hydrochlorothiazide vs terazosin
Side-by-side comparison of hydrochlorothiazide and terazosin. 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
Terazosin has been used concomitantly in at least 50 patients on the following drugs or drug classes: analgesic/anti-inflammatory (e.g., acetaminophen, aspirin, codeine, ibuprofen, indomethacin); antibiotics (e.g., erythromycin, trimethoprim and sulfamethoxazole); anticholinergic/sympathomimetics (e.g., phenylephrine hydrochloride, phenylpropanolamine hydrochloride, pseudoephedrine hydrochloride); antigout (e.g., allopurinol); antihistamines (e.g., chlorpheniramine); cardiovascular agents (e.g., atenolol, hydrochlorothiazide, methyclothiazide, propranolol); corticosteroids;...
Recommendation: Your doctor may need to monitor your blood pressure more often. Be careful when standing up to avoid dizziness.
Microzide
Hytrin
No summary available.
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.
Information not available.
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.
Information not available.
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.
- • Dizziness
- • Headache
- • Cough
- • Fatigue
- • Feeling weak or tired
- • Dizziness
- • Stuffy nose
- • Headache
- Tiredness 10,013
- Feeling sick to your stomach 9,706
- Loose stools 8,311
- Discomfort 7,665
- Difficulty breathing 7,584
- Tiredness 466
- Diarrhea 395
- Feeling dizzy 385
- Difficulty breathing 383
- Weakness 351
No specific warnings noted.
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.
No pregnancy information available.
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.
Also Compare, Nearby Drugs
Compare terazosin with
How to Read This hydrochlorothiazide vs terazosin Comparison
hydrochlorothiazide is classified in the Thiazide Diuretic 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, hydrochlorothiazide has 43,279 submissions while terazosin has 1,980. 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 both drugs are used to lower blood pressure. taking them at the same time can cause an additive effect, making your blood pressure drop lower than usual.. 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 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.