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hydrochlorothiazide vs hydrochlorothiazide/lisinopril

Side-by-side comparison of hydrochlorothiazide and hydrochlorothiazide/lisinopril. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

minor Known Drug Interaction

No meaningful clinically important pharmacokinetic interactions occurred when lisinopril was used concomitantly with propranolol, digoxin, or hydrochlorothiazide. Hydrochlorothiazide When administered concurrently the following drugs may interact with thiazide diuretics. Cholestyramine and colestipol resins - Absorption of hydrochlorothiazide is impaired in the presence of anionic exchange resins.

Recommendation: You can continue taking these medicines together as directed by your healthcare provider.

Drug Class
hydrochlorothiazide Thiazide Diuretic
hydrochlorothiazide/lisinopril Thiazide Diuretic / ACE Inhibitor Combination
Type
hydrochlorothiazide Prescription
hydrochlorothiazide/lisinopril Prescription
Summary
hydrochlorothiazide

No summary available.

hydrochlorothiazide/lisinopril

Zestoretic is a drug that combines lisinopril and hydrochlorothiazide. It is used to treat high blood pressure.

What It Treats
hydrochlorothiazide

Information not available.

hydrochlorothiazide/lisinopril

Zestoretic is used to treat high blood pressure. Lowering blood pressure reduces the risk of heart problems and strokes. Controlling high blood pressure should also include managing cholesterol, diabetes, and quitting smoking. Many people need more than one medicine to control their blood pressure.

How It Works
hydrochlorothiazide

Information not available.

hydrochlorothiazide/lisinopril

Zestoretic contains two medicines. Lisinopril is an ACE inhibitor that widens blood vessels. Hydrochlorothiazide is a diuretic that helps your body get rid of extra salt and water, which also lowers blood pressure.

Common Side Effects
hydrochlorothiazide
  • Dizziness
  • Headache
  • Cough
  • Fatigue
hydrochlorothiazide/lisinopril
  • Dizziness
  • Headache
  • Cough
  • Feeling tired
FAERS Reports
hydrochlorothiazide
  • Tiredness 10,013
  • Feeling sick to your stomach 9,706
  • Loose stools 8,311
  • Discomfort 7,665
  • Difficulty breathing 7,584
hydrochlorothiazide/lisinopril
  • Feeling tired 10,013
  • Feeling sick to your stomach 9,706
  • Loose stools 8,311
  • Discomfort 7,665
  • Difficulty breathing 7,584
Serious Warnings
hydrochlorothiazide

No specific warnings noted.

hydrochlorothiazide/lisinopril

This drug can cause serious harm or death to an unborn baby. Stop taking Zestoretic as soon as you find out you are pregnant.

Pregnancy
hydrochlorothiazide

No pregnancy information available.

hydrochlorothiazide/lisinopril

Do not take Zestoretic if you are pregnant. It can harm your unborn baby. Talk to your doctor about other blood pressure medicines if you are breastfeeding.

How to Read This hydrochlorothiazide vs hydrochlorothiazide/lisinopril Comparison

hydrochlorothiazide is classified in the Thiazide Diuretic drug class, while hydrochlorothiazide/lisinopril sits within the Thiazide Diuretic / ACE Inhibitor Combination 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, hydrochlorothiazide has 43,279 submissions while hydrochlorothiazide/lisinopril has 43,279. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to there are no major negative interactions when these two medicines are used together, and they are often found in the same pill.. 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 hydrochlorothiazide and hydrochlorothiazide/lisinopril - 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.