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Hydroxychlor Side Effects

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Common Hydroxychlor Side Effects


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

Cardiomyopathy (47)
Dyspnoea (44)
Nausea (35)
Fatigue (30)
Rash (29)
Vomiting (28)
Myopathy (22)
Arthralgia (22)
Headache (22)
Myelodysplastic Syndrome (21)
Condition Aggravated (20)
Diarrhoea (20)
Muscular Weakness (20)
Product Substitution Issue (18)
Pain (18)
Hypotension (16)
Asthenia (16)
Cardiac Arrest (15)
Restrictive Cardiomyopathy (15)
Oedema Peripheral (15)

➢ 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.

Hydroxychlor Side Effects Reported to FDA



Hydroxychlor Side Effect Report#8956931
Diarrhoea, Abdominal Pain, Pain, Abdominal Distension, Eyelid Oedema, Dizziness, Paraesthesia, Hypoaesthesia, Oedema Peripheral
This is a report of a female patient (weight: NA) from US, suffering from the following health symptoms/conditions: undifferentiated connective tissue disease, who was treated with Hydroxychloroquine (dosage: NA, start time:
Dec 01, 2012), combined with: NA. and developed a serious reaction and side effect(s): Diarrhoea, Abdominal Pain, Pain, Abdominal Distension, Eyelid Oedema, Dizziness, Paraesthesia, Hypoaesthesia, Oedema Peripheral after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Hydroxychloroquine treatment in female patients, resulting in Diarrhoea side effect.
Hydroxychlor Side Effect Report#8947493
Alveolitis Allergic
This report suggests a potential Hydroxychloroquine Alveolitis Allergic side effect(s) that can have serious consequences. A female patient (weight: NA) from TW was diagnosed with the following symptoms/conditions: NA and used Hydroxychloroquine (dosage: NA) starting NS. After starting Hydroxychloroquine the patient began experiencing various side effects, including: Alveolitis AllergicAdditional drugs used concurrently:
  • Sennoside
  • Sulfasalazine
  • Prednisolone
  • Folic Acid
  • Methotrexate
  • Acetaminophen/tramadol Hydrochloride (37.5/325mg)
  • Zolpidem Tartrate
  • Celecoxib
The patient was hospitalized. Although Hydroxychloroquine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Alveolitis Allergic, may still occur.
Hydroxychlor Side Effect Report#8937214
Tachycardia, Dyspnoea
This Tachycardia problem was reported by a consumer or non-health professional from US. A 39-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Hydroxychloroquine (dosage: 200mg Twice Daily Po). The following drugs were being taken at the same time: NA. When using Hydroxychloroquine, the patient experienced the following unwanted symptoms/side effects: Tachycardia, DyspnoeaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Tachycardia, may become evident only after a product is in use by the general population.
Hydroxychlor Side Effect Report#8935347
Treatment Failure
This Treatment Failure side effect was reported by a physician from US. A female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Hydroxychloroquine (drug dosage: NA), which was initiated on 2007. Concurrently used drugs: NA..After starting to take Hydroxychloroquine the consumer reported adverse symptoms, such as: Treatment FailureThese side effects may potentially be related to Hydroxychloroquine.
Hydroxychlor Side Effect Report#8928038
Atrial Fibrillation, Sick Sinus Syndrome, Cardiotoxicity, Muscular Weakness, Dyspnoea, Oedema Peripheral, Troponin I Increased, Diastolic Dysfunction, Differential White Blood Cell Count Abnormal
This is a report of a 64-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Hydroxychloroquine (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Atrial Fibrillation, Sick Sinus Syndrome, Cardiotoxicity, Muscular Weakness, Dyspnoea, Oedema Peripheral, Troponin I Increased, Diastolic Dysfunction, Differential White Blood Cell Count Abnormal after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Hydroxychloroquine treatment in female patients, resulting in Atrial Fibrillation side effect. The patient was hospitalized.
Hydroxychlor Side Effect Report#8910994
Cardiomyopathy, Cardiomegaly, Biopsy Heart Abnormal, Respiratory Failure, Hypoxia, Muscular Weakness, Blood Creatine Phosphokinase Increased, Troponin I Increased
This report suggests a potential Hydroxychloroquine Sulfate Cardiomyopathy side effect(s) that can have serious consequences. A 64-year-old female patient (weight: NA) from US was diagnosed with the following symptoms/conditions: rheumatoid arthritis and used Hydroxychloroquine Sulfate (dosage: NA) starting NS. After starting Hydroxychloroquine Sulfate the patient began experiencing various side effects, including: Cardiomyopathy, Cardiomegaly, Biopsy Heart Abnormal, Respiratory Failure, Hypoxia, Muscular Weakness, Blood Creatine Phosphokinase Increased, Troponin I IncreasedAdditional drugs used concurrently: NA.The patient was hospitalized. Although Hydroxychloroquine Sulfate demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Cardiomyopathy, may still occur.
Hydroxychlor Side Effect Report#8896907
Coeliac Disease
This Coeliac Disease problem was reported by a consumer or non-health professional from US. A 38-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On 1994 this consumer started treatment with Hydroxychloroquine Sulfate (dosage: NA). The following drugs were being taken at the same time:
  • Amitriptyline
  • Vitamin D
When using Hydroxychloroquine Sulfate, the patient experienced the following unwanted symptoms/side effects: Coeliac DiseaseAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Coeliac Disease, may become evident only after a product is in use by the general population.
Hydroxychlor Side Effect Report#8889453
Toxic Epidermal Necrolysis
This Toxic Epidermal Necrolysis side effect was reported by a health professional from CN. A 15-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Hydroxychloroquine (no Pref. Name) (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Hydroxychloroquine (no Pref. Name) the consumer reported adverse symptoms, such as: Toxic Epidermal NecrolysisThese side effects may potentially be related to Hydroxychloroquine (no Pref. Name).
