The symptoms a person might experience during a drug overdose can vary dramatically, depending on the drugs the person has taken. People who overdose on stimulant drugs, for example, might experience symptoms quite similar to a heart attack, including a racing pulse, chest pain and a feeling of impending death.hile symptoms can vary, there are symptoms that are commonly associated with overdoses, and anyone experiencing a cluster of symptoms within this list needs medical attention: 1  Convulsions. 2  Agitation. 3  Slow or difficult breathing. 4  Vomiting. 5  Pupils that donât react in response to light. 6  Sweating or dry skin.
Glutamate is a neurotransmitter in the brain. Glutamate is a type of neurotransmitter, which is a brain chemical that either excites or inhibits the function of neurons. Neurotransmitters have an especially strong impact on mood, behavior and the perception of sensations such as pain.High levels of glutamate in the brain are linked to increased sensations of pain and chronic pain syndromes such as fibromyalgia.Reducing glutamate levels helps to reduce the perception of pain.eurotransmitters have an especially strong impact on mood, behavior and the perception of sensations such as pain. High levels of glutamate in the brain are linked to increased sensations of pain and chronic pain syndromes such as fibromyalgia. Reducing glutamate levels helps to reduce the perception of pain.
Too much glutamate can lead to too much acetylcholine, and too much acetylcholine has a stimulating effect as well and puts one into a perpetual state of sympathetic stress with high levels of anxiety, fear, insomnia, restlessness, nervousness etc.