Allergy/Immunology is a specialty of medicine which deals with diagnosis and treatment of asthma, allergies. An allergy is an abnormal reaction to a substance or environmental trigger. Doctors specializing in this field are called Allergists. Allergists determine what substances or triggers cause reactions in each individual and look for ways to treat those allergies, so the sufferer can go on to live a normal life. Allergists may perform allergy tests like skin challenge, scratch test, breathing test to make accurate diagnosis and provide the right treatment plan.

The subspecialty of interventional pain management aims to help patients who are suffering from all types of pain by using invasive interventions. This may include anything from nerve blocks to implantable drug delivery systems to spinal cord stimulation. This kind of treatment is often helpful for patients who have long-lasting pain that cannot be easily managed with medication or other means of pain management. Therefore, these treatments are usually reserved for those with serious pain problems.