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Generic Name: selenium/urea/zinc pyrithione (se-LEE-nee-um/ue-REE-a/zink PIR-i-THYE-one)
Brand Name: Examples include Selonos and Selseb

Selseb is used for:

Treating dandruff, seborrhea, or tinea versicolor (a fungal infection). It may also be used for other conditions as determined by your doctor.

Selseb is an antiseborrheic, antifungal medicine. It decreases skin cell growth associated with flaking and itching. It also kills sensitive fungi.

Do NOT use Selseb if:

  • you are allergic to any ingredient in Selseb

Contact your doctor or health care provider right away if any of these apply to you.

Before using Selseb:

Some medical conditions may interact with Selseb. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have broken, irritated, inflamed, or oozing skin at the application site

Some MEDICINES MAY INTERACT with Selseb. Because little, if any, of Selseb is absorbed into the blood, the risk of it interacting with another medicine is low.

Ask your health care provider if Selseb may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Selseb:

Use Selseb as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • To treat dandruff or seborrhea, massage Selseb into the wet scalp as directed by your doctor. Rinse scalp and hair well after treatment.
  • To treat tinea versicolor, apply a sufficient amount to cover affected areas. Lather well with a small amount of water. Leave the medicine on the skin for 10 minutes, then rinse well.
  • Wash your hands right away after using Selseb, unless your hands are part of the treated area.
  • Continue to use Selseb as directed by your doctor even if your condition begins to improve. Do not miss any doses.
  • If you miss a dose of Selseb, use it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not use 2 doses at once

Ask your health care provider any questions you may have about how to use Selseb.

Important safety information:

  • Selseb is for external use only. Do not get Selseb in your eyes, nose, mouth, or in the genital area. If you get it in any of these areas, rinse right away with cool water.
  • Do not apply Selseb in skin folds; irritation may occur.
  • Do not use Selseb on broken, blistered, or inflamed skin.
  • Do not use more often or for longer than prescribed without checking with your doctor. If you use topical products too often, some conditions may become worse.
  • Do not use Selseb for another skin condition at a later time.
  • Selseb may discolor the hair. This effect can be decreased or avoided by rinsing your hair well after you use Selseb.
  • Selseb may cause your scalp to become dry or oily. If these side effects occur and become bothersome, contact your doctor.
  • Selseb may cause harm if it is swallowed. If you may have taken it by mouth, contact your poison control center or emergency room right away.
  • Selseb should be used with extreme caution in CHILDREN; safety and effectiveness in children have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: It is not known if Selseb can cause harm to the fetus. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Selseb while you are pregnant. It is not known if this medicine is found in breast milk. If you are or will be breast-feeding while you use Selseb, check with your doctor. Discuss any possible risks to your baby.

Possible side effects of Selseb:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

No COMMON side effects have been reported with Selseb.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); severe skin irritation.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Selseb may be harmful if swallowed.

Proper storage of Selseb:

Store Selseb at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Do not freeze. Store away from heat and light. Keep Selseb out of the reach of children and away from pets.

General information:

  • If you have any questions about Selseb, please talk with your doctor, pharmacist, or other health care provider.
  • Selseb is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take Selseb or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Selseb. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Selseb. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Selseb.

Issue Date: June 3, 2015

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer