Health Library Logo

Health Library

What is Trandolapril and Verapamil: Uses, Dosage, Side Effects and More

Created at:1/13/2025

Overwhelmed by medical jargon?

August makes it simple. Scan reports, understand symptoms, get guidance you can trust — all in one, available 24x7 for FREE

Loved by 2.5M+ users and 100k+ doctors.

Trandolapril and verapamil is a combination medication that brings together two powerful blood pressure-lowering drugs in one pill. This partnership works by tackling high blood pressure from two different angles, making it easier for your heart to pump blood and helping your blood vessels relax. Many people find this combination helpful when a single medication isn't quite enough to keep their blood pressure in a healthy range.

What is Trandolapril and Verapamil?

This medication combines trandolapril, an ACE inhibitor, with verapamil, a calcium channel blocker, into one convenient tablet. Think of it as a team approach where each drug has its own job but they work together toward the same goal. Trandolapril helps block certain chemicals that make your blood vessels tighten, while verapamil helps your heart beat more gently and keeps your blood vessels relaxed.

The combination is specifically designed for people who need both types of medication to manage their blood pressure effectively. Your doctor might prescribe this when you've tried other blood pressure medications that didn't work well enough on their own.

What is Trandolapril and Verapamil Used For?

This combination medication is primarily used to treat high blood pressure, also called hypertension. High blood pressure puts extra strain on your heart and blood vessels, and over time, this can lead to serious health problems if left untreated.

Your doctor might recommend this medication if you have consistently high blood pressure readings that haven't responded well to lifestyle changes alone or single medications. Sometimes doctors also prescribe this combination when you've had good results with both medications separately but want the convenience of taking fewer pills.

Beyond blood pressure control, this medication can help protect your heart, kidneys, and brain from the long-term damage that high blood pressure can cause. It's essentially giving your cardiovascular system the support it needs to work more efficiently.

How Does Trandolapril and Verapamil Work?

This combination medication works through two complementary mechanisms that together create a more comprehensive approach to blood pressure control. Both components are considered moderately strong medications that work well together.

Trandolapril blocks an enzyme called ACE, which normally helps produce a hormone that tightens blood vessels. By blocking this enzyme, trandolapril helps your blood vessels stay relaxed and open, making it easier for blood to flow through them.

Verapamil works differently by blocking calcium channels in your heart and blood vessel walls. When calcium can't enter these cells as easily, your heart beats more gently and your blood vessels relax. This dual action means your heart doesn't have to work as hard to pump blood throughout your body.

How Should I Take Trandolapril and Verapamil?

Take this medication exactly as your doctor prescribes, usually once daily with food to help reduce stomach upset. The extended-release formulation is designed to work throughout the day, so consistency in timing helps maintain steady blood pressure control.

You can take this medication with or without food, but taking it with a light meal or snack can help prevent any stomach discomfort. Avoid grapefruit and grapefruit juice while taking this medication, as they can interfere with how your body processes the verapamil component.

Swallow the tablet whole without crushing, chewing, or breaking it. The extended-release coating is designed to release the medication slowly over time, and breaking it could cause too much medicine to be released at once.

If you forget a dose, take it as soon as you remember, unless it's almost time for your next dose. In that case, skip the missed dose and continue with your regular schedule. Never take two doses at once to make up for a missed one.

How Long Should I Take Trandolapril and Verapamil For?

Most people need to take this medication long-term to maintain healthy blood pressure levels. High blood pressure is typically a chronic condition that requires ongoing management rather than a short-term treatment.

You'll likely start seeing blood pressure improvements within a few weeks, but the full benefits may take up to 6-8 weeks to develop. Your doctor will monitor your blood pressure regularly to see how well the medication is working and may adjust your dose if needed.

Even if you feel completely fine, it's important to continue taking this medication as prescribed. High blood pressure often has no symptoms, which is why it's sometimes called the "silent killer." Stopping the medication without your doctor's guidance could cause your blood pressure to rise again.

What Are the Side Effects of Trandolapril and Verapamil?

Like all medications, this combination can cause side effects, though many people tolerate it well. Understanding what to expect can help you feel more prepared and know when to contact your healthcare provider.

The most common side effects you might experience include dizziness, especially when standing up quickly, fatigue, headache, and swelling in your ankles or feet. These effects often improve as your body adjusts to the medication over the first few weeks.

Here are the more common side effects that some people experience:

  • Dizziness or lightheadedness, particularly when changing positions
  • Fatigue or feeling more tired than usual
  • Headache, usually mild and temporary
  • Swelling in your ankles, feet, or lower legs
  • Constipation, which can often be managed with dietary changes
  • Dry cough, more common with the trandolapril component
  • Nausea or stomach upset

These common side effects are usually mild and tend to improve as your body adjusts to the medication. If they persist or become bothersome, your doctor can often suggest ways to manage them.

Some less common but more serious side effects require immediate medical attention. While these are rare, it's important to be aware of them so you can seek help if needed.

Contact your doctor right away if you experience any of these more serious side effects:

  • Severe dizziness or fainting spells
  • Rapid or irregular heartbeat
  • Severe swelling of your face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Persistent dry cough that becomes bothersome
  • Yellowing of your skin or eyes
  • Severe stomach pain or persistent nausea
  • Muscle weakness or cramping

Very rarely, some people may experience a severe allergic reaction called angioedema, which causes swelling of the face, lips, tongue, or throat. This is a medical emergency that requires immediate treatment.

