Painful bumps on the edge of the tongue may be caused by papillitis, oral ulcers, tongue cancer, white papulosquamous lesions and so on.
1. papillitis: infection by pathogenic bacteria may cause inflammatory reaction in the papilla of the tongue, leading to the symptom of painful bumps on the edge of the tongue.
2. Oral ulcers: the cause of the disease is still not completely clear, and genetic factors, low immune function, mucosal damage, etc., will lead to oral mucosal ulcers, which may also lead to the symptom of painful bumps on the edge of the tongue.
3. Tongue cancer: it belongs to malignant tumor lesions, which can also lead to symptoms such as painful lumps on the edge of tongue.
4. White papular lesions: abnormal keratinization and hyperplasia of the mucous membrane of the tongue can lead to localized pimples or plaques, thus causing painful bumps on the edge of the tongue.
There may be other reasons for the painful bumps on the edge of the tongue, and you need to go to the hospital first to get a clear picture of the cause.