<unk>  is a subclass of the DSM-5 diagnosis of substance/medication-induced<unk><unk> . Consumption of<unk>  has long been linked to<unk> . The effects of<unk>  and the symptoms of<unk>  both increase activity within the sympathetic nervous system.<unk>  has been linked to the aggravation and maintenance of<unk><unk> s, and the initiation of panic or<unk>  attacks in those who are already predisposed to such phenomena.<unk>  usage surpassing 200 mg has been shown to increase the likelihood for<unk>  and panic attacks in a population. Excessive amounts of<unk>  can result in symptoms from general<unk>  to obsessive-compulsive and phobic symptoms.
Caffeine-induced anxiety disorder
Cannabinoid hyperemesis syndrome
Clinical endocannabinoid deficiency syndrome
Masked depression
Functional somatic syndrome
Benzodiazepine withdrawal syndrome
Benzodiazepine dependence
Nicotine withdrawal