If possible, have your cocaine chemically analysed.
Refrain from mixed consumption, as unknown and unpleasant interactions may occur.
Like all local anaesthetics, lidocaine can produce the typical side effects; these include effects in the central nervous system (such as restlessness, seizures, etc.), the heart (arrhythmia), drop in blood pressure and allergic reactions.
Take regular breaks from cocaine use. Also to minimise the risks of lidocaine.
