This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.
Evac [OTC]; Fiber Therapy [OTC] [DSC]; Geri-Mucil [OTC]; Konsyl Daily Fiber [OTC]; Konsyl Original Formula [OTC] [DSC]; Konsyl [OTC]; Konsyl-D [OTC]; Metamucil MultiHealth Fiber [OTC]; Metamucil [OTC]; Mucilin SF [OTC]; Mucilin [OTC]; Natural Fiber Therapy [OTC]; Natural Fiber [OTC] [DSC]; Natural Psyllium Seed [OTC]; Natural Vegetable Fiber [OTC]; Reguloid [OTC]; Sorbulax [OTC] [DSC]
- It is used to treat constipation.
- It is used to raise fiber in the diet.
- It may be given to you for other reasons. Talk with the doctor.
- If you have an allergy to psyllium or any other part of this drug.
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- 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 have trouble swallowing.
This is not a list of all drugs or health problems that interact with this drug.
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 this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
- Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
- Try to space other drugs from this one by 2 hours. This drug stops many drugs from getting into the body.
- Do not use this drug for more than 1 week unless told to do so by your doctor.
- If you have rectal bleeding or you do not have a bowel movement after using this drug, talk with your doctor.
- Do not use other laxatives or stool softeners unless told to do so by the doctor.
- If you do not take this drug with lots of liquid, it may swell and block your throat or swallowing tube (esophagus) and may cause choking. Do not take if you have trouble swallowing. If you have chest pain, are throwing up, or have trouble swallowing or breathing after taking this drug, get help right away.
- If you have phenylketonuria (PKU), talk with your doctor. Some products have phenylalanine.
- 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.
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.
- Trouble swallowing.
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 any of these side effects or any other side effects bother you or do not go away:
- Stomach pain.
- Stomach cramps.
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 your national health agency.
Use this drug as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Take with or without food.
- Take with a full glass of water.
- Drink lots of noncaffeine liquids unless told to drink less liquid by your doctor.
- Swallow whole. Do not chew, break, or crush.
- If you take more than 1 capsule per dose, be sure to swallow only 1 capsule at a time.
- Mix with at least 8 ounces (240 mL) of water or other fluid and drink. If the mixture gets thick, add more liquid and stir.
- Eat the wafer while sitting up.
- If you take this drug 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 this drug is taken on an as needed basis. Do not take more often than told by the doctor.
- Store at room temperature.
- Store in a dry place. Do not store in a bathroom.
- 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.
- 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.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. If you have any questions about this drug, 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.
This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.
© 2019 Wolters Kluwer Clinical Drug Information, Inc. and its affiliates and/or licensors. All rights reserved.