What is Sulpho-Lac Soap?
Sulpho-Lac Soap may also be used for purposes not listed in this medication guide.
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Before taking this medicine
You should not use Sulpho-Lac Soap if you are allergic to sulfur.
Ask a doctor or pharmacist if this medicine is safe to use if you have severe acne, or acne over large areas of skin.
Ask a doctor before using this medicine if you are pregnant or breast-feeding.
How should I use Sulpho-Lac Soap?
Do not take by mouth. Topical medicine is for use only on the skin or scalp.
Use exactly as directed on the label, or as prescribed by your doctor.
You may need to shake this medicine before each use. Follow directions on the label.
Wash your hands before and after applying Sulpho-Lac Soap lotion. Also clean and gently dry the skin area to be treated.
Apply a thin layer of sulfur topical lotion to the affected skin up to 3 times per day. Rub in gently. Apply the lotion less often if your skin becomes overly dry or peels.
Do not cover treated skin with a bandage. Heat or bandaging can increase the amount of drug absorbed through your skin and may cause harmful effects.
When using Sulpho-Lac Soap shampoo, follow all directions on the product label. You may need to leave the shampoo on your scalp for a few minutes before rinsing.
It may take several weeks before your skin condition improves. Keep using the medication as directed and call a doctor if your symptoms do not improve.
Do not stop using this medicine if you do not see results immediately.
Store Sulpho-Lac Soap at room temperature. Do not freeze.
What happens if I miss a dose?
Apply the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not apply two doses at one time.
What happens if I overdose?
An overdose of Sulpho-Lac Soap 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 using sulfur topical?
Avoid getting Sulpho-Lac Soap in your eyes, nose, mouth, or on your lips. Rinse with water if contact does occur.
Do not use on open wounds or on sunburned, windburned, dry, or irritated skin.
Also avoid using Sulpho-Lac Soap on areas of eczema. Wait until these areas have healed before using this medicine.
Avoid using other acne medications on the areas you treat with Sulpho-Lac Soap, unless your doctor tells you to.
Avoid using skin products that can cause irritation, such as harsh soaps or skin cleansers, or skin products with alcohol, spices, astringents, or lime.
Sulpho-Lac Soap side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
severe burning, redness, or swelling where the medicine was applied;
severe dryness or peeling of treated skin; or
new or worsening skin symptoms.
Common side effects may include:
mild burning, tingling, stinging, itching, or redness;
peeling, dryness; or
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.
What other drugs will affect Sulpho-Lac Soap?
Medicine used on the skin is not likely to be affected by other drugs you use. But many drugs can interact with each other. Tell each of your healthcare providers about all medicines you use, including prescription and over-the-counter medicines, vitamins, and herbal products.
More about Sulpho-Lac Soap (sulfur topical)
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- En Español
- Drug class: miscellaneous topical agents
Related treatment guides
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.
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