PrescriptionGiant is a FREE prescription savings program that can save you up to 75% on your prescriptions with or without insurance!

Quinaretic (Generic Quinapril)

Actual product appearance may differ slightly.

Click the CARD below to print or take a screenshot on your mobile phone or tablet. There is no need to download another app!

If you would like to personalize your card enter your full name in the member name field below the card at this link and click the Update button.


As with any medication, there are potential risks and side effects associated with Quinaretic. It’s important to note that not everyone will experience these side effects, and some individuals may tolerate the medication well. Here are some potential risks and side effects associated with Quinaretic:

  • Hypotension (Low Blood Pressure): The combination of an ACE inhibitor and a diuretic can lead to a drop in blood pressure. This may be more pronounced in individuals who are dehydrated or have pre-existing low blood pressure.
  • Electrolyte Imbalance: Hydrochlorothiazide, being a diuretic, can increase the excretion of potassium, sodium, and other electrolytes. This may lead to electrolyte imbalances, which can have various effects on the body.
  • Renal Impairment: ACE inhibitors can affect kidney function, and individuals with pre-existing kidney problems may be at higher risk. It’s important to monitor kidney function regularly.
  • Hyperkalemia: Quinapril, as an ACE inhibitor, can sometimes lead to an increase in blood potassium levels, known as hyperkalemia. This can have serious consequences and may require medical attention.
  • Allergic Reactions: Some individuals may be allergic to quinapril or hydrochlorothiazide, leading to allergic reactions. Signs of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing.
  • Blood Disorders: Hydrochlorothiazide can affect blood cell counts, potentially leading to conditions such as leukopenia, thrombocytopenia, or agranulocytosis.
  • Angioedema: ACE inhibitors, including quinapril, may rarely cause a serious condition called angioedema, which involves swelling of the deeper layers of the skin.

It’s crucial for individuals prescribed Quinaretic to be aware of these potential risks and to communicate any concerns or unusual symptoms to their healthcare provider. Regular monitoring, including blood pressure checks and laboratory tests, may be necessary to ensure the medication is well-tolerated and effective. It’s also important not to stop taking Quinaretic abruptly without consulting a healthcare professional, as this can have adverse effects. Always follow your healthcare provider’s instructions and report any side effects promptly.

Why is this medication prescribed?

Quinaretic is a prescription medication that combines two active ingredients: quinapril and hydrochlorothiazide. It is typically prescribed for the treatment of high blood pressure (hypertension). Let’s take a closer look at each component:

  • Quinapril: This is an angiotensin-converting enzyme (ACE) inhibitor. ACE inhibitors work by blocking the conversion of angiotensin I to angiotensin II, a substance that narrows blood vessels and releases hormones that can elevate blood pressure. By inhibiting this process, quinapril helps blood vessels relax and widens them, reducing blood pressure.
  • Hydrochlorothiazide: This is a diuretic or water pill. It works by increasing the amount of urine your body produces, which helps to reduce excess fluid and salt in the body. This, in turn, can lower blood pressure.

By combining an ACE inhibitor with a diuretic, Quinaretic aims to provide a more comprehensive approach to managing hypertension. Lowering blood pressure can help prevent strokes, heart attacks, and kidney problems.

How should this medicine be used?

Quinaretic, like any prescription medication, should be used exactly as prescribed by your healthcare provider. It’s important to follow their instructions carefully. Here are some general guidelines, but keep in mind that these may not cover all situations, and individual instructions may vary:

  • Dosage: The dosage of Quinaretic will be determined by your healthcare provider based on your specific medical condition and needs. Do not alter the dosage without consulting your doctor.
  • Administration: Quinaretic is typically taken by mouth with or without food. Follow the instructions provided by your healthcare provider regarding the timing and conditions of administration.
  • Consistency: Try to take Quinaretic at the same time(s) every day to maintain a consistent level of the medication in your system.
  • Do Not Skip Doses: If you miss a dose, take it as soon as you remember. However, if it’s almost time for your next dose, skip the missed dose and resume your regular dosing schedule. Do not double up on doses to make up for a missed one.
  • Regular Monitoring: Your healthcare provider may regularly monitor your blood pressure and kidney function while you are taking Quinaretic. Attend all scheduled appointments and laboratory tests.
  • Stay Hydrated: Since Quinaretic contains hydrochlorothiazide, a diuretic, it’s important to stay adequately hydrated. However, excessive fluid loss through sweating, diarrhea, or vomiting could lead to dehydration. Inform your healthcare provider if you experience these conditions.
  • Report Side Effects: If you experience any side effects, such as dizziness, lightheadedness, persistent cough, or signs of dehydration (e.g., extreme thirst, very dry mouth), notify your healthcare provider promptly.
  • Medical Interactions: Inform your healthcare provider about all the medications, supplements, and over-the-counter drugs you are taking to avoid potential interactions.
  • Pregnancy and Breastfeeding: If you are pregnant, planning to become pregnant, or breastfeeding, discuss the risks and benefits of Quinaretic with your healthcare provider.

Always consult your healthcare provider for personalized advice on the use of Quinaretic based on your health status and individual needs.

Other uses for this medicine

Quinaretic, which contains quinapril and hydrochlorothiazide, is primarily prescribed for the treatment of hypertension (high blood pressure). However, healthcare providers may sometimes consider its use for other conditions based on their judgment. It’s crucial to note that using medications off-label should only be done under the guidance and supervision of a healthcare professional.

What special precautions should I follow?

Here are some special precautions to keep in mind when using Quinaretic:

  • Allergies: Inform your healthcare provider about any known allergies to quinapril, hydrochlorothiazide, or any other medications. Allergic reactions can be serious and may include rash, itching, swelling, severe dizziness, or difficulty breathing.
  • Medical Conditions: Before starting Quinaretic, discuss your medical history with your healthcare provider, especially if you have a history of kidney disease, liver disease, lupus, gout, diabetes, or certain blood disorders.
  • Electrolyte Imbalance: Quinaretic, particularly because of hydrochlorothiazide, can affect electrolyte levels such as potassium. Regular monitoring may be necessary, and your healthcare provider may recommend dietary adjustments or potassium supplements.
  • Dehydration: The diuretic component of Quinaretic can lead to increased urine production. It’s important to stay adequately hydrated, especially in hot weather or during physical activity. Severe dehydration can be a concern and may require medical attention.
  • Pregnancy and Breastfeeding: Quinaretic may not be suitable for pregnant or breastfeeding individuals. ACE inhibitors like quinapril can be harmful to the developing fetus. If you are pregnant, planning to become pregnant, or breastfeeding, discuss the risks and benefits with your healthcare provider.
  • Interactions with Other Medications: Inform your healthcare provider about all medications, including prescription drugs, over-the-counter medications, and herbal supplements, that you are taking. Certain medications, including nonsteroidal anti-inflammatory drugs (NSAIDs), may interact with Quinaretic.
  • Blood Pressure Monitoring: Regular monitoring of your blood pressure is essential while taking Quinaretic. Your healthcare provider will determine the target blood pressure range suitable for your condition.
  • Avoid Alcohol: Drinking alcohol can further lower your blood pressure and increase the risk of side effects. It’s advisable to limit or avoid alcohol consumption while taking Quinaretic.

Always follow your healthcare provider’s recommendations and guidance. If you experience any unusual symptoms or side effects, contact your healthcare provider promptly. They can provide personalized advice based on your health status and any specific conditions you may have.

What special dietary instructions should I follow?

  • Salt Intake: Follow any dietary recommendations provided by your doctor. Quinaretic is a combination medication that includes a diuretic, and your doctor may recommend a specific salt intake.
  • Potassium-Rich Foods: Quinaretic can affect potassium levels. Avoid excessive intake of potassium-rich foods (e.g., bananas, oranges, spinach) unless directed by your doctor.
  • Alcohol: Limit alcohol intake, as it can enhance the blood pressure-lowering effect of Quinaretic and may cause dizziness or lightheadedness.

What should I do if I forget a dose?

If you forget to take a dose of your medication, the general advice is as follows:

  • Missed Dose: If you miss a dose, take it as soon as you remember. However, if it’s almost time for your next dose, skip the missed dose and resume your regular schedule.
  • Double Dosing: Do not double up on doses to make up for a missed one. Taking more than the prescribed amount may increase the risk of side effects.
  • Consult Your Doctor: If you are unsure about what to do or if you frequently forget doses, consult your healthcare provider. They can provide guidance on how to manage missed doses and may adjust your medication schedule if needed.

