However, like all drugs they have side effects. Pilocarpine can cause sweats and nausea and vomiting. Nicotinic acid can cause dizziness, headaches and sometimes palpitations. Artificial saliva products can also be helpful. As their effect may last only for a short time, it is best to use them just before meals and at night to prevent dryness disturbing your sleep.
Several brands are available and they come in the form of a gel, spray, pastille or lozenge.
You may find it helpful to try more than one form of artificial saliva and brand to find out which one suits you best. How you can help yourself As saliva helps to keep your mouth clean it is important to brush your teeth with a soft toothbrush after each meal, and use mouthwashes regularly. However, mouthwashes containing detergents or alcohol should be avoided as they can dry and irritate the lining of the mouth. Your doctor or nurse will be able to advise you of the best mouthwash to use. It is also a good idea to have dental check ups regularly as the risk of developing tooth decay is far greater due to the lack of saliva.