What is the most important information I should know about tenapanor?
Use only as directed. Tell your doctor if you use other medicines or have other medical conditions or allergies.
What is tenapanor?
Tenapanor is used in adults to treat irritable bowel syndrome with constipation.
Tenapanor may also be used for purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking tenapanor?
You should not use tenapanor if you have:
Tenapanor should not be used in children who are younger than 6 years.
Ask a doctor or pharmacist before using this medicine if you have health problems.
Tell your doctor if you are pregnant, plan to get pregnant, or breastfeeding.
How should I take tenapanor?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Tenapanor is taken by mouth (1 tablet) twice a day.
Tenapanor should be taken immediately before breakfast or first meal of the day and immediately before dinner.
Store this medicine tightly closed in the original container at room temperature away from moisture and heat. Do not remove the canister of moisture-absorbing preservative from the original container.
What happens if I miss a dose?
Skip the missed dose and take the next dose at the regular time. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking tenapanor?
Follow your doctor's instructions about any restrictions on food, beverages, or activity.
What are the possible side effects of tenapanor?
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop taking tenapanor and call your doctor at once if you have:
Common side effects may include:
- gas, diarrhea;
- feeling of fullness or pressure in your abdomen; or
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect tenapanor?
Other drugs may affect tenapanor, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.
Where can I get more information?
Your doctor or pharmacist can provide more information about tenapanor.
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.
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