It's better not to withdraw from coffee cold turkey: your body can even react with hearing problems. Abrupt withdrawal can put immense strain on the body.
There are many reasons not to go cold turkey. Up to five kilos of weight loss per week should be possible - with intermittent fasting. The German Association of Ear, Nose and Throat Doctors quotes British researchers who say that acute withdrawal symptoms would put even greater strain on those suffering from tinnitus. This article only contains general information on the respective health topic and is not intended for self-diagnosis, treatment or medication.