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Flexeril (Cyclobenzaprine) - Somnolence - Suspected Cause - Side Effect Reports

 
 



Index of reports > Cases with Somnolence (9)

Below is the selection of side effect reports (a.k.a. adverse event reports) related to Flexeril (Cyclobenzaprine) where reactions include somnolence. The selected reports were submitted to the FDA during the sample period of about a year.

Possible Flexeril side effects in 43 year old male

Reported by a consumer/non-health professional from United States on 2012-08-15

Patient: 43 year old male, weighing 99.3 kg (218.5 pounds)

Reactions: Headache, Hyperhidrosis, Loss of Consciousness, Tunnel Vision, Thinking Abnormal, Hot Flush, Neoplasm Skin, Feeling Hot, Muscle Spasms, Pain in Extremity, Laceration, Dysphemia, Convulsion, Paraesthesia, Irritability, Vision Blurred, Mobility Decreased, Confusional State, Drug Ineffective, Pain, Fall, Somnolence, Impaired Driving Ability, Overdose, Neuropathy Peripheral, Chest Pain, Dizziness, Anger, Musculoskeletal Stiffness, Depression, Hypermetropia, Self-Injurious Ideation, Musculoskeletal Pain, Cardiac Operation, Eye Pain, Dysarthria, Anxiety, Dysgeusia, Burning Sensation, Panic Attack, Memory Impairment, Withdrawal Syndrome, Bradyphrenia, Feeling Abnormal, Asthenia, Hypertension

Adverse event resulted in: hospitalization

Drug(s) suspected as cause:
Flexeril
    Start date: 2008-01-01
    End date: 2008-01-01

Amitriptyline HCL
    Administration route: Oral
    Indication: Neuropathy Peripheral
    Start date: 2008-08-01

Neurontin
    Dosage: 2400 mg, 2x/day
    Start date: 2000-01-01

Neurontin
    Dosage: 1800 mg, 2x/day
    Administration route: Oral
    Indication: Neuropathy Peripheral

Other drugs received by patient: Aspirin; Metoclopramide; Metoprolol



Possible Flexeril side effects in female

Reported by a consumer/non-health professional from United States on 2012-07-27

Patient: female, weighing 78.9 kg (173.6 pounds)

Reactions: Back Pain, Dysstasia, Pain in Extremity, Arthralgia, Insomnia, Intervertebral Disc Degeneration, Somnolence, Paraesthesia

Drug(s) suspected as cause:
Flexeril
    Dosage: 10 mg, daily
    Indication: Arthralgia

Lipitor
    Dosage: 40 mg, daily
    Indication: Blood Cholesterol Increased
    End date: 2012-02-01

Flexeril
    Indication: Pain in Extremity

Flexeril
    Indication: Back Pain

Other drugs received by patient: Benicar HCT; Metformin; Norvasc; Potassium Chloride



Possible Flexeril side effects in female

Reported by a consumer/non-health professional from United States on 2012-06-07

Patient: female

Reactions: Anxiety, Drug Effect Decreased, Paranoia, Somnolence, Feeling Abnormal

Drug(s) suspected as cause:
Dextroamphetamine
    Dosage: 10 mg, 3 tablets once daily by mouth
    Administration route: Oral

Flexeril
    Dosage: 10 mg, 1 - 2 tablets at bedtime as needed
    Indication: JAW Disorder
    Start date: 2012-03-01

Alprazolam
    Dosage: 0.5 mg, three times daily as needed
    Indication: Anxiety
    Start date: 2012-03-01

Dextroamphetamine
    Dosage: 30 mg, 1x/day
    Administration route: Oral
    Indication: Narcolepsy
    Start date: 2012-01-01

Dextroamphetamine
    Dosage: 30 mg, unk
    Administration route: Oral
    Start date: 2012-01-01



Possible Flexeril side effects in female

Reported by a consumer/non-health professional from United States on 2012-06-06

Patient: female, weighing 59.0 kg (129.7 pounds)

