alirocumab vs colestipol
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of alirocumab and colestipol. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Praluent
Colestid
Praluent is a medicine that can lower cholesterol. It can also lower the risk of heart problems like heart attack or stroke in some adults.
Colestipol is a drug that helps lower cholesterol levels in your blood. It works by binding to bile acids in your intestine, which helps your body get rid of cholesterol.
Praluent is used to lower LDL cholesterol (bad cholesterol). It is used along with diet and exercise in adults with high cholesterol. It is also used in adults and children 8 years and older who have a genetic condition that causes high cholesterol.
Colestipol is used along with a healthy diet to lower high cholesterol levels, specifically LDL-C ('bad' cholesterol). It is for people who haven't been able to lower their cholesterol enough with diet alone. Lowering cholesterol can help prevent heart disease and stroke.
Praluent is a PCSK9 inhibitor. It works by blocking a protein in your body called PCSK9. Blocking this protein helps your body remove LDL cholesterol from your blood.
Colestipol is a bile acid sequestrant. It binds to bile acids in your intestines. This helps your body get rid of cholesterol, which lowers the amount of cholesterol in your blood.
- • Injection site reactions (redness, itching, swelling, pain)
- • Flu
- • Muscle pain
- • Diarrhea
- • Constipation
- • Abdominal discomfort (pain and cramping)
- • Intestinal gas (bloating and flatulence)
- • Indigestion and heartburn
- • Diarrhea and loose stools
- Myalgia 1,655
- Product Dose Omission 1,364
- Injection Site Pain 1,278
- Muscle Spasms 1,162
- Arthralgia 1,053
- Diarrhoea 358
- Nausea 221
- Fatigue 210
- Headache 136
- Vomiting 125
Serious allergic reactions have happened with Praluent, sometimes requiring hospitalization. If you have signs of a serious allergic reaction, stop using Praluent and get medical help right away.
None
There is not enough information about Praluent use during pregnancy to know if it is safe. If you are pregnant or plan to become pregnant, talk to your doctor before using Praluent.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if colestipol can harm an unborn baby. Talk to your doctor about the risks and benefits of taking this medicine while pregnant or breastfeeding.
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How to Read This alirocumab vs colestipol Comparison
alirocumab is classified in the PCSK9 Inhibitor drug class, while colestipol sits within the Bile Acid Sequestrant class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, alirocumab has 6,512 submissions while colestipol has 1,050. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for alirocumab or colestipol.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.