Hydroxychlor Side Effect Report#8859596
Cardiomyopathy, Respiratory Failure, Hypoxia, Atrial Fibrillation, Sick Sinus Syndrome, Platelet Count Decreased, Blood Creatinine Increased, Aspartate Aminotransferase Increased
This is a report of a 64-year-old female patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Hydroxychloroquine (dosage: 200.00-mg - 1.0days / Oral, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Cardiomyopathy, Respiratory Failure, Hypoxia, Atrial Fibrillation, Sick Sinus Syndrome, Platelet Count Decreased, Blood Creatinine Increased, Aspartate Aminotransferase Increased after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Hydroxychloroquine treatment in female patients, resulting in Cardiomyopathy side effect.
Hydroxychlor Side Effect Report#8844096
Dyspnoea
This report suggests a potential Hydroxychloroquine Dyspnoea side effect(s) that can have serious consequences. A 46-year-old female patient (weight: NA) from NL was diagnosed with the following symptoms/conditions: systemic lupus erythematosis and used Hydroxychloroquine (dosage: NA) starting 2003. After starting Hydroxychloroquine the patient began experiencing various side effects, including: DyspnoeaAdditional drugs used concurrently:
  • Esomeprazol
The patient was hospitalized. Although Hydroxychloroquine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Dyspnoea, may still occur.
Hydroxychlor Side Effect Report#8839749
Feeling Drunk, Dizziness, Abnormal Behaviour
This Feeling Drunk problem was reported by a consumer or non-health professional from US. A 46-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Oct 04, 2012 this consumer started treatment with Hydroxychloroquine (dosage: NA). The following drugs were being taken at the same time: NA. When using Hydroxychloroquine, the patient experienced the following unwanted symptoms/side effects: Feeling Drunk, Dizziness, Abnormal BehaviourAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Feeling Drunk, may become evident only after a product is in use by the general population.
Hydroxychlor Side Effect Report#8839397
Stevens-johnson Syndrome
This Stevens-johnson Syndrome side effect was reported by a pharmacist from US. A 33-year-old female patient (weight:NA) experienced the following symptoms/conditions: autoimmune disorder.The patient was prescribed Hydroxychloroquine (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Hydroxychloroquine the consumer reported adverse symptoms, such as: Stevens-johnson SyndromeThese side effects may potentially be related to Hydroxychloroquine. The patient was hospitalized.
Hydroxychlor Side Effect Report#8839316
Palindromic Rheumatism, Condition Aggravated, Product Substitution Issue, Product Substitution Issue
This is a report of a female patient (weight: NA) from US, suffering from the following health symptoms/conditions: palindromic rheumatism, who was treated with Hydroxychloroquine Sulfate (dosage: 200 Mg, 2 Tabs Daily, Oral, start time: 201205), combined with: NA. and developed a serious reaction and side effect(s): Palindromic Rheumatism, Condition Aggravated, Product Substitution Issue, Product Substitution Issue after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Hydroxychloroquine Sulfate treatment in female patients, resulting in Palindromic Rheumatism side effect.
Hydroxychlor Side Effect Report#8825949
Hepatitis B, Alanine Aminotransferase Increased
This report suggests a potential Hydroxychloroquine Sulfate Hepatitis B side effect(s) that can have serious consequences. A 63-year-old female patient (weight: NA) from CN was diagnosed with the following symptoms/conditions: rheumatoid arthritis and used Hydroxychloroquine Sulfate (dosage: NA) starting NS. After starting Hydroxychloroquine Sulfate the patient began experiencing various side effects, including: Hepatitis B, Alanine Aminotransferase IncreasedAdditional drugs used concurrently:
  • Methotrexate
  • Prednisone
Although Hydroxychloroquine Sulfate demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Hepatitis B, may still occur.
Hydroxychlor Side Effect Report#8805273
Keratopathy
This Keratopathy problem was reported by a health professional from TR. A 35-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: leukocytoclastic vasculitis. On NS this consumer started treatment with Hydroxychloroquine (dosage: 400 Mg, Qd). The following drugs were being taken at the same time: NA. When using Hydroxychloroquine, the patient experienced the following unwanted symptoms/side effects: KeratopathyAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Keratopathy, may become evident only after a product is in use by the general population.
Hydroxychlor Side Effect Report#8790857
Gingival Inflammation, Gingival Recession, Dry Mouth, Tooth Fracture
This Gingival Inflammation side effect was reported by a consumer or non-health professional from US. A 55-year-old female patient (weight:NA) experienced the following symptoms/conditions: osteoarthritis.The patient was prescribed Hydroxychloroquine (drug dosage: 200 Mg One Tablet Per Day Po), which was initiated on
Apr 13, 2011. Concurrently used drugs: NA..After starting to take Hydroxychloroquine the consumer reported adverse symptoms, such as: Gingival Inflammation, Gingival Recession, Dry Mouth, Tooth FractureThese side effects may potentially be related to Hydroxychloroquine.
Hydroxychlor Side Effect Report#8771510
Progressive Multifocal Leukoencephalopathy
This is a report of a 29-year-old female patient (weight: NA) from SE, suffering from the following health symptoms/conditions: dermatomyositis, who was treated with Hydroxychloroquine Sulfate (watson Laboratories) (dosage: Unk Mg, Daily, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Progressive Multifocal Leukoencephalopathy after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Hydroxychloroquine Sulfate (watson Laboratories) treatment in female patients, resulting in Progressive Multifocal Leukoencephalopathy side effect.
