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Robaxin Side Effects

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Common Robaxin Side Effects


The most commonly reported Robaxin side effects (click to view or check a box to report):

Pain (8)
Pulmonary Embolism (4)
Burning Sensation (3)
Diarrhoea (3)
Bone Disorder (3)
Anxiety (3)
Dyspnoea (3)
Deep Vein Thrombosis (3)
Fatigue (3)
Rash (3)
Overdose (3)
Malaise (3)
Inflammation (3)
White Blood Cell Count Decreased (2)
Injury (2)
Vomiting (2)
Insomnia (2)
Nausea (2)
Suicidal Ideation (2)
Surgery (2)

➢ More



If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Robaxin Side Effects Reported to FDA



Robaxin Side Effect Report#9254218
Pain, Hypoacusis, Malaise, Myalgia, Arthralgia
This is a report of a 69-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Robaxin (dosage: NA, start time: NS), combined with:
  • Spiriva
  • Clopidogrel
  • Enoxaparin
  • Oxycodone
  • Warfarin
  • Hydrocodone
  • Levothyroxine
  • Vitamin D Nos
and developed a serious reaction and side effect(s): Pain, Hypoacusis, Malaise, Myalgia, Arthralgia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Robaxin treatment in female patients, resulting in Pain side effect. The patient was hospitalized.
Robaxin Side Effect Report#9169915
Intraductal Proliferative Breast Lesion, Back Pain, Temporomandibular Joint Syndrome, Fibromyalgia
This report suggests a potential Robaxin Intraductal Proliferative Breast Lesion side effect(s) that can have serious consequences. A 51-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: NA and used Robaxin (dosage: NA) starting 2012. After starting Robaxin the patient began experiencing various side effects, including: Intraductal Proliferative Breast Lesion, Back Pain, Temporomandibular Joint Syndrome, FibromyalgiaAdditional drugs used concurrently:
  • Celebrex
  • Zithromax
  • Diazepam (Present)
  • Hydromorphone (Present)
The patient was hospitalized and became disabled. Although Robaxin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Intraductal Proliferative Breast Lesion, may still occur.
Robaxin Side Effect Report#9153428
Overdose, Suicidal Ideation, Refusal Of Treatment By Patient
This Overdose problem was reported by a consumer or non-health professional from US. A 51-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: muscle spasms,multiple sclerosis. On
Apr 27, 2008 this consumer started treatment with Robaxin (dosage: NA). The following drugs were being taken at the same time:
  • Glatiramer Acetate (20 Mg; Injection)
  • Prazosin
  • Ropinirole
  • Omeprazole
  • Aspirin
  • Citalopram Hbr
  • Ziprasidone
  • Ambien
When using Robaxin, the patient experienced the following unwanted symptoms/side effects: Overdose, Suicidal Ideation, Refusal Of Treatment By PatientThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Overdose, may become evident only after a product is in use by the general population.
Robaxin Side Effect Report#9094377
Back Pain, Impaired Work Ability
This Back Pain side effect was reported by a health professional from US. A 51-year-old male patient (weight:NA) experienced the following symptoms/conditions: back pain.The patient was prescribed Robaxin (drug dosage: NA), which was initiated on
Jun 27, 2011. Concurrently used drugs:
  • Flexeril
.After starting to take Robaxin the consumer reported adverse symptoms, such as: Back Pain, Impaired Work AbilityThese side effects may potentially be related to Robaxin.
Robaxin Side Effect Report#8889342
Swelling, Pruritus, Erythema, Burning Sensation
This is a report of a 46-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Robaxin (dosage: 1 Tablet By Mouth 4x Per Day Po, start time:
Oct 30, 2012), combined with: NA. and developed a serious reaction and side effect(s): Swelling, Pruritus, Erythema, Burning Sensation after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Robaxin treatment in male patients, resulting in Swelling side effect.
Robaxin Side Effect Report#8475011-X
Abdominal Distension, Cholecystectomy, Biliary Dyskinesia, Abdominal Pain
This report suggests a potential Robaxin Abdominal Distension side effect(s) that can have serious consequences. A 43-year-old female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: NA and used Robaxin (dosage: NA) starting
Nov 30, 2007. After starting Robaxin the patient began experiencing various side effects, including: Abdominal Distension, Cholecystectomy, Biliary Dyskinesia, Abdominal PainAdditional drugs used concurrently:
