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Generic name: Polycarbophil [POL-ee’-KAR-boeFIL]

Brand names include Equalactin Fiber, Lax Fiber, Laxative Fiber Tabs, FiberCon, Fiber Tabs, and FiberCon.
Drug class: laxatives

What is Equalactin?

Equalactin, a laxative with bulk-forming properties, increases the water content in your stool to make it softer and easier for you to pass.Equalactin helps maintain regular bowel movements and treats constipation.Equalactin can also be used in other ways not mentioned in this guide.

Side effects of Equalactin

If you experience any of the following symptoms of an allergic reaction, seek immediate medical attention: hives, difficulty breathing, swelling of the face, lips, or throat.

Equalactin can cause serious side effects. If you experience:

  • Rectal bleeding, severe abdominal cramps,
  • No bowel movements within 3 days of using Equalactin

Side effects of Equalactin include:

  • Mild stomach pain
  • Bloating

There may be other side effects. For medical advice on side effects, call your doctor. The FDA can be contacted at 1-800-FDA-1088 to report side effects.


Please read all the instructions on the label or package of your medication. Inform your healthcare provider about your medical conditions, allergies, and medicines.

Before you take this drug

If you have an allergy to equalactin, mineral oils, or sodium lauryl sulfate (such as betadine), then you should avoid using them.

If you have any other medical conditions or concerns, ask your doctor or pharmacist whether it's safe to use the medicine.

  • Irritable Bowel Syndrome
  • Trouble swallowing
  • Symptoms of stomach pain include nausea and vomiting.
  • A blockage of your intestines
  • A history of bleeding in your rectum
  • A sudden change in bowel habits that lasts for 2 weeks or more
  • If you've been constipated for more than a week,

If you are pregnant or breastfeeding, consult your doctor before using Equalactin.This medicine contains phenylalanine. If you have phenylketonuria, talk to your doctor about taking Equalactin.Do not administer this medicine to young children without consulting a physician.

How to take Equalactin?

Equalactin can be taken from 1 to 4 times daily. Follow the directions on the label or those prescribed by your physician. Use only the recommended amount. Do not exceed it. The nerves, muscles, or tissues of your intestines can be damaged by excessive use of laxatives.This medicine should be taken with 8 ounces of water or any other liquid. Drink one more glass of water.Before swallowing your chewable tablet, be sure to chew it thoroughly first. Drink a glass of water after chewing and swallowing.If you take Equalactin without enough liquid, the tablet may swell and cause choking in older adults.If you experience chest pain, nausea, difficulty swallowing, or breathing problems after taking this medication, seek emergency medical care.Take Equalactin with plenty of fluids every day.You should be able to have a bowel motion within 12 hours to 3 days.If your symptoms persist after three days of treatment, call your doctor.Store away from heat and moisture at room temperature.

What happens if I miss the dose?

Equalactin can be used as needed, and you don't need to follow a schedule. If you have a regular schedule, take the missed dose immediately after you remember. If your next scheduled dosage is approaching, skip the missed dose. You should not take extra medicine to compensate for a missed dose.

What happens if I overdose?

Call 1-800-222-1222 for poison help or seek immediate medical attention.

Avoid this

Take Equalactin at least 2 hours before or after taking any other medicine. Laxatives may interfere with the absorption of other medications.

Interaction with other drug

Polycarbophil may interact with other drugs, such as prescription and over-the-counter medicines, vitamins, and herbal products. Inform your healthcare providers of all the medicines you are taking and those you plan to take.



Prescription only

Pregnancy & Lactation

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