William is a 62-year-old male who is requesting a prescription for sildenafil (Viagra). He should be screened for ______ before receiving a prescription for sildenafil.

Selective serotonin reuptake inhibitors (SSRIs) are commonly used as first-line treatment for major depressive disorder because they improve mood by increasing serotonin availability in the brain. Patient education is important to improve adherence, especially during the first few weeks when side effects may occur before full therapeutic benefit is noticed. Many patients discontinue therapy early if they are not prepared for these temporary effects. Proper counseling helps improve treatment success and reduces unnecessary medication discontinuation.

Rationale:
A. Rising slowly from a lying or sitting position is more commonly emphasized with tricyclic antidepressants or antihypertensive medications that frequently cause orthostatic hypotension. Although SSRIs may occasionally cause dizziness, orthostatic hypotension is not a major expected adverse effect of Citalopram. This is not the primary counseling point that should be emphasized for routine SSRI initiation.

B. Citalopram should not be titrated rapidly every 2 days because antidepressants require gradual dose adjustments and time to assess response and tolerance. Rapid titration increases the risk of adverse effects such as serotonin syndrome, QT prolongation, and patient intolerance. Clinical improvement also takes several weeks, so aggressive dose escalation is inappropriate.

C. Minor side effects such as nausea, mild somnolence, headache, and insomnia are common during the early phase of SSRI treatment and are usually temporary. These symptoms often improve within 1 to 2 weeks as the body adjusts to the medication. Educating the patient about this helps reduce anxiety, improves adherence, and prevents premature discontinuation before therapeutic benefits are achieved.

D. Abrupt discontinuation of SSRIs can lead to discontinuation syndrome, which may include dizziness, irritability, flu-like symptoms, and sensory disturbances. Although some SSRIs with longer half-lives have lower risk, citalopram still requires gradual tapering rather than sudden cessation. Patients should always be instructed not to stop the medication suddenly without provider guidance.

Generalized anxiety disorder (GAD) is a chronic mental health condition characterized by excessive, persistent worry and associated physical symptoms such as restlessness, muscle tension, and sleep disturbance. Outpatient management typically involves a combination of psychotherapy, especially cognitive behavioral therapy, and pharmacologic treatment. First-line medications are chosen for long-term safety, effectiveness, and low risk of dependence. Treatment aims to reduce anxiety symptoms while improving daily functioning over time.

Rationale:
A. Barbiturates are not used for generalized anxiety disorder due to their high risk of sedation, respiratory depression, tolerance, and dependence. They have a narrow therapeutic index and are associated with significant overdose risk. For these reasons, they are no longer recommended for outpatient management of anxiety disorders.

B. Benzodiazepines may provide short-term relief of anxiety symptoms, but they are not first-line for long-term outpatient treatment due to risks of dependence, tolerance, and withdrawal. While they may be used temporarily during acute exacerbations, they do not address the underlying chronic nature of GAD and are not preferred for routine maintenance therapy.

C. Atypical antipsychotics are not first-line treatments for generalized anxiety disorder. Although some may be used as adjuncts in treatment-resistant cases, they carry risks such as weight gain, metabolic syndrome, and extrapyramidal symptoms. Their risk profile outweighs their benefit in routine outpatient anxiety management.

D. Selective serotonin reuptake inhibitors (SSRIs) are first-line pharmacologic agents for generalized anxiety disorder because they improve serotonin availability, reducing chronic anxiety symptoms over time. SSRIs are effective for long-term management, have a favorable safety profile, and are not associated with dependence. When combined with behavioral therapy, they provide the most evidence-based outpatient treatment approach for GAD.