BB is a 55 year old male with stage 1 hypertension and gastroesophageal reflux disease. He is on chlorthalidone and pantoprazole. He is started on Tamsulosin (Flomax) for benign prostatic hyperplasia. What do you counsel him in regards to the potential adverse effect, orthostatic hypotension? Select one:
Blood pressure medications (e.g. chlorthalidone) will not enhance the risk/effect
To decrease the risk, he should take the medication in the evening
It tends to get worse over time
He will need to discontinue his pantoprazole
The Correct Answer is B
Benign prostatic hyperplasia (BPH) is commonly treated with alpha-1 adrenergic blockers such as Tamsulosin (Flomax), which relax smooth muscle in the prostate and bladder neck to improve urinary flow. A common adverse effect of this medication is orthostatic hypotension due to peripheral vasodilation and reduced vascular resistance. Patients already taking antihypertensive medications may be at increased risk of dizziness or syncope. Proper counseling helps prevent falls and improves medication safety.
Rationale:
A. Blood pressure medications such as Chlorthalidone can enhance the risk of orthostatic hypotension when combined with tamsulosin. Since both medications may lower blood pressure through different mechanisms, the combined effect increases the chance of dizziness, lightheadedness, and fainting. Patients should be monitored closely, especially when starting therapy or adjusting doses.
B. Taking Tamsulosin (Flomax) in the evening helps reduce the risk of injury from orthostatic hypotension because dizziness or faintness is more likely to occur after the first doses. If symptoms occur at bedtime, the patient is less likely to fall during daily activities. This “first-dose effect” makes evening administration a common and important counseling recommendation.
C. Orthostatic hypotension usually tends to be more noticeable at the start of treatment rather than worsening progressively over time. Many patients experience the strongest symptoms during initial dosing, and the body often adapts with continued use. Monitoring remains important, but patients should be reassured that symptoms often improve rather than intensify long term.
D. Pantoprazole does not need to be discontinued because it does not significantly contribute to orthostatic hypotension or interact in a major way with tamsulosin regarding this adverse effect. It is used for gastroesophageal reflux disease and is unrelated to blood pressure regulation. Counseling should focus on antihypertensive agents rather than proton pump inhibitors.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Acne vulgaris is a common inflammatory skin condition caused by follicular plugging, excess sebum production, Cutibacterium acnes proliferation, and inflammation. Treatment is based on severity, with mild acne typically managed using topical therapies that reduce bacterial load and prevent comedone formation. First-line management prioritizes safe, effective, and low-risk treatments before progressing to combination or systemic therapies. Over-the-counter options are commonly used as initial therapy for mild cases.
Rationale:
A. Topical retinoids are effective for acne because they normalize follicular keratinization and prevent comedone formation. However, they are often used as part of a broader treatment plan and may cause skin irritation, dryness, and photosensitivity. While useful, they are not always the simplest first-line monotherapy option for very mild acne compared to benzoyl peroxide alone.
B. Benzoyl peroxide and clindamycin (Benzaclin) is typically reserved for moderate acne or cases where bacterial inflammation is more pronounced. While effective, combination therapy with an antibiotic is not necessary for mild acne and may contribute to antibiotic resistance if overused. Therefore, it is not the preferred initial monotherapy for mild disease.
C. Minocycline (Minocin) is a systemic antibiotic used for moderate to severe inflammatory acne. It is not indicated for mild acne due to risks such as antibiotic resistance, gastrointestinal side effects, photosensitivity, and potential long-term adverse effects. Oral therapy is reserved for more extensive or refractory cases.
D. Over-the-counter benzoyl peroxide is the first-line treatment for mild acne because it effectively reduces Cutibacterium acnes and decreases inflammation without contributing to antibiotic resistance. It is safe, widely available, and well tolerated for initial management. This makes it the most appropriate starting therapy for mild acne presentations.
Correct Answer is D
Explanation
Parkinson’s disease is a progressive neurodegenerative disorder caused by the loss of dopamine-producing neurons in the substantia nigra of the brain. This dopamine deficiency leads to motor symptoms such as tremors, rigidity, bradykinesia, and postural instability. In the early stages, treatment often focuses on improving dopaminergic activity to control symptoms and preserve function. Dopamine agonists are commonly used as first-line therapy in younger patients to delay the need for levodopa therapy.
Rationale:
A. Neostigmine (Prostigmin) is a cholinesterase inhibitor primarily used to treat myasthenia gravis, postoperative urinary retention, and reversal of nondepolarizing neuromuscular blockers. It increases acetylcholine levels at the neuromuscular junction rather than enhancing dopamine activity in the brain. Since Parkinson’s disease results from dopamine deficiency, neostigmine does not address the underlying pathology.
B. Physostigmine (Antilirium) is another cholinesterase inhibitor used mainly for anticholinergic toxicity and occasionally for glaucoma. It works by increasing acetylcholine concentrations in the central and peripheral nervous systems. This mechanism is unrelated to dopamine replacement or stimulation, making it inappropriate for first-line Parkinson’s disease management.
C. Donepezil (Aricept) is used in the treatment of Alzheimer’s disease to improve cognition by increasing acetylcholine availability in the brain. It does not stimulate dopamine receptors or increase dopamine levels. Although Parkinson’s patients may later develop cognitive impairment, donepezil is not used as initial therapy for motor symptom control.
D. Ropinirole (Requip) is a dopamine agonist that directly stimulates dopamine receptors in the brain, helping to improve motor symptoms of Parkinson’s disease. It is commonly used in early-stage disease, especially in younger patients, to reduce tremors, rigidity, and bradykinesia. Using dopamine agonists early may delay the long-term motor complications associated with levodopa therapy.
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