about what i was experiencing. s but still experience the symptoms of moderate to severe crohn's disease. in clinical studies, the majority of patients on humira saw significant symptom relief. and many achieved remission. humira can lower your ability to fight infections, including tuberculosis. serious, sometimes fatal infections and cancers, including lymphoma, have happened; as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening heart failure. before treatment, get tested for tb. tell your doctor if you've been to areas where certain fungal infections are common, are prone to infections, or have flu-like symptoms or sores. don't start humira if you have an infection. if you're still just managing your symptoms, talk with your gastroenterologist about humira.