This medication is used to treat acne. It works by stopping the growth of certain bacteria on the skin that can worsen acne. Sodium sulfacetamide belongs to a class of drugs known as sulfa antibiotics.

How to use Klaron Top
This medication is for use on the skin only.
Shake the container well before each use. With clean hands, apply a thin film of the lotion to the areas of skin with acne, usually twice daily or as directed by your doctor. Wash your hands with soap and water after each use.
Avoid getting this medication in the eyes, nose, or mouth. If you do get medication into these areas, rinse with plenty of water.
Use this medication regularly to get the most benefit from it. Do not use large amounts of this medication, use it more often, or use it for a longer time than prescribed. Your condition will not improve any faster, and your risk of side effects may be increased.
Tell your doctor if your acne does not improve after a few weeks. Stop using this medication and tell your doctor immediately if your acne worsens, or if you develop a rash or other serious side effects. See Side Effects section.

Skin redness, irritation, stinging, and burning at the application site may occur and lessen over time as your body adjusts to the medication. If any of these effects persist or worsen, stop using this medication and tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Rarely, sodium sulfacetamide products applied to the skin may be absorbed and may cause serious side effects. Stop using this product and tell your doctor immediately if any of these rare but serious side effects occur: aching/swollen joints, rash on nose and cheeks, signs of infection (such as fever, persistent sore throat), signs of anemia (such as unusual tiredness/weakness, rapid breathing, fast heartbeat), unusual bleeding/bruising, signs of liver problems (such as dark urine, yellowing eyes/skin, stomach/abdominal pain, persistent nausea, vomiting), mouth sores.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Before using sulfacetamide lotion, tell your doctor or pharmacist if you are allergic to it; or to sulfa antibiotics (such as sulfamethoxazole); or if you have any other allergies. This product may contain inactive ingredients (such as sulfites), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history.
Tell your doctor if there are areas of skin near where this product will be applied that are cut, scraped, burned, or infected. Injured skin may absorb more of this product, and the chance of serious side effects may increase.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.

The effects of some drugs can change if you take other drugs or herbal products at the same time. This can increase your risk for serious side effects or may cause your medications not to work correctly. These drug interactions are possible, but do not always occur. Your doctor or pharmacist can often prevent or manage interactions by changing how you use your medications or by close monitoring.
To help your doctor and pharmacist give you the best care, be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products) before starting treatment with this product. While using this product, do not start, stop, or change the dosage of any other medicines you are using without your doctor\'s approval.
Some products that may interact with this drug include: skin products containing silver.
This document does not contain all possible drug interactions. Keep a list of all the products you use. Share this list with your doctor and pharmacist to lessen your risk for serious medication problems.

This medication may be harmful if swallowed. If swallowing or overdose is suspected, contact a poison control center or emergency room immediately. US residents should call the US National Poison Hotline at 1-800-222-1222. Canada residents should call a provincial poison control center.

NOTES:
Do not share this medication with others.
Keep all medical appointments.

MISSED DOSE:
If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

STORAGE:
Store at room temperature between 68-77 degrees F (20-25 degrees C). Keep the container cap tightly closed. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
Information last revised August 2010. Copyright(c) 2010 First Databank, Inc.