Hydrochloride)
  • Ranitidine Hydrochloride
  • Vitamin D
When starting to take Flexeril the consumer reported the following symptoms:
  • Muscle Spasms
  • Pain In Extremity
  • Dysphagia
  • Musculoskeletal Pain
  • Blood Calcium Decreased
  • Movement Disorder
The patient was hospitalized. These side effects may potentially be related to Flexeril.
Schizophrenia, Paralysis, Muscle Spasms, Neuropathy Peripheral

This Muscle Spasms Flexeril side effect was reported by a consumer or non-health professional from UNITED STATES on Mar 13, 2012. A male , weighting 160.0 lb, was diagnosed with and was treated with Flexeril. The patient presented the following health conditions:
  • Schizophrenia
  • Paralysis
  • Muscle Spasms
  • Neuropathy Peripheral
. Flexeril dosage: NA. Additional drugs used at the same time:
  • Vicodin
  • Risperdal Consta
  • Risperdal Consta
  • Risperdal Consta
  • Risperdal Consta
  • Risperdal Consta
  • Risperdal Consta
  • Risperdal Consta
Somnolence, Victim Of Abuse, Stress, Post-traumatic Stress Disorder, Asthenia, Anxiety, Herpes Zoster, Post-traumatic Epilepsy, Muscle Spasms

This is a Flexeril side effect report of a 37-year-old female patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: muscle spasms,multiple sclerosis, who was treated with Flexeril (dosage:NA, start time: Oct 29, 2008), combined with:
  • Tysabri
, and developed a serious reaction and a Muscle Spasms side effect. The patient presented with:
  • Somnolence
  • Victim Of Abuse
  • Stress
  • Post-traumatic Stress Disorder
  • Asthenia
  • Anxiety
  • Herpes Zoster
  • Post-traumatic Epilepsy
  • Muscle Spasms
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Flexeril treatment in female patients suffering from muscle spasms,multiple sclerosis, resulting in Muscle Spasms.

Unevaluable Event, Muscle Spasms, Skin Discolouration, Pain In Extremity

A 48-year-old female patient (weight: NA) from UNITED STATES with the following symptoms: myalgia,crohn's disease,fibromyalgia,restless legs syndrome,hypertension,pain started Flexeril treatment (dosage: NA) on Jan 04, 2012. Soon after starting Flexeril treatment, the consumer experienced several side effects, including:
  • Unevaluable Event
  • Muscle Spasms
  • Skin Discolouration
  • Pain In Extremity
. Concurrently used drugs:
  • Imuran
  • Lyrica (75mg (increased Dose) Qd)
  • Requip
  • Aldactone
  • Lortab (1 Q 6 Hours Prn)
  • Humira (Loading Dose)
  • Fosamax
  • Prednisone Tab
The patient was hospitalized. This finding indicates that some patients can be more vulnerable to developing Flexeril side effects, such as Muscle Spasms.
Metabolic Encephalopathy, Staphylococcal Infection, Enterobacter Infection, Decubitus Ulcer, Sepsis, Muscle Spasms

A female patient from UNITED STATES was prescribed and started Flexeril on Sep 20, 2011. Patient felt the following Flexeril side effects: metabolic encephalopathy, staphylococcal infection, enterobacter infection, decubitus ulcer, sepsis, muscle spasms Additional patient health information: Female , 60 years of age, The consumer reported the following symptoms: . Flexeril dosage: NA. Concurrently used drugs:
  • Tysabri
  • Furosemide
  • Morphine Sulfate
  • Ambien Cr
  • Multi-vitamin
  • Zanaflex
  • Citalopram Hydrobromide
  • Morphine Sulfate
The patient was hospitalized.
Decubitus Ulcer, Muscle Spasms

This report suggests a potential Flexeril Muscle Spasms side effect(s) that can have serious consequences. A 62-year-old female patient from UNITED STATES (weight:NA) was diagnosed with the following health condition(s): NA and used Flexeril (dosage: NA) starting Sep 26, 2007. Soon after starting Flexeril the patient began experiencing various side effects, including:
  • Decubitus Ulcer
  • Muscle Spasms
Drugs used concurrently:
  • Tysabri
  • Phenergan Hcl
  • Ambien Cr
  • Citalopram Hydrobromide
  • Zanaflex
  • Morphine Sulfate
  • Morphine Sulfate
  • Morphine Sulfate
The patient was hospitalized. Although Flexeril demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Muscle Spasms, may still occur.
Muscle Spasms

