Medically reviewed: September 15, 2017
What is Klaron?
Klaron may also be used for purposes not listed in this medication guide.
You should not use this medicine if you are allergic to sulfa drugs.
Before taking this medicine
You should not use this medicine if you are allergic to sulfacetamide sodium or sulfa drugs.
To make sure this medicine is safe for you, tell your doctor if you have:
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
It is not known whether Klaron passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
Do not use this medicine on a child younger than 12 years old.
How should I use Klaron?
Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended.
You may need to shake the medicine before each use. Follow the directions on your medicine label.
Make sure the treatment area is clean and dry before using Klaron cream, gel, lotion, or solution. Apply the medicine in a thin layer and rub in gently.
To use sulfacetamide sodium soap, wet the skin and apply enough of the medicine to work into a lather. Massage the lather on the skin gently and then rinse thoroughly with plain water. Pat the skin dry with a clean towel.
Apply the foam to dry hair when treating your scalp. Massage gently into the scalp until all the foam dissolves. Allow the foam to dry completely on the treated area.
Do not apply Klaron over large skin areas.
Wash your hands after applying this medicine.
If you are using this medicine on your scalp, wash your hair with a non-medicated shampoo at least once per week during treatment.
Klaron is usually applied 2 times per day for 8 to 10 days. Space your doses evenly by applying the medicine at the same times each day.
You may need to keep using the medicine once or twice per week, or once every other week. Follow your doctor's instructions. Call your doctor if your condition comes back after you stop using Klaron.
Call your doctor if your symptoms do not improve, or if they get worse while using this medicine.
Store at room temperature away from moisture and heat. Do not freeze.
Store the foam canister upright and keep away from open flame or high heat, such as in a car on a hot day. The canister may explode if it gets too hot. Do not puncture or burn an empty canister.
What happens if I miss a dose?
Apply the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include nausea and vomiting, blood in your urine, or urinating less than usual.
What should I avoid while using Klaron?
Do not use this medicine for any skin infection that has not been checked by a doctor.
Avoid getting this medicine in your eyes, nose, or mouth. If this does happen, rinse with water. Do not use the medicine on sunburned, windburned, dry, chapped, irritated, or broken skin. Avoid getting Klaron soap on your eyelids or lips while washing with it.
Avoid getting this medicine on your clothing. Klaron may leave a slight yellow color on light fabrics.
Avoid exposure to sunlight or tanning beds. Klaron can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
Avoid using other medications on the areas you treat with Klaron unless your doctor tells you to.
Klaron side effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using this medicine and call your doctor at once if you have:
the first sign of any skin rash, no matter how mild;
pale skin, easy bruising or bleeding;
new or worsening skin infection;
severe skin reaction--fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.
Common side effects may include:
mild swelling, itching, or redness of treated skin;
dry skin; or
yellow discoloration of treated skin (may be a sign that you have applied too much of the medicine).
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 Klaron?
This list is not complete and other drugs may interact with Klaron. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
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.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2018 Cerner Multum, Inc. Version: 2.07.
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- Drug class: topical antibiotics