antiviral drug
A substance used in the prophylaxis or therapy of virus diseases.
dopaminergic agent
A drug used for its effects on dopamine receptors, on the life cycle of dopamine, or on the survival of dopaminergic neurons.
analgesic
An agent capable of relieving pain without the loss of consciousness or without producing anaesthesia. In addition, analgesic is a role played by a compound which is exhibited by a capability to cause a reduction of pain symptoms.
non-narcotic analgesic
A drug that has principally analgesic, antipyretic and anti-inflammatory actions. Non-narcotic analgesics do not bind to opioid receptors.
NMDA receptor antagonist
Any substance that inhibits the action of N-methyl-D-aspartate (NMDA) receptors. They tend to induce a state known as dissociative anesthesia, marked by catalepsy, amnesia, and analgesia, while side effects can include hallucinations, nightmares, and confusion. Due to their psychotomimetic effects, many NMDA receptor antagonists are used as recreational drugs.
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