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.

Preparation H cream with Biodyne (Phenyleph/ Pramoxin)


Preparation H cream with Biodyne (Phenyleph/ Pramoxin)

25 g
50 g

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  • Product Details


    Preparation H with Bio-Dyne is a cream that shrinks hemorrhoids and alleviates pain, itching, irritation, and swelling that is caused by hemorrhoids.

    Fact Table


    C17H27NO3, C9H13NO2


    US DailyMed, US FDA, EU EMA



    Legal status


    Chemical Name

    Phenyleph/ Pramoxin

    Elimination half-life

    2.1–3.4 h

    Dosage (Strength)

    25 g, 50 g


    Consult Doctor


    Preparation H

    Protein binding


    PubChem CID

    4886, 6041




    8357, 8093

    ATC code

    D04AB07, C01CA06





    Routes of administration



    Read the instructions that come with your prescription. Use the medication as prescribed by your doctor. If you have any questions or concerns about your prescription, talk to your doctor or pharmacist.

    Patients generally apply Preparation H cream with Bio-Dyne in the morning and at night and after each bowel movement. The applicator should be lubricated before applying the cream. Clean the applicator well after each use.

    Preparation H cream with Bio-Dyne may stain clothing.


    Bio-Dyne, a yeast as a live cell derivative, and other ingredients that help alleviate irritation, inflammation, itching, and further discomfort caused by hemorrhoids are contained in the medication. 

    Inactive ingredients include butylated hydroxyanisole, cellulose, cetyl alcohol, citric acid, disodium edetate, glycerin, glyceryl monostearate, glycerol oleate, lanolin, parabens, petrolatum, propyl gallate, propylene glycol, simethicone emulsion, sodium benzoate, sodium lauryl sulfate, stearyl alcohol, water, and xanthan gum.


    • Before you start treatment with Preparation H with Bio-Dyne, it's important that you tell your doctor about:
      • All the medications you take, including other creams and ointments
      • Your allergies
      • Your health history and current medical problems
      • Your pregnancy or breastfeeding status
    • If your discomfort and pain does not go away or if you experience bleeding, contact your doctor right away.
    • Keep Preparation H with Bio-Dyne away from children. 
    • Store Preparation H with Bio-Dyne at room temperature.

    Side Effects

    Preparation H with Bio-Dyne may cause mild rectal pain, burning, or itching. However, if you find that the medication causes side effects that bother you or won't go away, notify your doctor immediately. 


    Preparation H.

    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 : 2217

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