triamterene/hctz
Used for Hypertension
NowPatient helps you obtain your triamterene/hctz prescription for free or at low-cost. Drug savings programs are suitable for individuals who are insured, don't have insurance or are underinsured and can't afford your medicine.
Manufactured by various FDA-approved generic manufacturers.
*You can pay as little as $0 per fill using Drug Coupons or Patient Assistance Programs. Subject to applicability & eligibility requirements.
This content is intended for US audiences only
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triamterene/hctz key facts
What dosages is triamterene/hctz available in?
triamterene/HCTZ contains triamterene/hydrochlorothiazide and is available as a 37.5 mg/25 mg or 75 mg/50 mg oral capsule.
What is triamterene/hctz used for?
triamterene/HCTZ is a combination diuretic (water pill) and is used to treat high blood pressure, and swelling.
How does triamterene/hctz work?
triamterene/HCTZ is a combination medication. Hydrochlorothiazide is a thiazide diuretic (water pill) that makes you urinate more. It works in your kidneys to remove extra water and certain electrolytes (like sodium and potassium), which helps lower your blood pressure and lessen swelling throughout your body. Triamterene is a potassium-sparing diuretic (water pill). It also works in your kidneys to remove extra water and electrolytes, but it doesn’t remove potassium from your body. This helps lower your blood pressure and swelling while preventing your blood potassium levels from dropping low.
How do I take triamterene/hctz?
triamterene/HCTZ is typically taken by mouth once daily around the same time each day,
Is it safe for me to take triamterene/hctz?
triamterene/HCTZ is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you are receiving other potassium-sparing agents such as spironolactone, amiloride, or other formulations containing triamterene or if you have anuria, acute and chronic renal insufficiency or significant renal impairment.
triamterene/hctz Common Side Effects
Common side effects of triamterene/HCTZ:
- Headache
- Tiredness
- Dizziness
- Muscle cramps
triamterene/hctz Serious Side Effects
Serious side effects are rare with triamterene/HCTZ. Contact your healthcare provider immediately if you experience any of the following.
- Serious skin reaction: fever, sore throat, skin pain, rash that spreads, blisters, peeling skin
- Dangerously high potassium levels: feeling that heart is racing, trouble breathing, chest pain, nausea, vomiting, weakness, tingling sensation
- High levels of acid in the blood (acidosis): confusion, fast heartbeat, feeling sick to your stomach, headache, tiredness
- Severe allergic reactions: severe rash, trouble breathing, closing of the throat
Effects of other drugs, drug classes and over-the-counter products on triamterene/hctz
The following medications may interact with triamterene/HCTZ:
- Angiotensin-converting Enzyme Inhibitors – Potassium-sparing agents should be used with caution in conjunction with angiotensin-converting enzyme (ACE) inhibitors due to an increased risk of hyperkalemia
- Oral Hypoglycemic Drugs – Concurrent use with chlorpropamide may increase the risk of severe hyponatremia
- Nonsteroidal Anti-inflammatory Drugs – A possible interaction resulting in acute renal failure has been reported in a few patients on DYAZIDE when treated with indomethacin, a nonsteroidal anti-inflammatory agent. Caution is advised in administering nonsteroidal anti-inflammatory agents with DYAZIDE
- Lithium – Lithium generally should not be given with diuretics because they reduce its renal clearance and increase the risk of lithium toxicity
Who makes triamterene/hctz?
Various FDA-approved generic manufacturers
Is triamterene/hctz safe in pregnancy?
It is not known if triamterene/HCTZ will harm your unborn baby. If you become pregnant while receiving DYAZIDE, talk to your healthcare provider. triamterene/HCTZ should be used during pregnancy only if the potential benefit justifies the risk to the fetus.
The FDA's medical product safety reporting program for health professionals, patients and consumers.
Learn more about reporting side effects in the USDrug Savings Guide
A practical guide to saving money and receiving support with prescription costs
How can NowPatient help me to lower the cost of my triamterene/hctz prescription?
After you create a FREE account with NowPatient, you will have access to 4 programs that can help lower the cost of your triamterene/hctz prescription
Applicability to each program will be dependent on your insurance status.
How do the NowPatient triamterene/hctz savings programs work?
After you have created your FREE account with NowPatient, you can access the various programs from your account dashboard. Each program has clear instructions on how to check your eligibility. You can see how the process works by clicking on the feature link below and seeing the ‘How it works’ steps.
Drug Coupon and Patient Assistance Programs require an eligibility quiz to be completed.
Are the NowPatient triamterene/hctz savings programs suitable for everyone, regardless of insurance status?
No. Each program has its own eligibility and applicability requirements. The table below shows if a program is available to you, based on your insurance status.
| Rx Advantage Card* for triamterene/hctz | Canadian Prescription Savings* for triamterene/hctz | triamterene/hctz Drug Coupon* | triamterene/hctz Patient Assistance Program* | |
| Insured (federal, state or government) | Available | Available | Not Available | Available If Offered by Pharmaceutical Company |
| Insured (Commercial or Private) | Available | Available | Available If Offered by Pharmaceutical Company | Available If Offered by Pharmaceutical Company |
| Uninsured | Available | Available | Not Available | Available If Offered by Pharmaceutical Company |
| Insured but without pharmacy benefit or drug coverage | Available | Available | Not Available | Available If Offered by Pharmaceutical Company |
*This is not insurance.
