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Benzamycin (Generic Benzoyl Peroxide Topical)

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Why is this medication prescribed?

Benzoyl peroxide topical is commonly prescribed for the treatment of acne. It works by killing the bacteria that cause acne, reducing inflammation, and helping to unclog pores.

How should this medicine be used?

Here’s how benzoyl peroxide topical is typically used:

  • Cleanse the affected area: Before applying benzoyl peroxide, wash the affected skin area with a gentle cleanser and pat it dry.
  • Apply a thin layer: Using clean fingertips, apply a thin layer of benzoyl peroxide to the affected areas. It’s important to use only the amount prescribed by your healthcare provider or as directed on the product label.
  • Start with lower concentrations: Benzoyl peroxide comes in different strengths, typically ranging from 2.5% to 10%. It’s often recommended to start with a lower concentration to minimize potential irritation, especially if you have sensitive skin.
  • Use once or twice daily: Benzoyl peroxide is usually applied once or twice daily, depending on the severity of acne and the product’s strength. Follow your healthcare provider’s instructions or the directions on the product label.
  • Avoid contact with eyes, mouth, and mucous membranes: Be careful to avoid getting benzoyl peroxide in your eyes, mouth, or other mucous membranes, as it can cause irritation. If accidental contact occurs, rinse thoroughly with water.
  • Be patient: It may take several weeks of consistent use before you notice significant improvement in your acne. Stick to the treatment regimen prescribed by your healthcare provider for the best results.
  • Moisturize if needed: Benzoyl peroxide can sometimes cause dryness or irritation, especially during the initial weeks of treatment. If you experience excessive dryness, you may need to use a non-comedogenic moisturizer to help alleviate discomfort.
  • Use sunscreen: Benzoyl peroxide can increase sensitivity to sunlight, so it’s important to use a broad-spectrum sunscreen with SPF 30 or higher when exposed to the sun.

Always consult with your healthcare provider or dermatologist before starting any new acne treatment regimen, and follow their instructions carefully for the best results.

Other uses for this medicine

While benzoyl peroxide is primarily used for acne treatment, it may have other uses as well. Some dermatologists may prescribe benzoyl peroxide for conditions such as folliculitis (inflammation of the hair follicles) or seborrheic dermatitis (a skin condition that causes scaly patches and red skin, commonly known as dandruff). However, the primary and most researched use of benzoyl peroxide remains acne treatment.

What special precautions should I follow?

When using benzoyl peroxide topical, it’s important to follow these special precautions:

  • Avoid excessive exposure to sunlight: Benzoyl peroxide can increase sensitivity to sunlight, so it’s essential to use sunscreen and protective clothing when outdoors. Limit sun exposure, especially during peak hours.
  • Avoid contact with hair or colored fabrics: Benzoyl peroxide can bleach hair and fabrics, including clothing, towels, and bedding. Be cautious to prevent contact with colored fabrics or surfaces, as it may cause discoloration.
  • Be gentle with your skin: Avoid using harsh or abrasive cleansers, scrubs, or exfoliants while using benzoyl peroxide, as it can increase irritation. Use gentle skincare products and avoid scrubbing or rubbing your skin excessively.
  • Minimize irritation: Benzoyl peroxide can cause dryness, redness, or peeling, especially during the initial weeks of treatment. If irritation occurs, reduce the frequency of application or use a lower concentration. You can also consider using a moisturizer to help alleviate dryness.
  • Avoid combining with other acne medications: Using multiple acne medications at the same time, especially those containing retinoids, salicylic acid, or sulfur, can increase the risk of skin irritation. Consult your healthcare provider before using benzoyl peroxide with other acne treatments.

Always follow the instructions provided by your healthcare provider or the product label when using benzoyl peroxide topical, and don’t hesitate to reach out to them if you have any questions or concerns.

What special dietary instructions should I follow?

Regarding special dietary instructions, there are typically no specific dietary restrictions associated with using benzoyl peroxide topical. However, maintaining a healthy diet rich in fruits, vegetables, whole grains, and lean proteins can support overall skin health.

