Take colestipol tablets with water, exactly as your doctor prescribed, and always separate them from other medicines by at least four hours
Colestipol is a medication that binds cholesterol in your digestive system so your body removes it instead of absorbing it. The tablets work only if they reach your stomach and intestines intact, which means swallowing them whole with a full glass of water — never crushing, chewing, or splitting them. Your doctor will tell you how many tablets to take and how often, usually once or twice daily before meals.
The most important rule with colestipol is timing: take it at least four hours before or after any other medicine you take, including blood pressure drugs, thyroid medication, and over-the-counter vitamins. Colestipol can block your body from absorbing other drugs, which means they may not work. If you take multiple medications, ask your pharmacist or doctor to help you space them out so colestipol does not interfere.
Key Takeaways
- Swallow colestipol tablets whole with a full glass of water; never crush, chew, or dissolve them.
- Take colestipol at least four hours before or after any other medicine, because it can prevent your body from absorbing other drugs.
- Take it before meals, usually once or twice daily, exactly as your doctor prescribed — do not change the dose on your own.
- Colestipol commonly causes constipation, so drink extra water and eat more fiber unless your doctor tells you otherwise.
- Tell your doctor about all medicines and supplements you take before starting colestipol, because some combinations are unsafe.
The correct way to swallow colestipol tablets
Colestipol tablets must go down whole. Do not crush them between your teeth, dissolve them in water, or break them apart. The tablet coating is designed to release the medicine in the right part of your digestive tract, and breaking it changes how the drug works and may make it less effective.
Fill a glass with plain water — at least eight ounces — and place the tablet on your tongue. Drink the water and swallow. Some people find it easier to take the tablet with a small amount of food, but check with your doctor first, because food can affect how well colestipol works. After you swallow, drink another glass of water to make sure the tablet reaches your stomach.
When to take colestipol and spacing other medicines
Your doctor will tell you whether to take colestipol once or twice a day, and whether to take it before breakfast, before dinner, or at both times. Stick to that schedule. If you miss a dose, take it as soon as you remember — unless it is almost time for your next dose, in which case skip the missed dose and continue your regular schedule. Do not double up to make up for a missed dose.
Colestipol binds to other medicines in your digestive system and prevents your body from absorbing them. This means any drug you take within four hours of colestipol may not work. If you take blood pressure medication, a statin for cholesterol, a thyroid drug, or any other regular medicine, you must space colestipol at least four hours away from it. For example, if you take colestipol at 7 a.m., do not take other medicines until 11 a.m. or later. If you take a second dose of colestipol at 6 p.m., do not take other medicines after 2 p.m. or before 10 p.m.
Write down the times you take colestipol and the times you take other medicines, and show the list to your pharmacist. Your pharmacist can help you arrange a schedule that keeps them separated and makes sure you remember when to take each one.
What to expect: side effects and how to manage them
Constipation is the most common side effect of colestipol. The medicine works by binding cholesterol in your intestines, and this can slow down bowel movements. Drink at least eight glasses of water a day, eat more fiber (vegetables, whole grains, beans, fruit), and move around — even a 20-minute walk helps. If constipation becomes severe or does not improve after a week, tell your doctor. Do not take a laxative or stool softener without asking your doctor first, because some of these products can interfere with colestipol.
Some people feel bloated, gassy, or have stomach upset when they start colestipol. These symptoms often fade after a few days as your body adjusts. Taking the tablet with food may help, but ask your doctor first. If you have severe nausea, vomiting, or abdominal pain, stop taking colestipol and call your doctor right away.
Medicines and supplements that do not mix with colestipol
Colestipol can reduce how well many drugs work. The most important ones to watch are blood pressure medications (especially beta-blockers and ACE inhibitors), thyroid medication, warfarin (a blood thinner), and statins (cholesterol drugs). If you take any of these, your doctor may need to adjust your dose or change when you take them.
Over-the-counter products can also be affected. Multivitamins, iron supplements, calcium supplements, and some antacids should be taken at least four hours away from colestipol. Even some foods and drinks matter: do not take colestipol within four hours of drinking alcohol or eating a high-fat meal, because fat can reduce how much colestipol your body absorbs.
Before you start colestipol, give your doctor and pharmacist a complete list of every medicine, supplement, and vitamin you take — including over-the-counter products and herbal remedies. This is the only way to catch dangerous interactions before they happen.
Storage and handling
Store colestipol tablets at room temperature, away from heat and moisture. Keep them in the original bottle with the cap tightly closed. Do not store them in a bathroom medicine cabinet, where humidity from the shower can damage them. Keep colestipol out of reach of children and pets.
Check the expiration date on the bottle before you take a dose. Do not use colestipol after the date printed on the label. If you have old or unused colestipol, ask your pharmacist how to dispose of it safely — do not flush it down the toilet or throw it in the trash unless the label says you can.
What to tell your doctor before starting colestipol
Tell your doctor if you have a history of constipation, bowel obstruction, or stomach surgery. Colestipol can make constipation worse, and in rare cases it can cause a blockage. If you are pregnant or breastfeeding, ask your doctor whether colestipol is safe for you.
Let your doctor know if you have kidney disease, liver disease, or high triglycerides (a type of blood fat). Colestipol may not be the right choice for you, or your doctor may need to monitor you more closely. If you have had an allergic reaction to colestipol or any ingredient in the tablet, tell your doctor before taking it again.
Frequently Asked Questions
Can I crush or chew colestipol tablets?
No. Colestipol tablets must be swallowed whole with water. Crushing or chewing them damages the tablet coating and changes how the medicine works in your body. If you cannot swallow tablets, ask your doctor whether a different form of the medicine is available.
What happens if I take colestipol at the same time as another medicine?
Colestipol may prevent your body from absorbing the other medicine, which means it may not work. This is especially dangerous with blood pressure drugs and thyroid medication. Always space colestipol at least four hours away from other medicines. If you accidentally took them together, call your pharmacist or doctor.
How long does colestipol take to work?
Colestipol starts working as soon as it reaches your intestines, usually within a few hours of taking it. However, it takes several weeks of regular doses before your cholesterol levels drop noticeably. Your doctor will order blood tests to check whether the medicine is working and may adjust your dose.
Can I stop taking colestipol whenever I want?
Do not stop taking colestipol without talking to your doctor first. If you stop suddenly, your cholesterol levels may rise again. If you are having side effects or want to stop, call your doctor and discuss other options instead of stopping on your own.
Is it safe to take colestipol with food?
Colestipol works best on an empty stomach, taken before meals. However, if food helps you remember to take it or reduces nausea, ask your doctor whether taking it with food is acceptable for you. Avoid high-fat meals around the time you take colestipol, because fat can reduce how much medicine your body absorbs.