Over-the-counter hydrocortisone cream is an appropriate treatment for mild cases of dermatitis, according to WebMD. Oral antihistamines can also alleviate itching. In some cases, it may be necessary to take antibiotics if a secondary infection develops.
Physicians recommend corticosteroid pills or injections for more severe cases of dermatitis, WebMD says.
Dandruff shampoos can treat seborrheic dermatitis, WebMD notes. Key ingredients in these shampoos include tar, salicylic acid, zinc pyrithione, ketoconazole and sulfur. Moisturizing lotion and prescription-strength corticosteroid creams are useful for combating nummular dermatitis.
Supportive stockings help alleviate statis dermatitis, WebMD explains. It is also important to treat the underlying condition causing the leg to swell.