An adverse event was reported by a consumer or non-health professional on Sep 02, 2011 by a male taking Flexeril (dosage: NA) . Location: UNITED STATES , 79 years of age, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Flexeril side effects: muscle spasms. Additional medications/treatments:
Associated medications used:
  • Levothyroxine Sodium
  • Pradaxa (300 Mg)
  • Metoprolol Tartrate
Pseudomembranous Colitis, Muscle Spasms, Arrhythmia

This Muscle Spasms problem was reported by a consumer or non-health professional from UNITED STATES. A female patient (weight: NA) was diagnosed with the following medical condition(s): muscle spasms,arrhythmia,hypertension,hypothyroidism.On Jan 01, 2004 a consumer started treatment with Flexeril (dosage: NA). The following drugs/medications were being taken at the same time:
  • Atenolol
  • Atenolol
  • Synthroid
When commencing Flexeril, the patient experienced the following unwanted symptoms /side effects:
  • Pseudomembranous Colitis
  • Muscle Spasms
  • Arrhythmia
The patient was hospitalized. Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Muscle Spasms, may become evident only after a product is in use by the general population.
Blood Pressure Increased, Vision Blurred, Muscle Spasms, Amnesia, Disturbance In Attention, Speech Disorder, Frustration, Disorientation

This is a Flexeril side effect report of a patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: NA and was treated with Flexeril (dosage: 200 Mg, 2x/day) starting Apr 01, 2010. Concurrently used drugs:
  • Lyrica (75 Mg, 2x/day)
  • Darvocet-n 100 (100/650mg As Needed)
  • Neurontin (Unk)
  • Clinoril (10 Mg, 3x/day)
  • Lopressor (25 Mg, 2x/day)
  • Lyrica (75 Mg, 1x/day)
  • Hydrochlorothiazide (25 Mg, 1x/day)
  • Lovastatin (20 Mg, 1x/day)
Soon after that, the consumer experienced the following of symptoms:
  • Blood Pressure Increased
  • Vision Blurred
  • Muscle Spasms
  • Amnesia
  • Disturbance In Attention
  • Speech Disorder
  • Frustration
  • Disorientation
The patient was hospitalized. This opens a possibility that Flexeril could cause Muscle Spasms and that some patients may be more susceptible.
Gait Disturbance, Muscle Spasms, Pain

This Muscle Spasms side effect was reported by a health professional from UNITED STATES on Nov 02, 2009. A female patient from UNITED STATES , 49 years of age, weighting 159.0 lb, was diagnosed with and was treated with Flexeril. Directly after treatment started, patient experienced the unwanted or unexpected Flexeril side effects: gait disturbance, muscle spasms, pain. Flexeril dosage: 1/2 Tablet, 3 Times A Day.
Associated medications used:
  • Skelaxin
  • Ketorolac Tromethamine
  • Promethazine
  • Promethazine
These side effects may potentially be related to Flexeril.
Muscle Spasms

This Muscle Spasms side effect was reported by a consumer or non-health professional from UNITED STATES. A patient (weight:NA) experienced the following symptoms/conditions: pain. The patient was prescribed Flexeril (dosage: NA), which was started on NS. Concurrently used drugs:
  • Demerol
  • Azilect (1.5 Years)
When starting to take Flexeril the consumer reported the following symptoms:
  • Muscle Spasms
The patient was hospitalized. These side effects may potentially be related to Flexeril.
Gait Disturbance, Muscle Spasms, Pain

This Muscle Spasms Flexeril side effect was reported by a health professional from UNITED STATES on Jun 10, 2009. A Female , weighting 159.0 lb, was diagnosed with and was treated with Flexeril. The patient presented the following health conditions:
  • Gait Disturbance
  • Muscle Spasms
  • Pain
. Flexeril dosage: 1/2 Tablet 3 Times Day 3 Times Daily ?. Additional drugs used at the same time:
  • Skelaxin (1 Tablet 3 Times Daily)
  • Ketorolac Tromethamine
  • Promethazine
  • Fixodent
  • Polident
Fall, Intervertebral Disc Protrusion, Muscle Spasms, Urinary Incontinence