What should I do if I forget a dose?

If you forget to apply a dose of benzoyl peroxide topical, apply it as soon as you remember. However, if it’s almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not apply extra medication to make up for the missed dose, as it may increase the risk of irritation. If you have any concerns or questions about missed doses, consult your healthcare provider or pharmacist for guidance.

What side effects can this medication cause?

Benzoyl peroxide topical is generally well-tolerated, but like any medication, it can cause side effects in some people. Common side effects may include:

  • Skin dryness: Benzoyl peroxide can cause dryness, flakiness, and peeling of the skin, especially during the initial stages of treatment. This can be managed with the use of a gentle moisturizer.
  • Skin irritation: Some individuals may experience redness, itching, or burning at the site of application. This is more likely to occur with higher concentrations of benzoyl peroxide or with sensitive skin.
  • Allergic reactions: Although rare, allergic reactions to benzoyl peroxide can occur. Symptoms may include rash, hives, swelling, or difficulty breathing. If you experience any signs of an allergic reaction, discontinue use and seek medical attention immediately.
  • Increased sensitivity to sunlight: Benzoyl peroxide can make the skin more sensitive to sunlight, leading to an increased risk of sunburn. It’s important to use sunscreen and protective clothing while using benzoyl peroxide and to avoid prolonged sun exposure.
  • Bleaching of hair and fabrics: Benzoyl peroxide may have a bleaching effect on hair, clothing, and bedding. Avoid contact with colored or delicate fabrics and wash your hands thoroughly after applying benzoyl peroxide.
  • Excessive use can cause more irritation: Using benzoyl peroxide more frequently or in higher concentrations than recommended can lead to increased irritation and may worsen acne symptoms.
  • Contact dermatitis: In some cases, benzoyl peroxide can cause contact dermatitis, a skin reaction characterized by redness, itching, and inflammation at the site of application.

It’s essential to follow the instructions provided by your healthcare provider or the product label when using benzoyl peroxide topical. If you experience severe or persistent side effects, discontinue use and consult your healthcare provider for further guidance.

What should I know about storage and disposal of this medication?

When it comes to storing and disposing of benzoyl peroxide topical:


  • Store benzoyl peroxide topical at room temperature away from moisture and heat.
  • Keep the container tightly closed when not in use.
  • Do not freeze benzoyl peroxide products.
  • Keep it out of reach of children and pets.


  • Follow any specific disposal instructions provided on the product label or by your healthcare provider.
  • Do not dispose of benzoyl peroxide products by pouring them down the drain unless instructed to do so.
  • If you’re unsure about how to dispose of benzoyl peroxide, consult your pharmacist or local waste disposal facility.

In case of emergency/overdose

  • In case of accidental ingestion or overdose of benzoyl peroxide topical, contact your local poison control center (in the United States, call 1-800-222-1222) or seek emergency medical attention immediately.
  • If benzoyl peroxide comes into contact with sensitive areas such as the eyes, mouth, or nose, rinse thoroughly with water.
  • Provide healthcare professionals with as much information as possible about the amount ingested or applied and any symptoms experienced.

What other information should I know?

  • Follow the directions provided by your healthcare provider or on the product label carefully when using benzoyl peroxide topical.
  • Avoid using benzoyl peroxide on broken or irritated skin.
  • Benzoyl peroxide may bleach hair, fabrics, and colored clothing, so be cautious when applying it and wash your hands thoroughly afterward.
  • It may take several weeks of consistent use to see significant improvement in acne symptoms.
  • If you experience severe or persistent side effects, discontinue use and consult your healthcare provider.
  • Inform your healthcare provider about any other medications or skincare products you’re using, as they may interact with benzoyl peroxide.

By following these guidelines for storage, disposal, emergency procedures, and additional information, you can use benzoyl peroxide topical safely and effectively. If you have any questions or concerns, don’t hesitate to consult your healthcare provider or pharmacist for guidance.

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