• It is useful in diphtheria with submaxillary glands enlarged and painful. Worse on left tonsil. It usually helps in aborting peritonsillitis if given frequently. 
• Mercurius Iodatus Ruber also helps in cough from an elongated uvula with sore throat. Phlegm in nose and throat. There is a disposition to hawk with a sensation if lump in throat. Stiffness of muscles of throat and neck. 
• It is also helpful in laryngeal diseases with loss of speech.
• Mercurius Iodatus Ruber is also indicated in apthous ulcers of mouth. 
• Gums and glands swollen, with scalded feeling on tongue. There is profuse salivation. Tongue is stiff at base and painful on moving. 
• Mercurius Iodatus Ruber is also useful in toothache.

Take 5 drops in half cup of water three times a day.

You can also medicate the globules and take 3 times a day or as prescribed by the physician.