What should I do if I have a canker sores for a month and my medicine has no effect?

Canker sores that have been bad for a month may be caused by the wrong symptoms of the drug, insufficient dosage and other reasons. Patients are advised to seek medical attention in a timely manner and change or increase the dose of medication under the guidance of a doctor.

1. Reasons

1. Wrong medication: If the drug used is not symptomatic, it will not be able to play a therapeutic role, so the condition will not be relieved. It is recommended to use watermelon cream spray, ice boron powder and other drugs for treatment according to the doctor's instructions.

2. Insufficient dosage: If you do not take the medicine according to the doctor's instructions, reduce the dosage or stop the drug without permission, it will lead to the prolongation of the disease. You need to follow your doctor's instructions to take your medications on time and in the right amount.

2. Treatment

1. Change the drug: If it is caused by the wrong drug, you can change other drugs for treatment under the guidance of the doctor, such as compound chlorhexidine gargle, rehabilitation new solution, etc.

2. Increase the dose of the drug: If it is caused by insufficient dose, you can increase the dose of the drug appropriately, and also pay attention to the light diet, do not eat spicy and irritating food, so as not to affect the recovery of the disease.

In addition to this, it may also be related to pathogen infection, and patients are advised to go to the hospital in time. In daily life, we should pay attention to maintaining good living habits, avoid staying up late and overwork, and ensure sufficient sleep time.