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Learn about Amitiza, a treatment of Chronic Constipation

Doc-Q-Lax

Generic Name: docusate and senna (DOK yoo sate and SEN a)
Brand Name: Doc-Q-Lax, Doculax, Dok Plus, Gentlax S, Peri-Colace, Senna Plus, Senna S, Sennalax-S, Senokot S, SenoSol-SS

Medically reviewed on December 15, 2017

What is Doc-Q-Lax?

Docusate is a stool softener. It makes bowel movements softer and easier to pass.

Senna is a laxative. It stimulates muscle movement in the intestines.

The combination of docusate and senna is used to treat occasional constipation.

Doc-Q-Lax may also be used for other purposes not listed in this medication guide.

Important Information

Use this medication as directed on the label, or as your doctor has prescribed. Do not use the medication in larger amounts or for longer than recommended.

You should not use this medication if you are allergic to Doc-Q-Lax, or if you are also taking mineral oil.

Ask a doctor or pharmacist before using Doc-Q-Lax if you have nausea, vomiting, stomach pain, a sudden change in bowel habits, or an intestinal disorder (such as Crohn's disease or ulcerative colitis).

Do not use this medication without your doctor's advice if you are pregnant or breast-feeding.

Do not take this medication for longer than 7 days in a row. Call your doctor if your constipation does not improve or if it gets worse.

Stop taking this Doc-Q-Lax and call your doctor at once if you have rectal bleeding, severe stomach pain, nausea and vomiting, or if you do not have a bowel movement.

Do not use any other over-the-counter laxatives or other stool softener without first asking your doctor or pharmacist.

Before taking this medicine

You should not use this medication if you are allergic to Doc-Q-Lax, or if you are also taking mineral oil.

Ask a doctor or pharmacist about using Doc-Q-Lax if you have:

  • nausea or vomiting;

  • stomach pain;

  • a sudden change in bowel habits that lasts for 2 weeks or longer; or

  • if you have an intestinal disorder such as Crohn's disease or ulcerative colitis.

Do not use this medication without your doctor's advice if you are pregnant.

It is not known whether docusate and senna passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Ask a doctor before giving this medication to a child younger than 2 years old.

How should I use Doc-Q-Lax?

Use this medication exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended.

Take this medication with a full glass of water.

It may be best to take this medication at night or at bedtime. Doc-Q-Lax should cause you to have a bowel movement within 6 to 12 hours.

Do not take this medication for longer than 7 days in a row, unless your doctor tells you to.

Call your doctor if your constipation does not improve or if it gets worse after taking Doc-Q-Lax.

Store Doc-Q-Lax at room temperature away from moisture and heat.

What happens if I miss a dose?

Since Doc-Q-Lax is taken as needed, you are not likely to be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention if you think you have used too much of Doc-Q-Lax.

Overdose symptoms may include nausea, vomiting, stomach pain, or diarrhea.

What should I avoid while using Doc-Q-Lax?

Do not use any other over-the-counter laxatives or other stool softener without first asking your doctor or pharmacist. Docusate or senna may be contained in other medicines available over the counter. If you take certain products together you may accidentally take too much of a certain medicine. Read the label of any other medicine you are using to see if it contains docusate or senna.

Doc-Q-Lax side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using Doc-Q-Lax and call your doctor at once if you have a serious side effect such as:

  • rectal bleeding;

  • severe stomach pain, nausea, vomiting; or

  • no bowel movement.

Less serious side effects may include:

  • gas, bloating;

  • diarrhea; or

  • mild nausea.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

What other drugs will affect Doc-Q-Lax?

There may be other drugs that can interact with Doc-Q-Lax. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Further information

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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