Common use involves rinsing the mouth with about 20-50 ml (2/3 fl oz) of<unk> . The wash is typically swished or gargled for about half a minute and then spat out. Most companies suggest not drinking water immediately after using<unk> . In some brands, the expectorate is stained, so that one can see the bacteria and debris.<unk>  should not be used immediately after brushing the teeth so as not to wash away the beneficial fluoride residue left from the toothpaste. Similarly, the mouth should not be rinsed out with water after brushing. Patients were told to "spit don't rinse" after toothbrushing as part of a National Health Service campaign in the UK. A fluoride mouthrinse can be used at a different time of the day to brushing. Gargling is where the head is tilted back, allowing the<unk>  to sit in the back of the mouth while exhaling, causing the liquid to bubble. Gargling is practiced in Japan for perceived prevention of viral infection. One commonly used way is with infusions or tea. In some cultures, gargling is usually done in private, typically in a bathroom at a sink so the liquid can be rinsed away.
Mouthwash
Throat lozenge
Tao brush
Flying ointment
Caphosol
Nasal spray
Aqueous cream
Topical tobacco paste