Tongue bumps causesAccording to Dr. Sachar and , practice owner and dentist at Aspen Dental in Las Vegas, common causes of bumps can be broken down into normal, harmless symptoms and those that warrant further investigation. F ungal infections , especially in immunocompromised people or those who wear dentures, can also cause tongue bumps. , especially in immunocompromised people or those who wear dentures, can also cause tongue bumps. Both Dr. Sachar and Dr. White recommend trying an at-home warm saltwater rinse or topical oral gels like benzocaine ( ) to reduce irritation during healing. At base level, tongue bumps should be easily addressed with at-home care.