Who Should Not Take Trandolapril and Verapamil?

This combination medication isn't suitable for everyone, and your doctor will carefully consider your medical history before prescribing it. Certain health conditions and situations make this medication potentially unsafe or less effective.

You should not take this medication if you're pregnant or planning to become pregnant, as ACE inhibitors like trandolapril can harm an unborn baby. If you become pregnant while taking this medication, contact your doctor immediately to discuss safer alternatives.

People with certain heart conditions should avoid this combination, including those with severe heart failure, certain types of heart rhythm problems, or very low blood pressure. Your doctor will evaluate your heart health before prescribing this medication.

Here are specific conditions that may make this medication inappropriate for you:

  • Pregnancy or breastfeeding
  • History of angioedema (severe allergic swelling)
  • Severe kidney disease or kidney failure
  • Severe liver disease
  • Certain heart rhythm disorders
  • Very low blood pressure (hypotension)
  • Severe heart failure
  • Allergy to ACE inhibitors or calcium channel blockers

Additionally, this medication may not be the best choice if you have diabetes with kidney problems, as it can affect kidney function. Your doctor will monitor your kidney function regularly if you have these conditions.

Trandolapril and Verapamil Brand Names

This combination medication is available under the brand name Tarka in the United States. Tarka comes in several strength combinations to allow your doctor to find the right dose for your specific needs.

The medication is available in extended-release tablets that combine different amounts of trandolapril and verapamil. Your doctor will determine which strength is most appropriate based on your blood pressure response and any side effects you might experience.

Generic versions of this combination may also be available, which can be a more affordable option while providing the same therapeutic benefits. Your pharmacist can help you understand the options available to you.

Trandolapril and Verapamil Alternatives

If this combination doesn't work well for you or causes bothersome side effects, there are several alternative approaches your doctor might consider. The key is finding the right combination of medications that effectively controls your blood pressure while minimizing side effects.

Your doctor might try different ACE inhibitor combinations, such as lisinopril with amlodipine, or switch to an ARB (angiotensin receptor blocker) combined with a calcium channel blocker. These alternatives work similarly but may be better tolerated by some people.

Other combination options include ACE inhibitors with diuretics (water pills), or completely different classes of blood pressure medications like beta-blockers or ARBs. The choice depends on your specific health profile and how your body responds to different medications.

Is Trandolapril and Verapamil Better Than Other Combinations?

This combination can be very effective for many people, but whether it's "better" depends on your individual situation and how your body responds to different medications. What works best varies from person to person based on factors like other health conditions, side effect tolerance, and blood pressure response.

Compared to some other combinations, this pairing offers the benefit of addressing blood pressure through two different mechanisms, which can be particularly helpful for people with stubborn high blood pressure. The extended-release formulation also provides steady blood pressure control throughout the day.

However, some people might do better with other combinations, such as an ACE inhibitor with a diuretic, or an ARB with a calcium channel blocker. Your doctor will work with you to find the combination that gives you the best blood pressure control with the fewest side effects.

Frequently asked questions about Trandolapril and verapamil (oral route)

This combination can be safe for people with diabetes, and ACE inhibitors like trandolapril may actually help protect your kidneys from diabetes-related damage. However, your doctor will need to monitor your kidney function and blood sugar levels more closely.

The medication can sometimes affect blood sugar levels, and people with diabetes may need adjustments to their diabetes medications. Your doctor will work with you to ensure both your blood pressure and blood sugar remain well-controlled.

If you accidentally take more than your prescribed dose, contact your doctor or poison control center immediately, especially if you feel dizzy, faint, or have trouble breathing. Taking too much can cause dangerously low blood pressure or heart rhythm problems.

Don't wait to see if you feel okay, as the effects of an overdose can be serious and may not be immediately apparent. Keep the medication bottle with you when seeking medical attention so healthcare providers know exactly what and how much you took.

If you miss a dose, take it as soon as you remember, unless it's almost time for your next scheduled dose. In that case, skip the missed dose and continue with your regular dosing schedule.

Never take two doses at once to make up for a missed dose, as this could cause your blood pressure to drop too low. If you frequently forget doses, consider setting phone reminders or using a pill organizer to help you stay on track.

You should only stop taking this medication under your doctor's supervision. High blood pressure typically requires long-term management, and stopping suddenly can cause your blood pressure to rise quickly, potentially leading to serious complications.

If you and your doctor decide to stop the medication, you'll likely need to reduce the dose gradually over time rather than stopping abruptly. Your doctor will monitor your blood pressure closely during this process and may suggest alternative treatments.

You can have alcohol in moderation while taking this medication, but be aware that alcohol can enhance the blood pressure-lowering effects and increase your risk of dizziness or fainting. It's best to limit alcohol consumption and avoid drinking heavily.

If you choose to drink, do so slowly and be extra careful when standing up, as the combination of alcohol and this medication can make you feel more lightheaded than usual. Always discuss your alcohol consumption with your doctor to ensure it's safe for your specific situation.

Want a 1:1 answer for your situation?

Ask your question privately on August, your 24/7 personal AI health assistant.

Loved by 2.5M+ users and 100k+ doctors.

footer.address

footer.talkToAugust

footer.disclaimer

footer.madeInIndia