WELCHOL 3.75GM PAK FOR ORAL SUSP   Enlarge image

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Drug Information For:


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Common Uses:

This medicine is a bile acid sequestrant used along with diet and exercise to reduce high cholesterol. It may be used alone or with other medicines. It may also be used along with diet and exercise to control blood sugar in patients with type 2 diabetes. It should not be used to treat type 1 diabetes or diabetic ketoacidosis.

Before Using This Medicine:

Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking cyclosporine, hydantoins (eg, phenytoin), insulin, metformin, sulfonylureas (eg, glyburide, glipizide), thyroid hormones (eg, levothyroxine), or warfarin. DO NOT START OR STOP ANY MEDICINE without doctor or pharmacist approval. Inform your doctor of any other medical conditions, including hemorrhoids, phenylketonuria (PKU), low levels of certain vitamins (A,D,E,K), nutrient absorption problems, allergies, pregnancy, or breastfeeding. Tell your doctor if you have a history of high triglyceride levels, inflammation of the pancreas (pancreatitis), or stomach or bowel problems. USE OF THIS MEDICINE IS NOT RECOMMENDED if you have a history of certain bowel problems (eg, blockage, paralysis, slow movement of the bowel muscles) or major stomach or bowel surgery, or you are at risk for bowel blockage. USE OF THIS MEDICINE IS NOT RECOMMENDED if you have very high triglyceride levels or a history of pancreatitis caused by high triglyceride levels. Contact your doctor or pharmacist if you have any questions or concerns about taking this medicine.

How to Use This Medicine:

Follow the directions for using this medicine provided by your doctor. TAKE THIS MEDICINE by mouth with meals. Empty the entire contents of one packet into a glass or cup. Add 1/2 to 1 cup (4 to 8 oz) of water, fruit juice, or a diet soft drink. Stir well and drink. DO NOT take this medicine in its dry form. This may cause throat irritation. IF YOU ALSO TAKE birth control pills, cyclosporine, glimepiride, glipizide, glyburide, hydantoins (eg, phenytoin), olmesartan, thyroid hormones (eg, levothyroxine), or vitamins take them at least 4 hours before you take this medicine. STORE THIS MEDICINE at 77 degrees F (25 degrees C), in a tightly-closed container, away from heat, moisture, and light. Brief storage between 59 and 86 degrees F (15 and 30 degrees C) is permitted. KEEP THIS MEDICINE out of the reach of children and away from pets. CONTINUE TO TAKE THIS MEDICINE even if you feel well. Do not miss any doses. IF YOU MISS A DOSE OF THIS MEDICINE, take it at your next meal. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. DO NOT take 2 doses at once.


DO NOT TAKE THIS MEDICINE if you have had an allergic reaction to it or are allergic to any ingredient in this product. FOLLOW THE DIETARY AND EXERCISE PLAN provided by your doctor. LABORATORY AND/OR MEDICAL TESTS, including cholesterol and triglyceride levels, and blood glucose levels, may be performed to monitor your progress or to check for side effects. Keep all doctor and laboratory appointments while you are taking this medicine. IT MAY TAKE SEVERAL WEEKS for this medicine to begin working. Do NOT exceed the recommended dose or take for longer than prescribed without checking with your doctor. BEFORE YOU HAVE ANY MEDICAL OR DENTAL TREATMENTS, emergency care, or surgery, tell the doctor or dentist that you are taking this medicine. THIS MEDICINE MAY DECREASE THE ABSORPTION OF CERTAIN OTHER MEDICINES into your body. Check with your doctor or pharmacist to see how you should take your other medicines with this medicine. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. THIS MEDICINE MAY CAUSE CONSTIPATION. To prevent constipation, it is important to maintain a diet adequate in fiber, drink plenty of water, and exercise. If this medicine causes constipation, check with your doctor or pharmacist for ways to lessen this effect. FOR DIABETES PATIENTS: This medicine may cause low blood sugar. Low blood sugar may make you anxious, sweaty, weak, dizzy, drowsy, or faint. It may also make your heart beat faster; make your vision change; give you a headache, chills, or tremors; or make you more hungry. It is a good idea to carry a reliable source of glucose (such as tablets or gel) to treat low blood sugar. If this is not available, you should eat or drink a quick source of sugar like table sugar, honey, candy, orange juice, or non-diet soda. This will raise your blood sugar level quickly. Tell your doctor right away if this happens. To prevent low blood sugar, eat meals at the same time each day and do not skip meals. PHENYLKETONURICS: This medicine contains phenylalanine. FOR WOMEN: IF YOU BECOME PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. IT IS UNKNOWN IF THIS MEDICINE IS EXCRETED in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you are taking this medicine, check with your doctor or pharmacist to discuss the risks to your baby. DIABETES PATIENTS: Carry an identification card at all times that says you have diabetes. Check your blood sugar regularly as directed by your doctor. If they are often higher or lower than they should be and you take this medicine exactly as prescribed, tell your doctor.

Possible Side Effects:

SIDE EFFECTS that may occur while taking this medicine include back pain, headache, indigestion, mild stomach pain, constipation, muscle aches or pain, nausea, sore throat, stomach upset, stuffy or runny nose, tiredness, or weakness. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience difficulty swallowing; severe or persistent dizziness or headache; severe or persistent constipation, diarrhea, or stomach pain; symptoms of pancreas inflammation (eg, severe stomach or back pain with or without nausea or vomiting, stomach tenderness or swelling); or throat pain or irritation. AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash; hives; itching; difficulty breathing; tightness in the chest; or swelling of the mouth, face, lips, or tongue. This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your healthcare provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


IF OVERDOSE IS SUSPECTED, contact your local poison control center or emergency room immediately. A symptom may be severe constipation.

Additional Information:

DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. IF YOU WILL BE USING THIS MEDICINE FOR AN EXTENDED PERIOD OF TIME, be sure to obtain necessary refills before your supply runs out. CHECK WITH YOUR PHARMACIST about how to dispose of unused medicine.

Copyright 2015 Wolters Kluwer Health, Inc.


- This information is not intended to substitute for professional medical advice. Be sure to contact your physician, pharmacist or other health care provider for more information about this medication. By searching these web site pages, you agree to our terms and conditions of use.