Oral Blood Blisters: Symptoms, Causes, and Treatment - Otolaryngology

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Understanding oral blood blisters can be quite concerning, especially when accompanied by symptoms such as pain while swallowing, speaking difficulties, and ear discomfort. Based on your description, it appears that you have developed a blood blister in the area of your left tonsil, which has caused a range of symptoms including a burning sensation in your throat, slight acid reflux, and ear pain.
Blood blisters in the oral cavity can arise from various causes, including trauma, irritation, or underlying health conditions. In your case, the blister's appearance and the accompanying symptoms suggest that it may be related to localized trauma or irritation in the throat area. This could be due to factors such as vigorous coughing, throat clearing, or even a recent upper respiratory infection. The fact that your blood platelet levels are normal is a positive sign, as it indicates that there is no systemic bleeding disorder at play.

The blister you described seems to be changing in size and color, which is typical for such lesions. Blood blisters often start as a raised, fluid-filled sac that can appear red or purple due to the blood within. Over time, they may shrink and change color as the fluid is reabsorbed and the tissue heals. Generally, these types of blisters can take anywhere from a few days to a couple of weeks to resolve completely, depending on their size and the individual’s healing capacity.

As for your concerns regarding the potential impact on your left ear, it is not uncommon for throat issues to cause referred pain in the ear, known as otalgia. This occurs because the nerves that supply the throat and the ear are closely related. However, if the ear pain worsens or if you experience any changes in hearing, it would be prudent to seek further evaluation from an ENT specialist. They can assess whether there is any underlying issue that needs to be addressed.

Given that your symptoms have persisted and evolved over several days, it would be wise to follow up with your healthcare provider. They may recommend additional examinations, such as a throat culture or imaging studies, to rule out any infections or other conditions that could be contributing to your symptoms. If the blister does not improve or if you develop new symptoms, such as fever, difficulty breathing, or significant swelling, you should seek immediate medical attention.

In summary, while blood blisters in the oral cavity can be alarming, they are often benign and self-limiting. Monitoring the blister for changes, maintaining good oral hygiene, and avoiding irritants (such as spicy foods or tobacco) can aid in the healing process. If you have any doubts or if your symptoms worsen, do not hesitate to consult with a healthcare professional for a thorough evaluation and peace of mind.