Approved indications: This combination is approved to treat hypertension (high blood pressure) in adults whose blood pressure is not adequately controlled with amlodipine or benazepril alone, or who develop troublesome swelling (edema) on amlodipine by itself.

Off-label uses: Clinicians may select this combination for adults who are likely to benefit from both an ACE inhibitor and a calcium channel blocker (for example, some people with diabetes, kidney disease, or coronary artery disease), but this is based mainly on evidence for the individual drug classes rather than dedicated trials of this exact product.

Onset and time to benefit: Blood pressure usually begins to improve within the first few doses, with most of the effect seen in about 1 to 2 weeks; the dose may be adjusted over time to reach target blood pressure.

Typical outcomes: When taken consistently along with lifestyle changes such as diet and exercise, it lowers blood pressure and helps reduce the long-term risk of heart attack, stroke, heart failure, and kidney damage compared with untreated high blood pressure.

Comparison to similar drugs: Its blood-pressure–lowering effect is similar to taking amlodipine and an ACE inhibitor as separate pills, but combining them into a single daily capsule can simplify therapy and may improve adherence for some patients.

Typical dosing: For adults, the usual starting dose is one capsule containing 2.5 mg of amlodipine and 10 mg of benazepril taken by mouth once daily, with the dose individualized and gradually increased as needed up to a usual maximum of 10 mg/40 mg once daily.

• This medicine is not recommended for children under 18 years because it has not been adequately studied in this age group.
• Older adults and people with liver problems are often started at the lower end of the dosing range.
• It is generally not recommended for people with severe kidney impairment (creatinine clearance ≤30 mL/min).

How to take it: Swallow the capsule whole with water at about the same time each day, with or without food, and avoid taking more or less than prescribed.

Special dosing instructions: Your doctor may adjust the dose every 1 to 2 weeks based on blood pressure readings and side effects, and in some cases may switch you from separate amlodipine and benazepril tablets to an equivalent-strength combination capsule.

Missed dose: If you miss a dose, take it as soon as you remember unless it is almost time for your next scheduled dose; if it is close to the next dose or more than about 12 hours late, skip the missed dose and take your next dose at the regular time, and never take two doses at once to make up for a missed dose.

Overdose: Taking too much can cause severe low blood pressure, dizziness, or fainting; if an overdose is suspected, call emergency services or a poison control center right away and do not try to treat it on your own.

Common side effects: Frequently reported effects include swelling of the ankles or feet, dizziness or lightheadedness (especially when starting or increasing the dose), headache, flushing, tiredness, dry cough, and mild nausea; these often appear in the first days to weeks of treatment and are usually mild to moderate.

• Peripheral swelling from amlodipine is dose-related and may improve if the dose is adjusted or with continued use.
• The ACE-inhibitor component (benazepril) commonly causes a persistent dry cough in some people, which stops after the drug is discontinued.

Serious or rare adverse effects (seek urgent care): Stop the medicine and get immediate medical attention for swelling of the face, lips, tongue, or throat; trouble breathing or swallowing; severe dizziness or fainting; chest pain; very fast or irregular heartbeat; little or no urine, sudden weight gain, or swelling of the legs suggesting kidney problems; yellowing of the skin or eyes or dark urine; or signs of high potassium such as muscle weakness or a very slow or irregular heartbeat.

Warnings and precautions: This medicine must not be used during pregnancy because ACE inhibitors can seriously harm or kill an unborn baby, and it should be stopped as soon as pregnancy is detected; breastfeeding requires individualized advice, as small amounts may pass into breast milk and other drugs may be preferred for some infants.

• Not recommended for children, because safety and effectiveness have not been established under 18 years of age.
• Use with caution in people with kidney disease, liver impairment, heart failure, aortic stenosis or other outflow obstruction, low blood volume (for example from diuretics, vomiting, or diarrhea), or a history of angioedema.
• It is generally avoided in people with severe kidney impairment or narrowing of both kidney arteries.

Safety compared with other blood pressure drugs: Overall safety is similar to using an ACE inhibitor plus a dihydropyridine calcium channel blocker separately; cough and rare angioedema are specific to the ACE inhibitor, while ankle swelling, flushing, and headache are typical of amlodipine, and the combination may cause more low blood pressure or dizziness than a single drug alone.

