Parenteral nutrition (PN or TPN) therapy is a medical treatment for individuals who cannot eat or absorb food through their digestive system. This therapy delivers nutrients directly into the bloodstream and is used for patients of all ages with conditions preventing adequate oral or enteral nutrition.

Monoclonal antibody therapy is a medical treatment that uses laboratory-produced molecules to help the immune system target and fight diseases including cancer and autoimmune disorders. This therapy is used to treat various conditions without presenting specific symptoms, and is typically prescribed to patients diagnosed with these conditions.

Irritable bowel diseases (commonly referred to as inflammatory bowel diseases, including Crohn’s disease and ulcerative colitis) are chronic conditions that cause inflammation of the gastrointestinal tract, affecting people of all ages. Symptoms typically include abdominal pain, diarrhea, fatigue, and unintended weight loss.

Gastroparesis is a condition in which the stomach’s ability to move food into the small intestine is slowed or stopped, without an actual blockage, affecting people of various ages. Key symptoms include nausea, vomiting, feeling full quickly when eating, and abdominal pain.

Crohn’s disease is a chronic inflammatory condition of the gastrointestinal tract that can affect the mouth to the anus, but most commonly impacts the end of the small intestine and the beginning of the colon. It typically affects young adults and presents with symptoms including diarrhea, abdominal pain, and weight loss.

Ulcerative colitis is a chronic inflammatory bowel disease that primarily affects the colon and rectum, resulting in ulcers and inflammation of the colon’s lining. It generally affects people of various ages, and can cause abdominal pain, diarrhea, and rectal bleeding.

Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that can affect various parts of the body, including the skin, joints, kidneys, and nervous system, and it most commonly affects women of childbearing age. Key symptoms include fatigue, joint pain, skin rashes, and fever.

Rheumatoid arthritis (RA) is a chronic autoimmune disease that primarily affects adults and causes inflammation in the joints, leading to pain, swelling, and stiffness. It commonly affects the hands, wrists, and knees, and symptoms can vary in severity among individuals.

Plaque psoriasis is a chronic autoimmune disease commonly affecting adults that causes raised, red, scaly patches on the skin. These patches often appear on the elbows, knees, scalp, and lower back and may be itchy or painful.

Neuroinflammatory disorders are a group of conditions characterized by inflammation of the nervous system, typically affecting the brain and spinal cord, thereby altering their function. These disorders can affect people of all ages and often present with symptoms like fatigue, cognitive difficulties, pain, and mobility issues.