Does canker sores cause fever?

Usually, simple canker sores don't cause a fever. But if you have a massive breakout or an underlying viral infection, a mild fever can definitely happen. If you have a busy schedule like me, don't ignore it; get a quick doctor's consult online, use an antiseptic mouth gel, and stay hydrated.

Usually, a basic canker sore shouldn't cause fever. If you have both, it might be a viral throat infection instead, so don't run to get expensive blood tests done immediately. Just visit a local clinic first; a simple checkup fee is very low, and they can prescribe a cheap mouth gel and paracetamol to handle both issues.

If the sores are very severe, a mild fever can occur as the body is fighting the inflammation. I always apply a little honey or a paste of turmeric and water on the ulcer for quick relief, and do warm salt water rinses three times a day. It really helps soothe the pain, but do see a doctor if the fever persists.

I know how scary it feels when you suddenly get a fever along with mouth sores; I instantly started googling terrible diseases when it happened to me. But my doctor explained it is just a common body response to severe inflammation or a minor virus. Try to relax, take some rest, and let a doctor examine it to reassure you.

A severe crop of mouth ulcers can sometimes come with a mild fever, especially if your body's immunity is very low. Try drinking fresh coconut water and eating bland, cooling curd rice to soothe your stomach. However, if the fever is high or you can't swallow anything, you must see a doctor immediately.