Skip to main content


Generic name: Docusate and Senna (DOK yoo sate & SEN na)
Brand name: Doc-Q-Lax, Docuzen, DOK Plus, GoodSense Stimulant Laxative, Laxacin, all 17 brand names.
Drug class: Laxatives

Medically reviewed by Last updated on Sep 1, 2020.

Uses of Sennalax-S:

What do I need to tell my doctor BEFORE I take Sennalax-S?

  • If you are allergic to Sennalax-S (docusate and senna); any part of Sennalax-S (docusate and senna); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
  • If you have any of these health problems: Bowel block, belly pain, upset stomach, rectal bleeding, throwing up, or change in bowel habits lasting longer than 2 weeks.
  • If you are taking mineral oil.

This is not a list of all drugs or health problems that interact with Sennalax-S (docusate and senna).

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Sennalax-S (docusate and senna) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Sennalax-S?

  • Tell all of your health care providers that you take Sennalax-S (docusate and senna). This includes your doctors, nurses, pharmacists, and dentists.
  • Do not use Sennalax-S (docusate and senna) for more than 1 week unless told to do so by your doctor.
  • Do not use other laxatives or stool softeners unless told to do so by the doctor.
  • If you have rectal bleeding or you do not have a bowel movement after using Sennalax-S (docusate and senna), talk with your doctor.
  • Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby.

How is this medicine (Sennalax-S) best taken?

Use Sennalax-S (docusate and senna) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Take at bedtime if taking once a day.
  • Take with a full glass of water.
  • Do not take other drugs within 2 hours of Sennalax-S (docusate and senna).

What do I do if I miss a dose?

  • If you take Sennalax-S (docusate and senna) on a regular basis, take a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.
  • Many times Sennalax-S (docusate and senna) is taken on an as needed basis. Do not take more often than told by the doctor.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.

What are some other side effects of Sennalax-S?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if you have any side effects that bother you or do not go away.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Sennalax-S?

  • Store at room temperature in a dry place. Do not store in a bathroom.
  • Protect from heat.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer information use

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else's drugs.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Sennalax-S (docusate and senna), please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

More about Sennalax-S (docusate / senna)

Consumer resources

Other brands
Senna Plus, Senokot S, Senna S, Senexon-S, ... +9 more

Related treatment guides

Further information

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