  • Clonazepam (1 Mg, Unk)
  • Oxycodone Hcl And Acetaminophen (5-325 Mg)
  • Excedrin (migraine)
  • Yaz (Unk)
  • Methocarbamol (750 Mg, Unk)
  • Amoxicillin (875 Mg, Unk)
  • Penicillin Vk (500 Mg, Unk)
  • Hydrocodone Bitartrate And Acetaminophen (7.5-750 Mg)
Although Robaxin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Abdominal Distension, may still occur.
Robaxin Side Effect Report#8465037-4
Pain, Hyperkeratosis, Bone Disorder
This Pain problem was reported by a consumer or non-health professional from United States. A female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Robaxin (dosage: 750 Mg, As Needed). The following drugs were being taken at the same time:
  • Gabapentin (600 Mg, Every 4 Hrs)
  • Morphine (Unk)
  • Celebrex (Unk)
  • Oxycodone (10/325mg, Two Tablet Four Times A Day)
  • Methadone (Unk)
When using Robaxin, the patient experienced the following unwanted symptoms/side effects: Pain, Hyperkeratosis, Bone DisorderAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Pain, may become evident only after a product is in use by the general population.
Robaxin Side Effect Report#8441805-X
Pain, Pulmonary Embolism, Chest Pain, Anhedonia, Dyspnoea, Anxiety, Injury
This Pain side effect was reported by a consumer or non-health professional from United States. A 27-year-old female patient (weight:NA) experienced the following symptoms/conditions: muscle spasms.The patient was prescribed Robaxin (drug dosage: NA), which was initiated on
May 01, 2005. Concurrently used drugs:
  • Vicodin
  • Buspar (Unk)
  • Clonazepam (0.5 Mg, Hs As Needed)
  • Yaz (Unk)
.After starting to take Robaxin the consumer reported adverse symptoms, such as: Pain, Pulmonary Embolism, Chest Pain, Anhedonia, Dyspnoea, Anxiety, InjuryThese side effects may potentially be related to Robaxin. The patient was hospitalized.
Robaxin Side Effect Report#8438009-3
Rash
This is a report of a 76-year-old female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Robaxin (dosage: Unk, start time:
Nov 18, 2011), combined with:
  • Multi-vitamins (Unk)
  • Aspirin (Unk)
  • Prolia (60 Mg, Q6mo)
  • Prilosec (Unk)
  • Calcium With Vitamin D (Unk)
  • Maxzide (Unk)
  • Vitamin D (Unk)
  • Acetaminophen (Unk)
and developed a serious reaction and side effect(s): Rash after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Robaxin treatment in female patients, resulting in Rash side effect.
Robaxin Side Effect Report#8391371-2
Pain, Pulmonary Embolism, Dyspnoea, Injury, Emotional Distress, Non-cardiac Chest Pain
This report suggests a potential Robaxin Pain side effect(s) that can have serious consequences. A 27-year-old female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: NA and used Robaxin (dosage: NA) starting
May 01, 2004. After starting Robaxin the patient began experiencing various side effects, including: Pain, Pulmonary Embolism, Dyspnoea, Injury, Emotional Distress, Non-cardiac Chest PainAdditional drugs used concurrently:
  • Yasmin (Unk)
  • Drospirenone And Ethinyl Estradiol (Unk)
  • Hydrocodone Bitartrate
  • Metoprolol Tartrate
  • Methocarbamol
  • Phenergan
  • Zithromax
  • Zantac
The patient was hospitalized. Although Robaxin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Pain, may still occur.
Robaxin Side Effect Report#8333485-9
Blood Pressure Increased, Burning Sensation, Headache
This Blood Pressure Increased problem was reported by a consumer or non-health professional from United States. A female patient (weight: NA) was diagnosed with the following symptoms/conditions: muscle spasms,hypertension,fatigue,neuralgia,pain in extremity. On
Jan 01, 2009 this consumer started treatment with Robaxin (dosage: NA). The following drugs were being taken at the same time:
  • Lisinopril
  • Nuvigil (150 Milligram;)
  • Neurontin
  • Cymbalta
  • Aspirin
  • Cymbalta
  • Coreg
When using Robaxin, the patient experienced the following unwanted symptoms/side effects: Blood Pressure Increased, Burning Sensation, HeadacheAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Blood Pressure Increased, may become evident only after a product is in use by the general population.
Robaxin Side Effect Report#8318599-1
White Blood Cell Count Decreased
This White Blood Cell Count Decreased side effect was reported by a physician from United States. A 47-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Robaxin (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Gilenya (0.5 Mg, Qd, Oral)
  • Neurontin
  • Nexium /01479302/ (esomeprazole Sodium)
  • Solu-medrol