Are the NowPatient drug savings programs suitable for brand and generic versions of triamterene/hctz?
No. Each program has applicability requirements. Please see below
| Rx Advantage Card* for triamterene/hctz | Canadian Prescription Savings* for triamterene/hctz | triamterene/hctz Drug Coupon* | triamterene/hctz Patient Assistance Program* | |
| Brand | Yes | Yes | Yes, If Offered by Pharmaceutical Company | Yes, If Offered by Pharmaceutical Company |
| Generic | Yes | Yes | No | No |
*This is not insurance.
If you have Medicare Part D or Medicare Advantage and none of the triamterene/hctz savings options are applicable or affordable for me, what can you do?
If you are insured with Medicare and the triamterene/hctz drug savings options are not applicable to you and still remain unaffordable, then you can check Medicaid eligibility in your state by following the instructions at HealthCare.gov.
The government site is easy to use and after you have selected your state, it will navigate you to the appropriate contact point to make the application. State Medicaid programs may cover the full cost of your medication.
People who qualify for both Medicare and Medicaid are called ‘dual eligibles’.
If you are denied Medicaid for triamterene/hctz, and you are still unable to afford your copay or co-insurance element (for example if you are in the coverage gap or Donut Hole) then you may be eligible for a federal support program like Low Income Subsidy. To be eligible for Low Income Subsidy, you need to be a resident in one of the 50 States or the District of Columbia. You can check eligibility online at SSA Medicare D Extra Help. You can also call Social Security at 1-800-772-1213 (TTY 1-800-325-0778).
I am uninsured or underinsured and none of the triamterene/hctz prescription saving options are applicable or affordable for me, what can I do?
If you are uninsured or underinsured (for example, triamterene/hctz is not covered by your plan) and the drug savings options are not applicable or still unaffordable, then you can check Medicaid eligibility in your state by following the instructions at HealthCare.gov.
The government site is easy to use and you can select your state and it will navigate you to the appropriate contact point to make the application. State Medicaid programs may cover the full cost of your medication.
If you are denied and all else fails, and if you have been prescribed triamterene/hctz for an FDA-approved indication, you can call the pharmaceutical company to see if they have any other assistance programs.
I am commercially or privately insured and none of the triamterene/hctz prescription saving options are applicable or affordable for me, what can I do?
If your medication is not covered by your plan, you can appeal your insurance company’s decision. Sometimes, a formal appeal can result in the drug being covered if it is deemed medically necessary.
If you cannot afford your copay contribution, then you can check Medicaid eligibility in your state by following the instructions at HealthCare.gov.
However, being privately insured might complicate your eligibility for Medicaid, as having private insurance may be considered in the financial eligibility assessment.
The government site is easy to use and you can select your state and it will navigate you to the appropriate contact point to make the application. If you qualify, state Medicaid may cover the full cost of your medication.
If I have federal, state or commercial insurance and none of the triamterene/hctz prescription saving options are applicable or affordable for me, are there any other support organisations that can help me with my co-insurance or copay contributions?
If you have already tried Medicaid and received a denial letter or if you are insured with Medicare and have been denied Low-Income Subsidy, then you can try one of the following organizational support programs:
1. Patient Access Network Foundation (PAN) assistance for triamterene/hctz
If you are having trouble paying for your triamterene/hctz medication due to unaffordable copays or deductibles, the Patient Access Network Foundation (PAN), may be able to assist you. To qualify for PAN assistance for triamterene/hctz you will need to meet one or all of the following criteria:
- Your income is below 400% of the federal poverty level
- triamterene/hctz is prescribed for an approved FDA indication
- You live in and receive treatment in the United States or U.S. territories, even if you do not have U.S. citizenship
- You have Medicare insurance coverage that covers triamterene/hctz
- If triamterene/hctz is listed on PAN’s list of covered medications
You can check the Patient Access Network Foundation Website for more information.
2. HealthWell Foundation Copay Program for triamterene/hctz
If you are having trouble paying for your triamterene/hctz medication due to unaffordable copays or deductibles, the HealthWell Foundation Copay Program may be able to assist you. To qualify for assistance for triamterene/hctz you will need to meet the following criteria:
- You live in and are being treated in the United States
- You are insured and your plan covers triamterene/hctz
- If triamterene/hctz is listed on the HealthWell Foundation’s list of covered medications
You can check the HealthWell Foundation Website for more information.
3. Patient Advocate Foundation Co-Pay Relief Program for triamterene/hctz
Patient Advocate Foundation’s Co-Pay Relief program exists to help reduce the financial distress you or your family may face when paying for your triamterene/hctz treatment. If you qualify and can demonstrate the need, the foundation will provide you with direct payment covering co-pays, co-insurance, and deductibles. To qualify for assistance for triamterene/hctz you will need to meet the following criteria:
- You must be currently insured and have coverage for triamterene/hctz
- You must have a confirmed diagnosis and treatment plan
- You must reside and receive treatment in the United States
- Your Income must fall at or below 300% or 400% of the Federal Poverty Guideline (FPG) with consideration for the Cost of Living Index (COLI) and number in the household
- Applications can also be completed by contacting the program sponsor, toll-free at 866-512-3861.
You can check the Patient Advocate Foundation Website for more information.
Medical Disclaimer
NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.
The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.
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