Terazosin Hcl
Terazosin HCl 5MG
What is Terazosin Hcl?
If you have symptoms of prostate enlargement (BPH), your doctor might prescribe terazosin. The drug relaxes the muscles near the prostate and bladder allowing for the easier flow of urine. Terazosin also lowers blood pressure, so it may be useful in treating men who have both BPH and high blood pressure.Side Effects
- Prolonged or painful erection
- Numbness or tingling in the hands or feet
- Lightheadedness or fainting
Warnings
- Prolonged or painful erection
- Do not stop using this medicine without asking your doctor. If you have not taken the medicine for several days, you will need to use a lower dose when you start taking it again.
- Your doctor will need to check your progress at regular visits while you are using this medicine. Be sure to keep all appointments.
- This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
- Numbness or tingling in the hands or feet
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What is Terazosin Hcl ?
If you have symptoms of prostate enlargement (BPH), your doctor might prescribe terazosin. The drug relaxes the muscles near the prostate and bladder allowing for the easier flow of urine. Terazosin also lowers blood pressure, so it may be useful in treating men who have both BPH and high blood pressure.- Prolonged or painful erection
- Numbness or tingling in the hands or feet
- Lightheadedness or fainting
- Fever, chills, sore throat
- Fast or pounding heartbeat
- Swelling in the hands, ankles, or feet, rapid weight gain
- Chest pain (may be related to your disease and not a side effect)
- Allergic reaction: Itching or hives, swelling in face, lips, or hands, swelling or tingling in the mouth or throat, tightness in chest, trouble breathing
- Prolonged or painful erection
- Do not stop using this medicine without asking your doctor. If you have not taken the medicine for several days, you will need to use a lower dose when you start taking it again.
- Your doctor will need to check your progress at regular visits while you are using this medicine. Be sure to keep all appointments.
- This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
- Numbness or tingling in the hands or feet
- If you stop using this medicine, your blood pressure may go up. High blood pressure usually has no symptoms. Even if you feel well, do not stop using the medicine without asking your doctor.
- Make sure your doctor knows if you are pregnant or breastfeeding.
- Swelling in the hands, ankles, or feet, rapid weight gain
Terazosin Hcl Coupons & Prices
Terazosin HCl 5MG
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If you're comparing terazosin HCl coupon prices, it helps to know that generic terazosin has been available for years and is what most pharmacies actually dispense — but the price a pharmacy charges for it can still vary quite a bit from one location to the next. Rx.com compares pricing across 60,000+ pharmacies nationwide, so instead of guessing, you can enter your ZIP code above and see what terazosin HCl actually costs near you today.
What Is Terazosin HCl and How Does It Work?
Terazosin hydrochloride is an alpha-1 adrenergic receptor blocker (alpha-blocker). It works by relaxing smooth muscle in the walls of blood vessels and in the bladder neck and prostate, which lowers blood pressure and eases urinary symptoms. The original brand-name tablet, Hytrin, was discontinued in the US, so today terazosin is dispensed as a generic capsule. A newer brand, Tezruly, is an oral solution form of terazosin that the FDA approved in July 2024, manufactured by Novitium Pharma; it's a different dosage form intended mainly for patients who have difficulty swallowing capsules.
Terazosin HCl Cost and How to Find the Best Price
Generic terazosin capsules are widely available, and because it's a generic drug, pricing isn't set by one manufacturer — it varies by pharmacy, by your location, and by which discount program or insurance you use. That's exactly why comparing matters: two pharmacies a few miles apart can charge noticeably different cash prices for the same prescription. Rather than assuming any single pharmacy has the best deal, use the Rx.com price comparison tool above to see current terazosin HCl pricing across pharmacies in your area and find where it costs the least today.
Terazosin vs. Other BPH and Blood Pressure Medications
Terazosin belongs to a class of alpha-blockers that also includes doxazosin, alfuzosin, silodosin, and tamsulosin (Flomax). All are used to relax the prostate and bladder neck to improve urinary flow in BPH, but they differ in how selective they are for the prostate versus blood vessels — which affects both their side-effect profile and whether they're also approved for high blood pressure, as terazosin is. For BPH specifically, some providers also prescribe finasteride, which works by a completely different mechanism (shrinking the prostate over time rather than relaxing muscle). Which option makes sense depends on your individual health history, so this is a conversation to have with your provider or pharmacist rather than a decision to make from a drug comparison page.
Terazosin Safety Information
Terazosin's most important safety issue is what's often called the "first-dose effect": within about 90 minutes of your first dose, a dose increase, or restarting after a break, you can experience a sudden, marked drop in blood pressure, dizziness, a fast heartbeat, or fainting (syncope). This is why terazosin is typically started at bedtime and why patients are advised to avoid driving or other hazardous tasks for about 12 hours after the first dose, after any dose increase, and after restarting therapy. Terazosin's labeling carries a prominent warning about this syncope and orthostatic-hypotension risk.
- Rare but serious: priapism (a prolonged erection), which can cause permanent damage if not treated promptly
- If you're scheduled for cataract surgery, tell your eye surgeon you take terazosin — alpha-blockers are linked to intraoperative floppy iris syndrome during that procedure
This is general information, not medical advice. Talk with your doctor or pharmacist about whether terazosin is right for you and how to take it safely.
This Terazosin Hcl information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.
Verify the official label: Terazosin Hcl on DailyMed (FDA)
Reviewed against FDA labeling · Last reviewed July 2026
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Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.