Today is Thursday, November 20, 2008



 
And you thought you were done with pimples

Mouth Sores (mucositis) are a common side effect of radiation and chemotherapy. Mouth sores may range from mild to severe and may cause discomfort. Medication can be prescribed to alleviate any pain related to mouth sores. A mouth care regimen is important. 

A burning sensation inside the mouth three to 10 days after chemo begins may signal the beginning of mouth sores. There's no cure but you can take steps to lessen the discomfort while the the sores run their course. It usually takes the cells inside the mouth 7 to 14 days to regenerate and heal the sores.

Prevention

A regimen of mouth hygiene should start before the chemo. Brush your teeth 3 to 4 times a day with a soft bristle toothbrush or sponge. Use floss. 

Patients receiving 5-FU or methotrexate are at particularly high risk of developing mouth sores. Frequent rinsing with salt water, baking soda, or chlorhexidine following the start of chemotherapy is often recommended. 

Helpful Hints for managing mouth ulcers - You may want to talk to your doctor about the products mentioned below.

Once sores have developed, topical analgesics can be prescribed and you can take steps to lessen your discomfort.  A topical painkiller like Xylocaine (gel or spray) can provide temporary relief. Protective agents such as kaopectate and sucralfate can be used to cover the sores and provide some relief. 

Don't eat spicy, hot, acidic or coarse foods. Stick with soft, moist foods for the time being. 

Stay away from topical steroid, which can increase your risk of infections. 

Drug name  Usual dose  Side Effects 
Saline mouthwash swish and swallow every 2 to 6 hours  None
Baking soda mouthwash 1/2 tsp. salt plus 1/2 tsp. baking soda in a cup of warm water, rinse every 3 or 4 hours  None
Chlorhexidine (Peridex) Rinse every 4 hours Taste, color, teeth staining 
Betadine mouthwash  Diluted with water 50-50 10 cc 3 times a day and as needed applied locally or swish  Iodine allergy, color, teeth staining
Xylocaine (Lidocaine) GEL: 5 to 15 mL every 4 hours SPRAY: 1 spray every 4 hours Possible systemic effect
Sucralfate or kaopectate 10 to 30 mL every 2 to 6 hours, swish and spit Taste

Dealing with Infections

Damage to the mucous membrane can lead to opportunistic infections in the mouth such as candida and herpes simplex virus infections. Thursh is a fungal infection that is treatable with anti-fungal agents such as clotrimazole or nystatin.  When infection is more severe, oral ketoconazole, fluconazole, or intravenous amphotericin may be used.

Drug Name

Usual dose Side effects
Clotrimazole troches (Mycelex) Place troche in mouth 4 to 5 times a day, for 7 to 14 days Well tolerated, taste
Nystatin suspension 1 teaspoonful every 4 to 6 hours, swish and swallow Well tolerated, irritation
Fluconazole (Diflucan) 100mg every day Nausea, vomiting, itching
Amphotericin B Intravenous dose varies Headache, fever, chills.
Amphotericin B mouthwash 10mg swish and swallow every day Taste

SOURCE: 

From Supportive Cancer Care by Ernest H. Rosenbaum, MD & Isadora R. Rosenbaum, MA

This page was last edited on 7/23/2008
Written by: Rachael Myers Lowe, cancerpage.com
Clinical review by: Jan Smith, RN, OCN


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