Reactions: Drug Administered AT Inappropriate Site, Inappropriate Schedule of Drug Administration, Drug Ineffective, Swelling, Somnolence, Muscle Spasms

Drug(s) suspected as cause:
Fentanyl-100
    Indication: Back Pain
    Start date: 2007-01-01
    End date: 2009-01-01

Flexeril
    Administration route: Oral
    Indication: Muscle Spasms
    Start date: 2004-01-01
    End date: 2011-10-01

Fentanyl-100
    Start date: 2009-01-01
    End date: 2012-01-01

Paxil
    Administration route: Oral
    Indication: Depression
    Start date: 1993-01-01
    End date: 2012-02-01

Fentanyl-100
    Start date: 2012-01-01

Cymbalta
    Administration route: Oral
    Indication: Depression
    Start date: 2012-02-01
    End date: 2012-03-01

Fentanyl-100
    Indication: Neuropathy Peripheral
    Start date: 2007-01-01
    End date: 2009-01-01

Fentanyl-100
    Start date: 2009-01-01
    End date: 2012-01-01

Fentanyl-100
    Start date: 2012-01-01

Other drugs received by patient: Nasonex; Klonopin; Lortab; Synthroid; Neurontin; Maxalt; Albuterol



Possible Flexeril side effects in female

Reported by a consumer/non-health professional from United States on 2012-05-11

Patient: female, weighing 70.3 kg (154.6 pounds)

Reactions: Neck Pain, Somnolence

Drug(s) suspected as cause:
Flexeril
    Dosage: 10 mg, daily

Lyrica
    Dosage: 150 mg, 2x/day
    Administration route: Oral
    Indication: Neck Pain
    Start date: 2011-01-01

Lyrica
    Dosage: 300 mg, 2x/day
    Administration route: Oral

Flexeril
    Dosage: unk
    Indication: Muscle Relaxant Therapy

Other drugs received by patient: Omeprazole



Possible Flexeril side effects in 47 year old female

Reported by a physician from United States on 2012-03-29

Patient: 47 year old female, weighing 106.6 kg (234.5 pounds)

Reactions: Emotional Distress, Mental Impairment, Drug Effect Increased, Sedation, Unevaluable Event, Memory Impairment, Somnolence

Drug(s) suspected as cause:
Vicodin

Flexeril

Fentanyl-100
    Dosage: q72h
    Indication: Pain
    Start date: 2011-05-09
    End date: 2011-05-01

Fentanyl-100
    Dosage: q72h
    Start date: 2011-05-01
    End date: 2011-05-26

Fentanyl-100
    Dosage: q72h
    Indication: Back Pain
    Start date: 2011-05-09
    End date: 2011-05-01

Fentanyl-100
    Dosage: q72h
    Start date: 2011-05-01
    End date: 2011-05-26



Possible Flexeril side effects in 27 year old female

Reported by a consumer/non-health professional from United States on 2012-01-27

Patient: 27 year old female

Reactions: Fatigue, Pain, Asthenia, Back Injury, Somnolence

Drug(s) suspected as cause:
Flexeril
    Indication: Pain

Humira
    Indication: Psoriasis
    Start date: 2010-10-11

Other drugs received by patient: Ibuprofen; Albuterol



Possible Flexeril side effects in female

Reported by a consumer/non-health professional from United States on 2012-01-09

Patient: female, weighing 112.1 kg (246.7 pounds)

Reactions: Aphasia, Feeling Abnormal, Somnolence

Drug(s) suspected as cause:
Vicodin
    Indication: Pain

Fentanyl
    Indication: Pain

Flexeril
    Indication: Pain

Other drugs received by patient: Estrace; Prozac; Prozac



Possible Flexeril side effects in 28 year old

Reported by a consumer/non-health professional from United States on 2011-11-21

Patient: 28 year old

Reactions: Neck Pain, Somnolence

Drug(s) suspected as cause:
Flexeril

Aleve (Caplet)
    Indication: Neck Pain

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