The plural of symptom is symptoms.
Insomnia is not a symptom of an std.
Symptoms is the plural of symptom
No. GERD is not a symptom of rabies.
The main symptom of astigmatism is blurring
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.
Raised bilirubin is a symptom
It can be, but it's not a main symptom
It is a primary symptom of gingivitis.
No, fever is a symptom of infection or dehydration.
Yes. A symptom is a sign that there is some underlying cause - usually unwelcome - as a result of which the symptom occurs.