What side effects can this medication cause?

Quinaretic, which combines quinapril (an ACE inhibitor) and hydrochlorothiazide (a diuretic), can cause side effects. Not everyone will experience these side effects, and some individuals may experience them to varying degrees. Common side effects and more serious reactions include:

Common Side Effects:

  • Dizziness or Lightheadedness: Especially when standing up from a sitting or lying position.
  • Cough: A persistent dry cough is a known side effect of ACE inhibitors like quinapril.
  • Increased Blood Potassium Levels: ACE inhibitors may cause elevated levels of potassium in the blood (hyperkalemia).
  • Fatigue or Weakness: Feeling tired or weak can occur.
  • Headache: Some people may experience headaches while taking Quinaretic.
  • Nausea: Feeling nauseous or having an upset stomach.
  • Orthostatic Hypotension: A sudden drop in blood pressure upon standing, leading to dizziness or fainting.

Serious Side Effects:

  • Allergic Reactions: Symptoms may include rash, itching, swelling, severe dizziness, or difficulty breathing. Seek immediate medical attention for severe allergic reactions.
  • Kidney Problems: Changes in kidney function or acute kidney failure are possible, especially in individuals with pre-existing kidney conditions.
  • Electrolyte Imbalance: Hydrochlorothiazide can cause imbalances in electrolytes, such as low levels of sodium (hyponatremia) or potassium (hypokalemia).
  • Low Blood Pressure: In some cases, blood pressure may drop too low, leading to symptoms like fainting or severe dizziness.
  • Pancreatitis: In rare cases, ACE inhibitors have been associated with inflammation of the pancreas.
  • Blood Disorders: Hydrochlorothiazide has been linked to blood disorders such as low platelet count (thrombocytopenia) and low red blood cell count (anemia).

It’s crucial to promptly report any unusual or severe side effects to your healthcare provider. Keep in mind that this is not an exhaustive list, and individual responses to medication can vary. Additionally, the benefits of managing hypertension should be carefully weighed against potential side effects. Your healthcare provider will monitor your health and adjust the treatment plan as needed to minimize side effects and ensure the effectiveness of the medication.

What should I know about storage and disposal of this medication?

Storage and Disposal of Quinaretic:

  • Storage:
    • Store Quinaretic at room temperature, away from light and moisture.
    • Keep it out of reach of children and pets.
    • Do not store it in the bathroom or kitchen, where it could be exposed to moisture.
  • Disposal:
    • Dispose of Quinaretic as per your local regulations or guidelines.
    • Do not flush medications down the toilet or pour them into a drain unless instructed to do so.
    • Consult with your pharmacist or local waste disposal company for guidance on proper disposal.

In case of emergency/overdose

In case of emergency or suspected overdose, contact your local emergency services or a poison control center immediately. Signs of overdose may include severe dizziness, fainting, weakness, or unusually fast or slow heartbeat.

What other information should I know?

  • Regular Check-ups: Attend regular check-ups with your healthcare provider to monitor your blood pressure and assess the effectiveness and safety of Quinaretic.
  • Inform Healthcare Providers: Inform all healthcare providers involved in your care about your use of Quinaretic, including dentists and pharmacists.
  • Blood Tests: Your healthcare provider may order periodic blood tests to monitor electrolyte levels, kidney function, and other parameters.
  • Avoid Dehydration: Stay well-hydrated, especially if you are engaging in activities that can cause fluid loss, such as excessive sweating or diarrhea.
  • Avoid Alcohol: Limit or avoid alcohol consumption, as it can potentiate the blood pressure-lowering effects of Quinaretic.
  • Follow Dietary Recommendations: Your healthcare provider may provide dietary recommendations, particularly regarding potassium intake, to complement your medication.

Always follow your healthcare provider’s advice and instructions regarding the use, storage, and disposal of Quinaretic. If you have any questions or concerns, don’t hesitate to discuss them with your healthcare provider or pharmacist.

Copyright © 2023