For viruses, classification is normally based on type of nucleic acid, morphology, presence or absence of an envelope and replication properties. A number of families is recognized, with the family name ending in -viridae, e.g. Poxviridae (double-stranded DNA, enveloped animal viruses).
Heartburn, regurgitation, and dyspepsia are a few of the most common acid reflux symptoms. Heartburn. Also called acid indigestion, heartburn is a burning pain or discomfort that can move up from your stomach to the middle of your abdomen and chest. The pain can also move into your throat.
Many people with GERD have daily symptoms that can lead to more serious health problems over time. The most common symptom of acid reflux is heartburn, a burning sensation in the lower chest and middle abdomen.Some adults may experience GERD without heartburn as well as additional symptoms.These can include belching, wheezing, difficulty swallowing, or a chronic cough.SPONSORED: Save a trip to the doctor's office.his is because acid reflux isnât the most common cause of symptoms such as chronic cough. GERD also often doesn't show up in noninvasive radiologic tests such as barium swallow â the most commonly used test for GERD â in people with atypical symptoms.