Why do I have pain on the back right side of my tongue?

Hello,

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You may have tonsillitis or so if you have an ulcer-like lesion on your tongue. Please attach a picture if possible. I suggest you take a painkiller for relief. Is the pain continuous or intermittent or comes only when you take food? Use warm salt water gargle twice a day for a week. You should see a dentist or an ENT surgeon as soon as possible. I can suggest better if I can see a picture of the area having pain. Touch the area and press there on the tongue. Is the area hard or swollen? Please describe.

Hello,

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I have seen the image (attachment removed to protect patient identity). Yes, you can continue Amoxicillin for a week. Consult your specialist doctor, discuss with him or her and start taking the medicines with their consent. Most probably, it is an ulcerous lesion which has got infected and will go away in a week or so. If the swollen area increases in size during daily examination then go to an ENT. Else, just wait it out with the antibiotic and a painkiller if required. Usually, such lesions take a week or two for full remission.