.After starting to take Robaxin the consumer reported adverse symptoms, such as: White Blood Cell Count DecreasedThese side effects may potentially be related to Robaxin.
Robaxin Side Effect Report#8298418-2
Burns Third Degree, Lip Swelling, Blister
This is a report of a 42-year-old female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Robaxin (dosage: NA, start time:
Mar 01, 2012), combined with:
  • Sucralfate
  • Campho-phenique Antiseptic Liquid (1 Df, Prn)
  • Penicillin
  • Valium
and developed a serious reaction and side effect(s): Burns Third Degree, Lip Swelling, Blister after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Robaxin treatment in female patients, resulting in Burns Third Degree side effect.
Robaxin Side Effect Report#8236991-0
Bone Disorder, Depression, Anxiety, Cataract, Appendicitis, Visual Field Defect, Hypothyroidism, Bone Erosion, Inflammation
This report suggests a potential Robaxin Bone Disorder side effect(s) that can have serious consequences. A female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: NA and used Robaxin (dosage: NA) starting
Nov 01, 1998. After starting Robaxin the patient began experiencing various side effects, including: Bone Disorder, Depression, Anxiety, Cataract, Appendicitis, Visual Field Defect, Hypothyroidism, Bone Erosion, InflammationAdditional drugs used concurrently:
  • Aredia (60 Mg, Qmo)
  • Zometa (4 Mg, Qmo)
  • Multi-vitamins
  • Levothroid (1 Mg, Qd)
  • Prozac (20 Mg, Qd)
  • Bellamine S (Unk)
  • Diphenoxylate Hcl And Atropine Sulfate (1 Df, Bid)
Although Robaxin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Bone Disorder, may still occur.
Robaxin Side Effect Report#8204970-5
No Adverse Event
This No Adverse Event problem was reported by a consumer or non-health professional from United States. A 45-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Robaxin (dosage: NA). The following drugs were being taken at the same time:
  • Non Drowsy Sinus Congestion And Relief
  • Aleve (caplet)
  • Klonopin
  • Baclofen
  • Mobic
When using Robaxin, the patient experienced the following unwanted symptoms/side effects: No Adverse EventAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as No Adverse Event, may become evident only after a product is in use by the general population.
Robaxin Side Effect Report#8170181-5
Osteonecrosis Of Jaw, Bone Disorder, Foot Fracture, Exostosis, Gastrointestinal Haemorrhage, Cataract, Bone Erosion, Asthma, Oral Discomfort
This Osteonecrosis Of Jaw side effect was reported by a consumer or non-health professional from United States. A female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Robaxin (drug dosage: NA), which was initiated on
Nov 01, 1998. Concurrently used drugs:
  • Multi-vitamins
  • Femara (2.5 Mg, Qd)
  • Imodium
  • Bellamine S (Unk, Bid)
  • Arimidex
  • Prozac (20 Mg, Qd)
  • Zometa (4 Mg, Qmo)
  • Hydroxyzine
.After starting to take Robaxin the consumer reported adverse symptoms, such as: Osteonecrosis Of Jaw, Bone Disorder, Foot Fracture, Exostosis, Gastrointestinal Haemorrhage, Cataract, Bone Erosion, Asthma, Oral DiscomfortThese side effects may potentially be related to Robaxin.
Robaxin Side Effect Report#8161509-0
Insomnia
This is a report of a 54-year-old male patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Robaxin (dosage: NA, start time:
Aug 07, 2011), combined with:
  • Pegasys
  • Percodan (percodan)
  • Incivek (2250 Mg (750 Mg, 3 In 1 D), Oral)
  • Ribavirin
and developed a serious reaction and side effect(s): Insomnia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Robaxin treatment in male patients, resulting in Insomnia side effect.
Robaxin Side Effect Report#8137637-2
Anorectal Discomfort, Rash
This report suggests a potential Robaxin Anorectal Discomfort side effect(s) that can have serious consequences. A 54-year-old male patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: NA and used Robaxin (dosage: NA) starting
Sep 02, 2011. After starting Robaxin the patient began experiencing various side effects, including: Anorectal Discomfort, RashAdditional drugs used concurrently:
  • Incivek (2250 Mg (750 Mg, 3 In 1 D), Oral)
  • Ribavirin
  • Interferon (peginterferon Alfa-2a)
Although Robaxin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Anorectal Discomfort, may still occur.
Robaxin Side Effect Report#8079270-7
Fatigue, Injection Site Pain
This Fatigue problem was reported by a consumer or non-health professional from United States. A female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Aug 11, 2011 this consumer started treatment with Robaxin (dosage: Prn). The following drugs were being taken at the same time:
  • Gabapentin (Prn)
  • Vit D3
  • Demadex
  • Methotrexate (2.5 Mg A Week)
  • Klor-con M20 (Prn)
  • Humira
  • Folic Acid
  • Omeprizole
When using Robaxin, the patient experienced the following unwanted symptoms/side effects: Fatigue, Injection Site PainAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Fatigue, may become evident only after a product is in use by the general population.
Robaxin Side Effect Report#8025360-4
Gastrointestinal Pain, Diarrhoea
This Gastrointestinal Pain side effect was reported by a physician from United States. A 47-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Robaxin (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Tekturna (1 Df, Qd (300/25))
  • Kloapin
.After starting to take Robaxin the consumer reported adverse symptoms, such as: Gastrointestinal Pain, DiarrhoeaThese side effects may potentially be related to Robaxin. The patient was hospitalized.
Robaxin Side Effect Report#8024668-6
Gastrointestinal Pain, Diarrhoea
This is a report of a 47-year-old female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Robaxin (dosage: NA, start time: NS), combined with:
  • Tekturna (1 Df, Qd (300/25))
  • Kloapin
and developed a serious reaction and side effect(s): Gastrointestinal Pain, Diarrhoea after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Robaxin treatment in female patients, resulting in Gastrointestinal Pain side effect. The patient was hospitalized.
Robaxin Side Effect Report#8001238-7
Disturbance In Attention, Mental Impairment, Haemorrhagic Stroke
This report suggests a potential Robaxin Disturbance In Attention side effect(s) that can have serious consequences. A male patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: NA and used Robaxin (dosage: NA) starting NS. After starting Robaxin the patient began experiencing various side effects, including: Disturbance In Attention, Mental Impairment, Haemorrhagic StrokeAdditional drugs used concurrently:
  • Cholestyramine
  • Analgesics
  • Altace
  • Tegretol
  • Tricor
  • Crestor
  • Prozac
  • Atenolol
The patient was hospitalized. Although Robaxin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Disturbance In Attention, may still occur.
Robaxin Side Effect Report#7972634-9
Oropharyngeal Pain
This Oropharyngeal Pain problem was reported by a health professional from United States. A 63-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Feb 23, 2011 this consumer started treatment with Robaxin (dosage: NA). The following drugs were being taken at the same time:
  • Tramadol Hcl
  • Belladonna Alkaloids (belladonna Alkaloids)
  • Aspirin
  • Cymbalta
  • Flomax
  • Vytorin
  • Ntm
  • Mobic
When using Robaxin, the patient experienced the following unwanted symptoms/side effects: Oropharyngeal PainAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Oropharyngeal Pain, may become evident only after a product is in use by the general population.
Robaxin Side Effect Report#7887897-8
Rash, Genital Ulceration, Mouth Ulceration, Stomatitis, Lichenoid Keratosis
This Rash side effect was reported by a consumer or non-health professional from United States. A 50-year-old female patient (weight:NA) experienced the following symptoms/conditions: muscle spasms.The patient was prescribed Robaxin (drug dosage: 1-2 Tablets), which was initiated on
Sep 01, 2009. Concurrently used drugs:
  • Zanaflex (1-2 Tablets)
.After starting to take Robaxin the consumer reported adverse symptoms, such as: Rash, Genital Ulceration, Mouth Ulceration, Stomatitis, Lichenoid KeratosisThese side effects may potentially be related to Robaxin.
Robaxin Side Effect Report#7827246-4
Renal Failure Chronic, Chromaturia
This is a report of a 39-year-old male patient (weight: NA) from South Africa, suffering from the following health symptoms/conditions: NA, who was treated with Robaxin (dosage: 750 Mg, 8 Hourly, start time: NS), combined with:
  • Vancomycin
  • Clindamycin (500 Mg, 6 Hourly)
  • Lyrica (25 Mg, 2x/day)
  • Tramadol (2 Tablets 6 Hourly)
  • Aspirin (1 Unk, 1x/day)
  • Imovane (7.5 Mg, 1x/day Nocte)
  • Citalopram Hydrobromide (10 Mg, 1x/day)
  • Aterax (25 Mg, 8 Hourly)
and developed a serious reaction and side effect(s): Renal Failure Chronic, Chromaturia after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Robaxin treatment in male patients, resulting in Renal Failure Chronic side effect.


