Generic Name: benzoyl peroxide and erythromycin topical (BEN zoe ill per OX ide and er ith roe MYE sin)
Brand Name: Benzamycin
What is Benzamycin (benzoyl peroxide and erythromycin topical)?
Benzoyl peroxide has an antibacterial effect. It also has a mild drying effect that allows excess oils and dirt to be easily washed away.
Erythromycin is an antibiotic. Erythromycin topical prevents bacteria from growing on the skin.
Benzoyl peroxide and erythromycin topical (for the skin) is a combination medicine used to treat acne.
Benzoyl peroxide and erythromycin topical may also be used for purposes not listed in this medication guide.
What is the most important information I should know about Benzamycin (benzoyl peroxide and erythromycin topical)?
This medicine can cause a rare but serious allergic reaction or severe skin irritation. Stop using this medicine and get emergency medical help if you have: hives, itching; difficult breathing, feeling light-headed; or swelling of your face, lips, tongue, or throat.
What should I discuss with my healthcare provider before using Benzamycin (benzoyl peroxide and erythromycin topical)?
You should not use this medicine if you are allergic to benzoyl peroxide or erythromycin (Akne-Mycin, Eryderm, Erythrocin, Pediazole, and others).
FDA pregnancy category C. It is not known whether benzoyl peroxide and erythromycin topical will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medicine.
It is not known whether benzoyl peroxide and erythromycin topical passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
How should I use Benzamycin (benzoyl peroxide and erythromycin topical)?
Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended.
Wash your hands before and after applying this medication.
Clean and dry the area to which you will apply the medication. Benzoyl peroxide and erythromycin topical is usually applied twice daily in the morning and evening. Follow your doctor's directions.
Avoid getting this medicine in your eyes, mouth, or nose (or in the creases of your nose), or on your lips. If it does get into any of these areas, wash with water. Do not apply this medicine to sunburned, windburned, dry, chapped, irritated, or broken skin.
Do not cover the treated skin area after applying benzoyl peroxide and erythromycin topical. Doing so could cause too much medicine to be absorbed by the body and could be harmful.
It may take several weeks before your symptoms improve. Keep using the medication as directed and tell your doctor if your symptoms do not improve.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Apply the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the dose you missed and apply only the next regularly scheduled dose.
What happens if I overdose?
An overdose of benzoyl peroxide and erythromycin topical is not expected to be dangerous. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222 if anyone has accidentally swallowed the medication.
What should I avoid while taking Benzamycin (benzoyl peroxide and erythromycin topical)?
Do not use this medicine on sunburned, windburned, dry, chapped, or irritated skin. It could make these conditions much worse. Also avoid using benzoyl peroxide and erythromycin topical on wounds or on areas of eczema. Wait until these conditions have healed before using this medicine.
Avoid using skin products that can cause irritation, such as harsh soaps, shampoos, or skin cleansers, hair coloring or permanent chemicals, hair removers or waxes, or skin products with alcohol, spices, astringents, or lime.
Avoid using other medications on the areas you treat with benzoyl peroxide and erythromycin topical unless your doctor tells you to.
Antibiotic medicines can cause diarrhea, which may be a sign of a new infection. If you have diarrhea that is watery or bloody, stop using benzoyl peroxide and erythromycin topical and call your doctor. Do not use anti-diarrhea medicine unless your doctor tells you to.
Avoid exposure to sunlight or tanning beds. This medication can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
Avoid using sunscreen containing PABA on the same skin treated with benzoyl peroxide and erythromycin topical, or skin discoloration may occur.
Benzoyl peroxide can bleach hair or fabrics. Do not let this medicine come into contact with clothing, hair, or colored towels or bed linens.
Benzamycin (benzoyl peroxide and erythromycin topical) side effects
Benzoyl peroxide can cause a rare but serious allergic reaction or severe skin irritation. These reactions may occur just a few minutes after you apply the medicine, or within a day or longer afterward.
Stop using this medicine and get emergency medical help if you have any of these signs of an allergic reaction: hives, itching; difficult breathing, feeling light-headed; swelling of your face, lips, tongue, or throat.
Stop using this medicine and call your doctor at once if you have:
severe redness, burning, stinging, or peeling of treated skin areas; or
diarrhea that is watery or bloody.
Common side effects may include:
mild burning or stinging;
itching or tingly feeling;
dryness or peeling of treated skin; or
redness or other irritation.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect Benzamycin (benzoyl peroxide and erythromycin topical)?
Do not use benzoyl peroxide and erythromycin topical during treatment with tretinoin (Retin-A). The combination could lead to severe skin irritation.
It is not likely that other drugs you take orally or inject will have an effect on topically applied benzoyl peroxide and erythromycin. But many drugs can interact with each other. Tell each of your health care providers about all medicines you use, including prescription and over-the-counter medicines, vitamins, and herbal products.
More about Benzamycin (benzoyl peroxide / erythromycin topical)
Related treatment guides
Where can I get more information?
- Your pharmacist can provide more information about benzoyl peroxide and erythromycin topical.
- Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
- Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2012 Cerner Multum, Inc. Version: 2.02.
Date modified: January 10, 2017
Last reviewed: July 22, 2014