acebutolol vs terazosin
Side-by-side comparison of acebutolol and terazosin Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Sectral
Hytrin
Acebutolol is a medicine that helps lower blood pressure and control irregular heartbeats. It belongs to a class of drugs called beta-blockers.
Terazosin is a medicine that can help men with enlarged prostate and also treat high blood pressure. It works by relaxing certain muscles in your body.
Acebutolol is used to treat high blood pressure in adults. It can be used alone or with other blood pressure medicines. Acebutolol is also used to manage irregular heartbeats called ventricular arrhythmias. It helps to reduce the number of these irregular beats.
Terazosin is used to treat enlarged prostate in men. An enlarged prostate can cause problems with urination. Terazosin helps improve urine flow and reduce symptoms. It is also used to treat high blood pressure, either alone or with other medicines.
Acebutolol works by blocking the effects of certain natural chemicals in your body, like adrenaline, on the heart and blood vessels. This helps to slow down the heart rate and lower blood pressure. It also helps to make the heart beat more regularly.
Terazosin belongs to a class of drugs called alpha-1 blockers. It works by relaxing the muscles in the prostate and bladder neck, making it easier to urinate. It also relaxes blood vessels, which helps to lower blood pressure.
No common side effects listed.
- • Feeling weak or tired
- • Dizziness
- • Stuffy nose
- • Headache
- Problems with thinking or memory 620
- Falling down 615
- Low blood pressure when standing up 573
- Problems with balance 568
- Difficulty passing stools 565
- The medicine is not working 474
- Tiredness 466
- Diarrhea 395
- Feeling dizzy 385
- Difficulty breathing 383
You should not take acebutolol if you have a very slow heart rate, second- or third-degree heart block, heart failure, or cardiogenic shock.
Be careful when you first start taking terazosin, as it can cause your blood pressure to drop too low. This can lead to dizziness or fainting. Take your first dose at bedtime and be careful when standing up.
Tell your doctor if you are pregnant or plan to become pregnant. It is not known if acebutolol will harm an unborn baby. Talk to your doctor about the risks and benefits of taking acebutolol while breastfeeding.
It is not known if terazosin can harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if terazosin passes into breast milk, so talk to your doctor if you are breastfeeding.
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How to Read This acebutolol vs terazosin Comparison
acebutolol is classified in the Beta-1 Selective Blocker with ISA drug class, while terazosin sits within the Alpha-1 Blocker 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, acebutolol has 2,941 submissions while terazosin has 2,103. 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 substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between acebutolol and terazosin — always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.