Cold sores on the roof of your mouth may hurt at other times of the day as well, however the pain can increase when you eat.

Viral or bacterial infections like a streptococcal sore throat, tonsillitis, sinusitis, common cold and other types of infections can cause the roof of your mouth to hurt. Hormonal states such as puberty, menstruation, and pregnancy can also be the reason why the roof of your mouth hurts. If you are experiencing pain or soreness on the roof of your mouth, this could be due to inflammation from infection or an allergic reaction. Cold sores, otherwise known as fever blisters, may be the cause of your pain. Why does the roof of my mouth hurt? If the pain has already begun, alcohol could make it worse. Pain due to burning mouth syndrome can vary from person to person. Sometimes you feel pain or burning on the roof of your mouth which should not be considered as an uncommon occurrence.

5. Scratching the hard palate may lead to swelling and inflammation. It happens because the mouth is the most sensitive part of our body and it comes in contact with a lot of different types of foreign substances that cause adverse reactions. Eating hard foods, such as tortilla chips, hard candies, and firm fruits and vegetables, can hurt the roof of your mouth. Pain can also occur from irritants like smoking, dental trauma, or eating certain foods. This condition typically affects the tongue, although other areas of the mouth such as the roof can also be impacted. The pain may be due to the sinus pressure pushing on the roof of your mouth, or bacteria growth irritating your flesh. Alcohol can dry out your mouth, leading to the pain in the roof of your mouth, especially with excessive drinking. This is caused by the changes in the levels of the hormones leading to increased blood flow to the mouth tissues causing them to be swollen and sensitive.