Side Effects of Taking Propecia With the Condition Seborrheic Dermatitis

Was wandering if there would be any side effects of taking Propecia with the condition seborrheic dermatitis?

Seborrheic dermatitis is a skin condition that cause flaky skin/ scalp. It has nothing to do with genetic hair loss.
Propecia is a drug for the treatment of androgenic alopecia. It has nothing to do with a skin condition such as seborrheic dermatitis. Many patients with seborrheic dermatitis take Propecia without issues.