Selenium sulfide lotion is a used to treat skin or scalp infections that cause irritation. It is made by combining sulfur and selenium catenate. When it is applied directly to the skin, it helps to reduce or eliminate the symptoms that can accompany certain skin disorders, such as dandruff or dermatitis. Selenium sulfide lotion is available as an over-the-counter drug. For severe skin problems, a doctor may prescribe a more potent version of this topical medication.

There are many skin disorders that have similar symptoms. Seborrhea, psoriasis, and dermatitis can cause red, itchy skin. Patches of scaly skin, red bumps and blisters can also occur. As the infection progresses, these symptoms can worsen and this can result in flaking and peeling skin or even dandruff. Selenium sulfide lotion helps to ease the uncomfortable symptoms and it can also loosen the dead, scaly skin cells so that they can be remove more effectively.

Tinea versicolor is a fungal infection that can discolor and irritate the skin. It appears on the upper arms, legs, chest, or back. Due to an overgrowth of yeast, it can produce pink, brown, or tan patches of scaly, bumpy skin. Exposure to direct sunlight makes these patches more visible. Using selenium sulfide lotion can reduce or eliminate tinea versicolor and return a normal pigmentation to the skin.

This medication should be applied according to the directions or a physician's instructions. Over use can cause discoloration to the skin or hair. Jewelry and clothing can also become discolored if it comes in contact with selenium sulfide lotion. Overuse can also cause dry or oily patches on the skin and temporary hair loss. These side effects can usually be eliminated by reducing the amount of lotion used.

Selenium sulfide lotion is only meant to be used externally and it can be poisonous if swallowed. It can also cause irritation if it should get into the eyes or nose. Bandages, dressings, or any other type of lotion or cosmetic should never be used along with selenium sulfide lotion.

Severe allergic reactions can occur while using this medication. This can include blistered, oozing, or raw skin. In rare cases, there can also be dizziness or a swelling of the throat and tongue. These symptoms can quickly become life-threatening without medical attention. A doctor should be consulted before using selenium sulfide lotion to avoid drug interactions or negative side effects.