 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  to do so by your doctor. A different medication may be necessary in that case.  Missed Dose If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.  Storage Store at room temperature away from heat. Do not store in the refrigerator or freezer. This product is flammable. Do not store or use near an open flame. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Selsun Blue Topical: This medication is used to treat dandruff and a certain scalp infection (seborrheic dermatitis). It reduces itching, flaking, irritation, and redness of the scalp. Selenium sulfide is also used for a condition that causes discoloration of the skin (tinea versicolor). This medication belongs to a class of medications called anti-infectives. It works by slowing the growth of the yeast </s>