Hello, Thanks for your query. These are bumps caused by inflammation of the mucous membranes in the mouth. Inflammation causes bumps or lines to develop inside the cheeks or sides of the tongue, which may be triggered by liver disease, allergies and certain vaccines and medications. Remedies. It may resolve without treatment but you must call a doctor if the bumps persist or if you experience pain. Treatments include retinoids and corticosteroids to reduce inflammation. I do hope that you have found something helpful and I will be glad to answer any further query. Take care