Volcanoes, Magma, and Volcanic Eruptions. Since volcanic eruptions are caused by magma (a mixture of liquid rock, crystals, and dissolved gas) expelled onto the Earth's surface, we must first discuss the characteristics of magma and how magmas form in the Earth. Characteristics of Magma. Types of Magma. Types of magma are determined by chemical composition of the magma.
Benzodiazepines. Anti-anxiety drugs known as benzodiazepines inhibit nerve-cell excitability in the brain and are considered to be the treatment of choice. They relieve withdrawal symptoms, help prevent progression to delirium tremens, and reduce the risk for seizures.hen used by themselves, however, they do not appear to reduce seizures or delirium associated with withdrawal. Other Supportive Drugs. Beta blockers, such as propranolol (Inderal) and atenolol (Tenormin), are sometimes used in combination with benzodiazepines.
The Benzedrine brand is no longer marketed; however, racemic (50:50) amphetamine sulfate is still prescribed under other brand names (e.g., Evekeo) and as their generic equivalents. Adderall is an amphetamine pharmaceutical that contains 25% levoamphetamine salts and 75% dextroamphetamine salts. Evekeo is an amphetamine medication FDA approved as therapeutic equivalent, (for ADHD & Exogenous obesity) that contains 50% levoamphetamine salts and 50% dextroamphetamine salts. L-Amphetamine succinate was sold in Hungary between 1952 and 1955 under the brand name Cydril.