This is a Flexeril side effect report of a patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: NA, who was treated with Flexeril (dosage:NA, start time: NS), combined with:
  • Duragesic-100
  • Cymbalta
  • Tramadol Hcl (As Needed)
, and developed a serious reaction and a Muscle Spasms side effect. The patient presented with:
  • Fall
  • Intervertebral Disc Protrusion
  • Muscle Spasms
  • Urinary Incontinence
which developed after the beginning of treatment. The patient was hospitalized. This side effect report can indicate a possible existence of increased vulnerability to Flexeril treatment in patients suffering from NA, resulting in Muscle Spasms.
Muscle Spasms, Ventricular Extrasystoles

A 46-year-old female patient (weight: NA) from UNITED STATES with the following symptoms: whiplash injury started Flexeril treatment (dosage: 10 Mg, 2 In 1 Day, Oral) on Jan 16, 2007. Soon after starting Flexeril treatment, the consumer experienced several side effects, including:
  • Muscle Spasms
  • Ventricular Extrasystoles
. Concurrently used drugs:
  • Effexor
This finding indicates that some patients can be more vulnerable to developing Flexeril side effects, such as Muscle Spasms.

DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Flexeril Muscle Spasms Causes and Reviews


Angina is chest pain or discomfort you feel when there is not enough blood flow to your heart muscle. Your heart muscle needs the oxygen that the blood carries. Angina may feel like pressure or a squeezing pain in your chest. It may feel like indigestion. You may also feel pain in your shoulders, arms, neck, jaw, or back.

Angina is a symptom of coronary artery disease (CAD), the most common heart disease. CAD happens when a sticky substance called plaque builds up in the arteries that supply blood to the heart, reducing blood flow.

There are three types of angina:

  • Stable angina is the most common type. It happens when the heart is working harder than usual. Stable angina has a regular pattern. Rest and medicines usually help.
  • Unstable angina is the most dangerous. It does not follow a pattern and can happen without physical exertion. It does not go away with rest or medicine. It is a sign that you could have a heart attack soon.
  • Variant angina is rare. It happens when you are resting. Medicines can help.

Not all chest pain or discomfort is angina. If you have chest pain, you should see your health care provider.

NIH: National Heart, Lung, and Blood Institute


Flexeril Muscle Spasms Reviews

Sat, 09 Jan 2010
My mother, 87, was given Flexeril for a tight shoulder muscle. After 7 pills is having hallucinations. Mentally sharp otherwise. Last pill was on 12/29/2009. How long can we expect these? She is an invalid.
Wed, 31 Mar 2010
anxiety, anger, and exhaustion
Mon, 18 Apr 2011
I was taking Flexeril after I was diagnosed with a rib contusion following heavy lifting. I am taking Lexapro, Adderall and Trazadone already for A.D.D. depression and sleep deprivation. The Flexeril made me extremely tired, irritable, so much so that after a 24 hour period, I was nearly suicidal, possibly homicidal. I threw the medication away after reoccuring this feeling several times.
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Flexeril Side Effects

Pain (102)
Pulmonary Embolism (74)
Fatigue (71)
Nausea (70)
Fall (68)
Pain In Extremity (66)
Dyspnoea (66)
Oedema Peripheral (65)
Feeling Abnormal (65)
Depression (65)
Somnolence (64)
Headache (64)
Muscle Spasms (64)
Overdose (63)
Dizziness (61)
Deep Vein Thrombosis (54)
Anxiety (50)
Convulsion (48)
Confusional State (46)
Asthenia (44)
Back Pain (13)
Loss Of Consciousness (11)
Hypertension (11)
Heart Rate Increased (11)
Abdominal Pain Upper (10)
Amnesia (10)
Malaise (10)
Injury (10)
Blood Pressure Increased (10)
Cerebrovascular Accident (9)
Cardiac Failure (9)
Death (9)
Injection Site Pain (9)
Weight Increased (9)
Pneumonia (9)
Lethargy (9)
Diarrhoea (8)
Completed Suicide (8)
Muscular Weakness (8)
Urinary Tract Infection (8)
Vision Blurred (8)
Vomiting (8)
Incorrect Dose Administered (7)
Hallucination (7)
Liver Disorder (7)
Hypotension (7)
Paraesthesia (7)
Suicidal Ideation (7)
Rhabdomyolysis (7)
Myocardial Infarction (7)

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