What is causing the blue/pink veins and irritation under my tongue for 2-3 months?

Blue or pink veins under the tongue can often be quite normal due to the thin, delicate tissue that allows underlying blood vessels to be more visible. However, when paired with irritation or pain persisting for a couple of months, it’s essential to rule out any potential underlying conditions. While your dentist noted acidity in the past, the presence of cavities and frequent irritation might suggest a condition like oral lichen planus or even burning mouth syndrome, which can be exacerbated by acidic exposure or dental issues. It’s important to determine if acidity is contributing to this discomfort, as gastric reflux can sometimes lead to sensations or changes in the oral cavity.

Given your described symptoms, though not immediately alarming due to the absence of more severe signs like bleeding or significant swelling, an ENT checkup might indeed be warranted. They can perform a more detailed examination, possibly using specific oral swabs or even imaging to assess whether there’s a deeper issue. In the meantime, managing acidity is crucial, considering lifestyle changes such as avoiding known triggers (spicy or acidic foods), having regular dental check-ups to address cavities, and maintaining good oral hygiene. Should any new worrisome symptoms like difficulty swallowing, persistent pain, or notable changes in the vein’s size or color arise, seeking immediate evaluation would be advisable. Overall, a professional assessment will likely provide clarity and help alleviate any ongoing discomfort.