Chemotherapy Mouth Care: Simple Steps to Protect Your Smile

Going through chemo can feel like a roller‑coaster, and the mouth is often the first place it shows up. Mouth sores, dry gums, and a funky taste are common, but you don’t have to just endure them. With a few everyday habits you can keep your mouth feeling better and reduce treatment interruptions.

Why Chemo Targets Your Mouth

Chemo attacks fast‑growing cells. Unfortunately, those include the cells lining your cheeks, tongue, and throat. When those cells get damaged, you end up with mucositis (the medical term for painful mouth sores) or a dry, burning feeling. The good news is that most of the damage is reversible if you give your mouth the right support.

Everyday Oral‑Care Routine

1. Brush gently, twice a day. Use a soft‑bristled toothbrush and a fluoride toothpaste. Avoid hard scrubbing – it can aggravate raw tissue.

2. Floss carefully. If floss feels rough, swap to a floss threader or a water flosser. The goal is to keep food particles away without pulling on sore spots.

3. Rinse with a mild solution. Mix one teaspoon of baking soda in a cup of warm water and swish for 30 seconds after meals. This neutralizes acids and helps the mouth heal faster.

4. Stay hydrated. Sip plain water, broth, or diluted juice throughout the day. Dehydration makes the lining even more vulnerable.

5. Choose soft, bland foods. Yogurt, applesauce, oatmeal, and scrambled eggs slide over sores without extra friction. Avoid spicy, salty, or crunchy items while you’re healing.

Extra Boosts for Tough Days

If mouth pain keeps you from eating, try an over‑the‑counter oral pain gel (like Orajel) or a prescription mouth rinse your doctor may give you. Some people find relief with honey or aloe‑vera gel applied directly to the sore—just make sure it’s pure and you’re not allergic.

Chemo can also shrink saliva production, leading to dry mouth. Chewing sugar‑free gum or sucking on a lozenge stimulates flow. Look for products with xylitol; they’re safe for most people and help reduce cavity risk.

When to Call the Dentist or Oncologist

If a sore won’t start healing after a week, or if you notice white patches, fever, or trouble swallowing, reach out right away. Early treatment with antifungal meds or antibiotics can keep a small problem from turning into a bigger infection.

Many cancer centers have dental clinics built into the team. Getting a pre‑chemo dental check‑up can spot hidden issues before treatment begins, saving you pain later.

Quick Checklist Before Your Next Chemo Session

  • Brush and floss gently before treatment.
  • Stock up on soft foods and a mild mouth rinse.
  • Carry a water bottle and sugar‑free gum.
  • Keep a pain‑relief gel handy.
  • Know the phone number of your oncology dental liaison.

Chemo can be tough on the mouth, but a straightforward care plan can make a huge difference. Stick to these habits, listen to your body, and keep the communication line open with your medical team. Your mouth will thank you, and you’ll stay on track with your cancer treatment.