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Dichloromethane (DCM, methylene chloride, or methylene bichloride) is an organochlorine compound with the formula C H 2 Cl 2. This colorless, volatile liquid with a chloroform -like, sweet odor is widely used as a solvent .
The initial symptoms of methanol intoxication include central nervous system depression, headache, dizziness, nausea, lack of coordination, and confusion. Sufficiently large doses cause unconsciousness and death. The initial symptoms of methanol exposure are usually less severe than the symptoms from the ingestion of a similar quantity of ...
For example, people with panic disorders tend to monitor themselves for symptoms of anxiety and respond to these symptoms with avoidant behaviors. [10] This over analysis of physical sensations results in detection of symptoms that may not lead to panic attacks but are perceived as panic-inducing symptoms.
On the other hand, other medications that increase dopamine levels have also been found to improve anxiety. [42] Many physical symptoms of anxiety, such as rapid heart rate and hand tremors, are regulated by norepinephrine. Drugs that counteract norepinephrine's effect may be effective in reducing the physical symptoms of a panic attack. [42]
Symptoms of anxiety can range in number, intensity, and frequency, depending on the person. However, most people do not suffer from chronic anxiety. [24] Anxiety can induce several psychological pains (e.g. depression) or mental disorders, and may lead to self-harm or suicide. [25] [26]
Meprobamate—marketed as Miltown by Wallace Laboratories and Equanil by Wyeth, among others—is a carbamate derivative used as an anxiolytic drug. It was the best-selling minor tranquilizer for a time, but has largely been replaced by the benzodiazepines due to their wider therapeutic index (lower risk of toxicity at therapeutically prescribed doses) and lower incidence of serious side effects.
Although anxiety can temporarily increase as a withdrawal symptom, there is evidence that a reduction or withdrawal from benzodiazepines can lead to a reduction of anxiety symptoms in the long run. [4] [5] Due to these increasing physical and mental symptoms from long-term use of benzodiazepines, slow withdrawal is recommended for long-term users.
When ingested, chloroform causes symptoms similar to those seen after inhalation. Serious illness has followed ingestion of 7.5 g (0.26 oz). The mean lethal oral dose in an adult is estimated at 45 g (1.6 oz). [37] The anesthetic use of chloroform has been discontinued, because it caused deaths from respiratory failure and cardiac arrhythmias.