As have blood, liver, and nervous system problems, serious allergic reactions,... a...and new or worsening heart nervous failure.roblems, before treatment, get tested for tb. tell your doctor if you've been to areas where certain ngal infections are common, and if you've had tb,... ...hepatitis b, are prone to infections, ...ohave flu-like symptoms or sores. don't start humira if you have an infection. if you're still just managing your symptoms, ask your gastroenterologist about humira. with humira, remission is possible. any of you see that debate last night? i'll tell you what, i'm not su...