Hydroxychlor Side Effect Report#8757237
Asthma, Bronchospasm, Wheezing, Dyspnoea
This report suggests a potential Hydroxychloroquine Asthma side effect(s) that can have serious consequences. A 70-year-old male patient (weight: NA) from GB was diagnosed with the following symptoms/conditions: rheumatoid arthritis and used Hydroxychloroquine (dosage: NA) starting
Mar 26, 2012. After starting Hydroxychloroquine the patient began experiencing various side effects, including: Asthma, Bronchospasm, Wheezing, DyspnoeaAdditional drugs used concurrently:
  • Aspirin
  • Simvastatin
  • Lansoprazole
  • Paracetamol
  • Timolol
  • Bimatoprost (Cumulative Dose: 108)
Although Hydroxychloroquine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Asthma, may still occur.
Hydroxychlor Side Effect Report#8711583
Toxic Skin Eruption, Condition Aggravated, Autoimmune Disorder, Pleural Effusion, Lymphadenopathy, Leukopenia, Anaemia, Renal Failure Acute
This Toxic Skin Eruption problem was reported by a health professional from ES. A 19-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: autoimmune disorder. On NS this consumer started treatment with Hydroxychloroquine Sulfate (watson Laboratories) (dosage: Unk). The following drugs were being taken at the same time:
  • Rifampicin (Unk)
When using Hydroxychloroquine Sulfate (watson Laboratories), the patient experienced the following unwanted symptoms/side effects: Toxic Skin Eruption, Condition Aggravated, Autoimmune Disorder, Pleural Effusion, Lymphadenopathy, Leukopenia, Anaemia, Renal Failure AcuteAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Toxic Skin Eruption, may become evident only after a product is in use by the general population.
Hydroxychlor Side Effect Report#8494374-2
Visual Acuity Reduced
This Visual Acuity Reduced side effect was reported by a health professional from Korea, Republic Of. A 44-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Hydroxychloroquine Sulfate (drug dosage: 400 Mg;bid;po), which was initiated on NS. Concurrently used drugs: NA..After starting to take Hydroxychloroquine Sulfate the consumer reported adverse symptoms, such as: Visual Acuity ReducedThese side effects may potentially be related to Hydroxychloroquine Sulfate.
Hydroxychlor Side Effect Report#8492073-4
Lethargy, Nausea, Visual Impairment, Asthenia, Rash, Decreased Appetite, Oral Discomfort, Lip Swelling, Mood Swings
This is a report of a 83-year-old female patient (weight: NA) from United States, suffering from the following health symptoms/conditions: NA, who was treated with Hydroxychloroquine Sulfate (dosage: NA, start time: NS), combined with:
  • Colcrys
  • Crestor
and developed a serious reaction and side effect(s): Lethargy, Nausea, Visual Impairment, Asthenia, Rash, Decreased Appetite, Oral Discomfort, Lip Swelling, Mood Swings after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Hydroxychloroquine Sulfate treatment in female patients, resulting in Lethargy side effect.
Hydroxychlor Side Effect Report#8472959-7
Systemic Lupus Erythematosus, Arthralgia, Fatigue
This report suggests a potential Hydroxychloroquine Sulfate Systemic Lupus Erythematosus side effect(s) that can have serious consequences. A 50-year-old female patient (weight: NA) from United States was diagnosed with the following symptoms/conditions: systemic lupus erythematosus and used Hydroxychloroquine Sulfate (dosage: NA) starting
Aug 01, 2010. After starting Hydroxychloroquine Sulfate the patient began experiencing various side effects, including: Systemic Lupus Erythematosus, Arthralgia, FatigueAdditional drugs used concurrently:
  • Lexapro
  • Aspirin
Although Hydroxychloroquine Sulfate demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Systemic Lupus Erythematosus, may still occur.
Hydroxychlor Side Effect Report#8462195-2
Cutaneous Lupus Erythematosus, Thyroiditis Subacute
This Cutaneous Lupus Erythematosus problem was reported by a physician from Greece. A 50-year-old female patient (weight: NA) was diagnosed with the following symptoms/conditions: rheumatoid arthritis. On NS this consumer started treatment with Hydroxychloroquine Sulfate (dosage: Unk). The following drugs were being taken at the same time:
  • Enbrel (50 Mg, Weekly)
  • Prednisolone (30 Mg/d)
  • Prednisolone (5 Mg, 1x/day)
  • Prednisolone (5 Mg/d)
When using Hydroxychloroquine Sulfate, the patient experienced the following unwanted symptoms/side effects: Cutaneous Lupus Erythematosus, Thyroiditis SubacuteThe 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 Cutaneous Lupus Erythematosus, may become evident only after a product is in use by the general population.
Hydroxychlor Side Effect Report#8460831-8
Pericardial Effusion, Fatigue, Pneumonia
This Pericardial Effusion side effect was reported by a physician from United States. A 71-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Hydroxychloroquine Sulfate (drug dosage: Unk), which was initiated on
Jan 01, 2002. Concurrently used drugs:
  • Enbrel (25 Mg, 2 Times/wk)
  • Methotrexate (Unk)
.After starting to take Hydroxychloroquine Sulfate the consumer reported adverse symptoms, such as: Pericardial Effusion, Fatigue, PneumoniaThese side effects may potentially be related to Hydroxychloroquine Sulfate.
Hydroxychlor Side Effect Report#8447780-6
Cellulitis
This is a report of a female patient (weight: NA) from Germany, suffering from the following health symptoms/conditions: rheumatoid arthritis, who was treated with Hydroxychloroquine Sulfate (dosage: NA, start time:
Dec 18, 2009), combined with:
  • Prednisolone
  • Cimzia (200 Mg)
  • Omeprazole
  • Amlodipine
  • Atacand
  • Methotrexate
and developed a serious reaction and side effect(s): Cellulitis after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Hydroxychloroquine Sulfate treatment in female patients, resulting in Cellulitis side effect.


