Mexar

Generic name:sulfacetamide sodium topical [ SUL-fa-SEET-a-mide-SOE-dee-um-TOP-i-kal ]
Brand names: Klaron, Mexar, Ovace, Ovace Plus, Seb-Prev
Drug class:Topical antibiotics

Medically reviewed by Drugs.com on Sep 6, 2021. Written by Cerner Multum.

What is Mexar?

Sulfacetamide sodium is an antibiotic that fights bacteria on the skin.

Mexar (for the skin) is used to treat acne, dandruff, seborrheic dermatitis (red, flaking skin rash), and certain skin infections.

Mexar may also be used for purposes not listed in this medication guide.

Warnings

You should not use Mexar 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:

• lupus;

• asthma; or

• a sulfite allergy.

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 sulfacetamide sodium topical 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 Mexar?

Follow all directions on your prescription label. Do not use Mexar 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 Mexar 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 Mexar 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 s...