Reporting side effects and safety updates: Patients should promptly tell their healthcare provider about any bothersome or serious side effects, and in the United States they can report suspected adverse effects directly to the FDA through the MedWatch program (online or by phone) and check official medication guides or the FDA website for updated safety communications.

Major drug interactions: Do not use this medicine with aliskiren if you have diabetes, and avoid combining it with other ACE inhibitors or angiotensin receptor blockers unless your doctor specifically recommends it, because this increases the risk of kidney problems, very low blood pressure, and high potassium.

• Potassium-sparing diuretics (such as spironolactone, eplerenone, amiloride, or triamterene), potassium supplements, and salt substitutes containing potassium can raise potassium levels and should be used only with careful monitoring.
• Nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen or naproxen, especially when used regularly, can reduce the blood-pressure–lowering effect and increase the risk of kidney damage, particularly in older adults or those with kidney disease or dehydration.
• Lithium levels can rise to toxic levels when taken with ACE inhibitors, so this combination generally requires close monitoring or avoidance.
• Other blood pressure medicines, diuretics, nitrates, and drugs for erectile dysfunction (such as sildenafil) can add to blood-pressure lowering and increase the chance of dizziness or fainting.
• Amlodipine can increase blood levels of simvastatin; if you take simvastatin, your doctor may limit the simvastatin dose.

OTC products, foods, and alcohol: Decongestants and other cold remedies that contain stimulants (like pseudoephedrine) can raise blood pressure, and frequent use of NSAID pain relievers can interfere with treatment.

• Avoid or limit alcohol, as it can enhance dizziness and low blood pressure.
• Large amounts of grapefruit juice may modestly increase amlodipine levels; many clinicians advise avoiding excessive grapefruit products.
• Be cautious with high-potassium salt substitutes or potassium-containing supplements unless your doctor has advised them.

Precautions and conditions requiring extra care: This medicine is contraindicated in pregnancy, in people with a history of angioedema related to ACE inhibitors or hereditary angioedema, in those with severe kidney impairment, and when used with aliskiren in patients with diabetes.

• Use with caution if you have kidney or liver disease, heart failure, significant valve disease (such as aortic stenosis), narrowing of the kidney arteries, or if you are dehydrated.
• Blood pressure response to ACE inhibitors can be less in some Black patients, but the combination with amlodipine still lowers blood pressure and may be appropriate.

Monitoring needs: Your healthcare provider will typically monitor blood pressure, kidney function (blood creatinine and BUN), and blood potassium, especially after starting treatment or changing the dose, and may check liver tests or other labs if symptoms suggest a problem.

Q: What is amlodipine besylate and benazepril hydrochloride used for?
A: It is a combination blood pressure medicine used in adults whose high blood pressure is not adequately controlled with amlodipine or benazepril alone.

Q: How long does it take for this medicine to start working?
A: Blood pressure usually begins to improve within the first few doses, with most of the effect seen in about 1 to 2 weeks, though your doctor may adjust the dose over time to reach your target.

Q: Can I drink alcohol while taking this medication?
A: Small amounts of alcohol may be permitted, but alcohol can increase dizziness and low blood pressure, so it is best to limit intake and ask your doctor what is safe for you.

Q: What should I do if I become pregnant while taking this medicine?
A: Stop taking it and contact your healthcare provider immediately, because ACE inhibitors can seriously harm an unborn baby and you will need to be switched to a safer alternative.

Q: Can I stop taking it once my blood pressure is controlled?
A: No, high blood pressure usually returns if the medication is stopped, so you should continue taking it as prescribed unless your doctor changes or discontinues it.

Q: Is taking the combination capsule better than taking two separate pills?
A: The combination generally lowers blood pressure about the same as taking the two drugs separately but may be more convenient, which can make it easier for some people to take their medicine every day.

Storage: Store capsules at room temperature (about 68°F to 77°F), protected from moisture, heat, and direct light, in the original tightly closed container, and keep out of the reach of children and pets.

Handling: Do not use capsules that are damaged, discolored, or past the expiration date, and do not transfer them to unlabelled containers.

Disposal: When no longer needed, take unused medicine to a pharmacy or community drug take-back program if available; if none is available, mix capsules (without crushing them) with an undesirable substance (such as used coffee grounds or kitty litter), seal in a bag or container, and throw in the household trash, and do not flush them down the toilet unless specifically instructed.