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The appearance of Robaxin on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.

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What are common Robaxin Side Effects for Women?

Women Side EffectsReports
Pain 8
Pulmonary Embolism 4
Anxiety 3
Bone Disorder 3
Deep Vein Thrombosis 3
Dyspnoea 3
Fatigue 3
Inflammation 3
Arthralgia 2
Bone Erosion 2

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Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:
    Side Effects Scale Date & Time Other Medicine(s) or Treatment(s)
    Scale: 1 = very mild to 10 = very bad

    Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

    You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

    Robaxin reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
    FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.

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    Discuss Robaxin Side Effects

    Did You Have a Robaxin Side Effect?

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    How Effective is Robaxin for You?

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    Robaxin Safety Alerts, Active Ingredients, Usage Information

    NDC0091-7429
    TypeHUMAN PRESCRIPTION DRUG
    Proprietary NameRobaxin
    NameMethocarbamol
    Dosage FormTABLET, FILM COATED
    RouteORAL
    On market since20030115
    LabelerSchwarz Pharma Inc.
    Active Ingredient(s)METHOCARBAMOL
    Strength(s)500
    Unit(s)mg/1
    Pharma ClassCentrally-mediated Muscle Relaxation [PE],Muscle Relaxant [EPC]

    Robaxin Dosage, Warnings, Usage.

    Side Effects reported to FDA: 59

    Robaxin safety alerts: No

    Reported deaths: 1

    Reported hospitalizations: 25

    Latest Robaxin clinical trials