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The appearance of Hydroxychlor 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 Hydroxychlor Side Effects for Women?

Women Side EffectsReports
Cardiomyopathy 43
Dyspnoea 38
Nausea 30
Fatigue 27
Rash 25
Vomiting 23
Myopathy 21
Headache 20
Arthralgia 19
Diarrhoea 19

What are common Hydroxychlor Side Effects for Men?

Men Side EffectsReports
Myelodysplastic Syndrome 11
Completed Suicide 7
Anaphylactic Reaction 6
Dyspnoea 6
Maculopathy 6
Pancytopenia 6
Refractory Anaemia 6
Dysgeusia 5
Nausea 5
Visual Field Defect 5

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Why Your Notes are Important

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  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

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    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.

    Hydroxychlor 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 Hydroxychlor Side Effects

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    How Effective is Hydroxychlor for You?

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    Hydroxychlor Safety Alerts, Active Ingredients, Usage Information

    NDC0143-2128
    TypeHUMAN PRESCRIPTION DRUG
    Proprietary NameHydroxychloroquine Sulfate
    NameHydroxychloroquine Sulfate
    Dosage FormTABLET, FILM COATED
    RouteORAL
    On market since20070815
    LabelerWest-ward Pharmaceutical Corp
    Active Ingredient(s)HYDROXYCHLOROQUINE SULFATE
    Strength(s)200
    Unit(s)mg/1
    Pharma ClassAntirheumatic Agent [EPC]

    More About Hydroxychlor

    Side Effects reported to FDA: 720

    Hydroxychlor safety alerts: No

    Reported deaths: 53

    Reported hospitalizations: 168

    Latest Hydroxychlor clinical trials