What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Zorvolex (diclofenac)


Zorvolex (diclofenac)

Prescription Required


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  • Product Details


    Your doctor may prescribe Zorvolex for the treatment of mild to moderate pain. It is an NSAID and should be used for as short of a time as possible to reduce the risk of side effects.

    Fact Table




    US FDA



    Legal status


    Chemical Name


    Elimination half-life

    1.2–2 h

    Dosage (Strength)

    18mg, 35mg


    Consult Doctor



    Protein binding

    More than 99%

    PubChem CID






    ATC code






    Routes of administration

    By mouth, rectal, intramuscular, intravenous, topical


    The usual dosage is 18-35 mg by mouth once daily with food. Do not take longer than prescribed.


    The active ingredient is diclofenac.


    Tell your pharmacist and doctor if you are taking any of the following:

    • Abrocitinib
    • Acemetacin
    • Aminolevulinic Acid
    • Apixaban
    • Bemiparin
    • Cyclosporine
    • Dabigatran Etexilate
    • Deferiprone
    • Edoxaban
    • Enoxaparin
    • Heparin
    • Ketorolac
    • Lithium
    • Loop Diuretics
    • Macimorelin
    • Methotrexate
    • Mifamurtide
    • Nonsteroidal Anti-Inflammatory Agents
    • Nonsteroidal Anti-Inflammatory Agents
    • Phenylbutazone
    • Pralatrexate
    • Rivaroxaban
    • Salicylates
    • Selective Serotonin Reuptake Inhibitors
    • Sincalide
    • Sodium Phosphates
    • Tenofovir Products
    • Tenoxicam
    • Urokinase
    • Vitamin K Antagonists


    Use caution if you have a history of the following:

    Ask your pharmacist and doctor for a full list of precautions.

    Side Effects

    Common side effects may include:

    • Abdominal pain 
    • Abnormal dreams
    • Acute myocardial infarction
    • Agranulocytosis
    • Alopecia
    • Anaphylaxis
    • Anemia
    • Angioedema
    • Anxiety
    • Aplastic anemia
    • Asthenia
    • Asthma
    • Auditory impairment
    • Back pain 
    • Blurred vision
    • Cardiac arrhythmia
    • Cardiac failure
    • Cerebrovascular accident
    • Change in appetite
    • Colitis
    • Coma
    • Confusion
    • Conjunctivitis
    • Constipation 
    • Coronary thrombosis
    • Cystitis
    • Depression
    • Diaphoresis 
    • Diarrhea
    • Dizziness 
    • Drowsiness 
    • Duodenal ulcer
    • Dyspepsia 
    • Dyspnea
    • Dysuria
    • Ecchymoses
    • Edema 
    • Eosinophilia
    • Eructation
    • Erythema multiforme
    • Esophagitis
    • Exfoliative dermatitis
    • Fever
    • Flatulence 
    • Fluid retention
    • Flushing
    • Fulminant hepatitis
    • Gastric ulcer
    • Gastritis
    • Gastrointestinal hemorrhage
    • Gastrointestinal inflammation
    • Gastrointestinal perforation
    • Glossitis
    • Hallucination
    • Headache 
    • Heartburn
    • Hematemesis
    • Hematuria
    • Hemolytic anemia
    • Hepatic failure
    • Hepatic necrosis
    • Hepatitis
    • Hepatotoxicity
    • Hyperglycemia
    • Hypertension 
    • Hypotension
    • Increased liver enzymes
    • Increased serum alanine aminotransferase 
    • Increased serum aspartate aminotransferase
    • Increased serum creatinine 
    • Infection
    • Insomnia
    • Interstitial nephritis
    • Jaundice
    • Leukopenia
    • Limb pain 
    • Lymphadenopathy
    • Malaise
    • Melena
    • Meningitis
    • Musculoskeletal pain 
    • Nausea 
    • Necrolysis
    • Nervousness
    • Oliguria
    • Palpitations
    • Pancreatitis
    • Pancytopenia
    • Paresthesia
    • Peptic ulcer
    • Pneumonia
    • Polyuria
    • Prolonged bleeding time
    • Proteinuria
    • Pruritus 
    • Purpuric disease
    • Rectal hemorrhage
    • Renal failure syndrome
    • Renal function abnormality
    • Renal papillary necrosis
    • Respiratory depression
    • Seizure 
    • Sepsis
    • Sinusitis 
    • Skin photosensitivity
    • Skin rash
    • Stevens-Johnson syndrome
    • Stomatitis
    • Syncope
    • Tachycardia
    • Thrombocytopenia
    • Tinnitus
    • Toxic epidermal 
    • Tremor
    • Upper abdominal pain 
    • Urticaria
    • Vasculitis
    • Vertigo
    • Vomiting 
    • Weight changes
    • Xerostomia


    Zorvolex. Philadelphia, PA: Iroko Pharmaceuticals, LLC; 2013.

    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Product Code : 13634

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