The plural of symptom is symptoms.
Symptoms is the plural of symptom
Dysphagia (difficulty or discomfort in swallowing, as a symptom of disease) has no plural form.
The term odynophagia refers to a non-specific medical symptom (pain when swallowing), and would be neither singular nor plural. It uses singular verbs. (e.g. His odynophagia is not severe.) Some medical conditions have multiple forms and have usable plurals (e.g. phobias)
Insomnia is not a symptom of an std.
No. GERD is not a symptom of rabies.
Yes, itching can be a symptom of a yeast infection. That is not the only symptom but could be an indicator.
Itching can definitely be considered a withdrawal symptom depending on the addiction. Itching can be a withdrawal symptom from injection drugs for example.
It can be, but it's not a main symptom
No, fever is a symptom of infection or dehydration.
Raised bilirubin is a symptom
It is a primary symptom of gingivitis.
Yes, spotting can be a symptom of a UTI.