The following table denotes the symbols available using this technique. These symbols are generally not found on keyboards, but they are viewable in most word processors and Web browsers. An extended set of symbols is viewable in more advanced Web browsers.
The ideal poison for committing a homicide must be: odorless, tasteless, difficult to detect and mimic the symptoms of naturally occurring diseases, finds Anil Aggrawal, professor of Forensic Medicine at the Maulana Azad Medical College in New Delhi, India.
Red spots on tongue: may be inflammed taste buds. Doubt infection since they are painless and no other symptoms. You may have also accidentally burned them with hot coffee or tea. Salt water gargles - 1/4 teaspoon of salt in 4 oz warm water - gargle and spit out might help.