However, just because a person has a numb mouth does not mean they automatically have cancer.
Toothpaste manufacturer Colgate lists a number of reasons for numb mouth including hypocalcaemia, vitamin deficiencies, hypoglycaemia, multiple sclerosis, psychological conditions and nerve-related paresthesia.
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Other potential conditions include:
• Allergic reaction
• Seizures
• Burning mouth syndrome.
Oral cancer is listed with Colgate writing: “This type of cancer is often related to the use of alcohol or tobacco or infection with the HPV virus.”
Source: Daily Express