HESI RN · HESI Pharmacology · Drugs for integumentary system

Option B: Calcipotriol is a vitamin D analog that effectively regulates skin cell growth and differentiation, making it beneficial for managing psoriasis. It helps reduce scaling and inflammation, thus improving the overall condition of the skin in affected patients.

Option A: Adapalene is a topical retinoid primarily used for acne treatment and does not have a significant role in managing psoriasis.

Option C: Psoralens are used in conjunction with ultraviolet light therapy for psoriasis treatment but are not effective as a standalone local application for managing the condition.

Option D: Dithranol is a topical treatment for psoriasis; however, it is less commonly used due to its potential for skin irritation and staining, making it less favorable compared to calcipotriol.

Takeaways: Calcipotriol serves as an effective topical treatment for psoriasis by regulating skin cell growth and differentiation, which is crucial for managing this condition effectively. For further details on psoriasis treatments, refer to MedlinePlus on psoriasis.

Option A: Can be effectively treated with topical benzoyl peroxide. Benzoyl peroxide is a first-line treatment for acne vulgaris due to its antibacterial properties and ability to reduce inflammation. It works by killing the bacteria that contribute to acne and promoting the turnover of skin cells, making it a highly effective option in managing this condition.

Option B: Oral methylprednisolone may exacerbate acne in some individuals due to its potential to increase sebum production and alter hormonal balance, rather than precipitating it. This corticosteroid can lead to worsening of acne symptoms in predisposed patients.

Option C: While propionibacteria (specifically Cutibacterium acnes) are involved in the pathogenesis of acne, they are not the sole cause. Acne vulgaris is multifactorial, involving hormonal changes, sebum production, and follicular hyperkeratinization, making this statement overly simplistic.

Option D: Cold tar treatment is primarily used for psoriasis and other skin conditions, but it is not a standard treatment for acne vulgaris. Its effectiveness in reducing acne lesions is not well-supported by clinical evidence, making this option misleading.

Takeaways: Topical benzoyl peroxide is a cornerstone in the treatment of acne vulgaris due to its antibacterial and anti-inflammatory effects, which are essential for effective management of this common skin condition. For more detailed information on acne treatments, refer to MedlinePlus on acne.

Option D: Initial or recurrent genital herpes simplex - oral aciclovir is the appropriate treatment as aciclovir is an antiviral medication specifically indicated for managing herpes simplex virus infections, effectively reducing symptoms and duration of outbreaks.

Option A: Candida vulvovaginitis - topical ketoconazole does not represent the first-line treatment; antifungal agents like clotrimazole or miconazole are typically preferred for this condition.

Option B: Fungal nail infections - oral griseofulvin is not the standard treatment; terbinafine is generally more effective for onychomycosis due to its superior efficacy and safety profile.

Option C: Tinea corporis - topical clotrimazole is not the most effective choice; while it can be used, terbinafine or other azoles are often recommended for better outcomes in treating dermatophyte infections.

Takeaways: Effective management of viral infections requires appropriate antiviral therapy, such as oral aciclovir for genital herpes simplex, which is crucial for symptom relief and outbreak management; further details can be found on MedlinePlus about herpes simplex virus.