Laryngitis medication has no effect at all, it may be too short a time to take medication, or the amount of medication is not enough, the drug is not symptomatic. 1. too short of time: laryngitis medication usually need 2 to 3 days to see the obvious effect, if the patient is too short of time, such as only eaten once or twice, may not be obvious, so feel laryngitis medication is not effective at all. 2. Insufficient medication: laryngitis medication has no effect at all, may be because of insufficient medication, the patient should be under the guidance of the doctor on time and according to the amount of medication, if the amount of medication is insufficient or do not take the medication on time, it will also lead to the effect of deterioration. 3. Drugs are not symptomatic: laryngitis medication has no effect at all, may be because the drug is not symptomatic, laryngitis causes mainly include microbial infections, allergies, gastroesophageal reflux stimulation, etc., when the patient ate the drug is not symptomatic, it will feel no effect at all. Laryngitis, do not self-medication, should go to a regular hospital, a clear diagnosis, to determine the type of disease, under the guidance of the doctor standardized medication and treatment.