Antihypertensive Drug Interactions Podcast – Episode 316

On this podcast episode, I discuss some of the most common antihypertensive drug interactions you need to know.

One major interaction I discuss is the trifecta of a diuretic, an ACE or ARB, and an NSAID. This combination significantly increases the risk for acute renal failure.

Nitrates aren’t classically referred to as an antihypertensive but they can definitely cause some problems when combined with PDE5 Inhibitors.

Lithium can interact with 3 blood pressure medication classes. ACEIs, ARBs, and diuretics can all increase the risk for lithium toxicity.

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Captopril Pharmacology Podcast – Episode 314

On this podcast episode, I discuss captopril pharmacology, kinetics, interactions, and much more!

Captopril is an ACE Inhibitor. It can cause hyperkalemia, cough, and renal impairment.

One of the notable issues with captopril is its relatively short half-life which requires it to be dose frequently throughout the day.

Lithium is an important drug interaction and the use of captopril with this medication may increase concentrations and the chance for toxicity.

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Guanfacine Pharmacology Podcast

On this episode of the podcast, I cover guanfacine pharmacology, adverse effects, drug interactions, and much more.

Guanfacine is a central acting alpha-2 agonist that has the brand names of Tenex and Intuniv.

Because of guanfacine’s mechanism of action, it suppresses the sympathetic response leading to a drop in pulse and blood pressure.

It is important to remind patients that the onset of action is slow in the management of ADHD with guanfacine. I discuss this further in this podcast episode.

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Aliskiren Pharmacology Podcast

On this episode, I discuss aliskiren pharmacology, adverse effects, drug interactions, and much more.

Aliskiren should not be used with ACE Inhibitors or ARBs. I discuss why that is in this episode.

Aliskiren has a long enough half-life at approximately 24 hours so it is recommended to only take this once daily.

Hyperkalemia is a major concern with aliskiren. It is important to monitor potassium levels and renal function.

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Spironolactone Pharmacology Podcast

On this episode, I discuss spironolactone pharmacology, adverse effects, drug interactions and much more.

Spironolactone has numerous indications including hypertension, CHF, ascites, and acne. I break them all down in this podcast episode.

Hyperkalemia is a major concern with spironolactone. Patients with baseline levels at 5 or above should generally avoid this medication.

Gynecomastia is one of the most commonly tested adverse effects of spironolactone. Be sure you don’t miss this one on your board and pharmacology exams!

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Enalapril Pharmacology Podcast

On this episode, I discuss enalapril pharmacology, adverse effects, drug interactions, and much more!

Enalapril has a shorter half-life compared to some of the other ACE inhibitors so it may need to be dosed twice daily in patients with adequate renal function.

Hyperkalemia, cough, renal impairment, and angioedema and four adverse effects associated with enalapril that you should monitor for.

NSAIDs and diuretics can increase the risk of acute renal failure when an ACE inhibitor like enalapril is being used.

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Perils of Polypharmacy (Great Resource for Those Who Work in Geriatrics)

Fosinopril (Monopril) Pharmacology Podcast

On this podcast episode, I discuss fosinopril (Monopril) pharmacology, adverse effects, drug interactions and much more.

Fosinopril is an ACE inhibitor so it should absolutely NOT be used in pregnancy as it poses fetus risks.

Like other ACE inhibitors, hyperkalemia, cough, angioedema, and acute renal failure represent possible risks in using fosinopril.

Drugs that can raise potassium when used in combo with fosinopril include spironolactone, trimethoprim, calcineurin inhibitors, and heparin.

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Meded101 Guide to Nursing Pharmacology (Amazon Highly Rated)

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Drug Interactions In Primary Care (Amazing Resource for Practicing Clinicians)

Perils of Polypharmacy (Great Resource for Those Who Work in Geriatrics)

Indapamide (Lozol) Pharmacology Podcast

On this episode, I discuss indapamide pharmacology, adverse effects, drug interactions, and pharmacokinetics.

I discuss how indapamide differs from other thiazide diuretics. Particularly, I discuss indapamide compared to hydrochlorothiazide.

Frequent urination, hypokalemia, and dehydration are all possible risks with indapamide.

Pay attention to medications that can increase the risk for acute renal failure when added to indapamide. NSAIDs, ACEIs, ARBs, and other diuretics can increase this risk.

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Meded101 Guide to Nursing Pharmacology (Amazon Highly Rated)

Guide to Drug Food Interactions (Amazon Best Seller)

Drug Interactions In Primary Care (Amazing Resource for Practicing Clinicians)

Perils of Polypharmacy (Great Resource for Those Who Work in Geriatrics)

Valsartan Pharmacology Podcast

On this podcast episode, I discuss valsartan pharmacology, adverse effects, drug interactions, and much more.

Valsartan is a fairly common ARB. I mostly see losartan and valsartan used as the most common ARBs in hypertension management.

Valsartan has a longer half-life than losartan which is why we can often get away with once daily dosing compared to losartan which sometimes requires twice daily.

Hyperkalemia is a major concern with ARBs like valsartan. Trimethoprim and spironolactone are two medications that can increase this risk.

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Meded101 Guide to Nursing Pharmacology (Amazon Highly Rated)

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Drug Interactions In Primary Care (Amazing Resource for Practicing Clinicians)

Perils of Polypharmacy (Great Resource for Those Who Work in Geriatrics)

Phentermine Pharmacology Podcast

In this podcast episode, I break down the pharmacology, adverse effects, pharmacokinetics, and drug interactions of phentermine.

Phentermine has some CNS stimulant activity so adverse effects like insomnia, hypertension, and tachycardia are possible.

Pay attention to drugs that can oppose the effects of phentermine and cause weight gain such as mirtazapine and sulfonylureas.

Phentermine is a controlled substance so the risk of addiction and dependence is possible.

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