What is the primary treatment modality for psoriasis?

Topical corticosteroids are indeed the primary treatment modality for psoriasis. These medications are commonly used due to their effectiveness in reducing inflammation and alleviating the symptoms associated with psoriasis, such as redness, scaling, and itching. Topical corticosteroids work by suppressing the immune response in the skin and decreasing hyperproliferation of skin cells, which is a hallmark of psoriasis.

Their use is often favored initially because they are convenient and have a relatively favorable side effect profile when compared to systemic therapies. Mild to moderate cases of psoriasis are typically managed effectively with topical treatments, and they can be combined with other modalities if needed for more severe cases.

Other treatment options listed, such as phototherapy, may be effective for moderate to severe conditions or in cases where topical treatments are insufficient. Biologic agents are advanced treatments targeting specific components of the immune system, and they are generally reserved for severe psoriasis or when other treatments have failed. Oral antibiotics do not address the underlying pathophysiology of psoriasis and are not a standard treatment for this condition, as psoriasis is not caused by bacterial infections.

Understanding the role and application of topical corticosteroids in the management of psoriasis is essential for dermatological practice and patient care.