2013年11月12日星期二

Summary of Docusate sodium

Docusate sodium often referred to as DSS, Aerosol OT or AOT is a common ingredient in consumer products, especially laxatives of the stool softener type. It is also used as an emulsifying, wetting, and dispersing agent, as a pesticide, as well as a component of the oil dispersant Corexit which was used in the Deepwater Horizon oil spill of 2010. It is an anionic surfactant, a substance that lowers the surface tension of water.

It is used to treat occasional constipation. Some medications and conditions can make constipation more likely. Stool softeners such as docusate are often the first method used for preventing and treating this type of constipation. Docusate is often used when straining to have a bowel movement should be avoided (e.g., after a heart attack or surgery).

Docusate calcium(CAS NO:577-11-7) is a stool softener. It works by increasing the amount of water the stool absorbs in the gut, making the stool softer and easier to pass.

Take this medication by mouth, usually at bedtime with a full glass (8 ounces or 240 milliliters) of water or juice, or as directed by your doctor. The dosage is based on your medical condition and response to therapy. Decrease your dose or stop taking this medication if you develop diarrhea.

Follow all directions on the product package unless otherwise directed by your doctor. If you are uncertain about any of the information, consult your doctor or pharmacist.

If you are using the liquid form of this medication, measure the dose carefully using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose. If you are using the drops, measure the medication with the dropper provided, or use a dose-measuring spoon or device to make sure you have the correct dose. Mix the syrup, liquid or drops in 4 to 8 ounces of fruit juice, milk or infant formula to prevent throat irritation and mask a bitter taste.

Use this medication only when needed. Do not use this product for more than 1 week unless directed by your doctor. Relief is usually seen in 1 to 3 days. Inform your doctor if your condition persists or worsens.

Possible side effects are typically mild and include stomach pain, diarrhea, or cramping. Serious allergic reactions can occur with the drug. The most severe side effect of docusate, although very rare, is rectal bleeding.

Docusate sodium is a strong irritant for eyes and lungs, and also a skin irritant. Ingestion can cause the side effects described above, such as diarrhea, intestinal bloating and occasionally cramping pains. DSS is not known to be carcinogenic, mutagenic or teratogenic.

Docusate sodium is highly toxic for rainbow trout with a median lethal concentration (LC50) of 0.56 mg/l after 48 hours for the pure substance. It is only slightly to moderately toxic for rainbow trout fingerlings, and slightly toxic for harlequin rasboras (LC50 27 mg/l of a 60% formulation after 48 hours).

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