I have red dots on my uvula and it hurts to swallow but only on the left sude?

Ulcers?: It might be ulcers Could you please send a photo of the don't's if you can for better assessment?

Canker sores: Treatment usually isn't necessary for minor canker sores, which tend to clear on their own in a week or two. Over-the-counter pastes, creams, gels or liquids may help relieve pain and speed healing. Lignocaine gel, Orabase paste, Antiseptic mouth rinses containing hydrogen peroxide. Large, persistent or unusually painful sores with fevers need medical care and prescribed meds containing steroids

Infection suspected: This may be infection like virus or yeast Your physician can clarify the diagnosis