Doctor insights on:
Do Norepinephrine Reuptake Inhibitors Suppress Growth Of Brain
No: At this time, there is no evidence to suggest this. As one may imagine, few if any studies have been performed in humans to look for this. ...Read more
Several: Levodopa, which is used to treat parkinson's, encourages the brain to make dopamine. Tyrosine, an Amino Acid made from phenylalanine, is converted into levodopa, which is in turn converted to dopamine. Wellbutrin (bupropion) & the maoi's can also increase dopamine. Most tca's have minimal affinity for dat and thus don't increase Dopamine levels. Periwinkle and st. John's wort may also increase dopamine. ...Read moreSee 1 more doctor answer
Does dopamite(dopamine supplement) increase more dopamine level or prescribed medicine like biperiden(dopamine reuptake inhibitor) does?
Does exercise increase serotonin by stimulating the uptake of tryptophan by brain synaptosomes(sze py.1976)?
Wellbutrin (bupropion): Wellbutrin (bupropion) acts by enhancing the levels of serotonin, dopamine, and norepinephrine at the site of each neurotransmitter. For this reason, it's an excellent medication choice for depression and executive functioning, such as conditions with attention and concentration impairments. However, due to its actions upon dopamine, it is relatively contraindicated in psychotic conditions. ...Read moreSee 1 more doctor answer
Why does acetylcholine, an inhibitory neurotransmitter, cause the adrenal glands to release stimulatory hormones?
Neurotransmitters: Neurotransmitters are not easily classified into inhibitory and stimulatory. It depends on where they are acting. ...Read more
Meds and motivation: Antipsychotic meds used primarily for serious psychiatric disorders can help motivation as they improve disordered thinking, delusions and hallucinations. People who no longer have psychotic symptoms tend to function better and are more motivated overall. I hope this helps. ...Read more
Not safe: GABA antagonists are not routinely prescribed for GABA A receptor upregulation. The main one flumazenil (clonazepam) is used for overdoses from benzodiazepines in an ER setting. It may cause withdrawal seizures. Your best bet is to detox and enter a drug tx program for alcohol or sedative-hypnotic dependence issues. ...Read more
Does Brintellix in combination with Ritalin (methylphenidate) cause excitotoxicity because AFAIK they both increase glutamate levels in the brain.
Doses: need to be taken into account. At high doses, both medicines can cause behavioral excitement. This shouldn't be a clinical concern, assuming proper management, unless one has bipolar disorder. However, glutamate is not a primary target neurotransmitter. Generally, drug interaction concerns are often best managed by the prescriber, since individual differences in pharmacokinets are significant. ...Read moreSee 1 more doctor answer
Yes: The caffeine in coffee blocks Adenosine receptors, which when activated make you tired and sleepy. This blockade also affects all major neurotransmitters, such as dopamine, acetylcholine, serotonin -- and in high doses, norepinephrine too. Dopamine effects are not in the exact same regions of the brain that other addictive substances affect, though. ...Read moreSee 1 more doctor answer
Still unclear: We know what they do--block reuptake at the neuron. But, why that helps with depression and anxiety, among other disorders, remains unclear. Especially puzzling is why it typically takes weeks or even months to produce the effect, suggesting strongly that it is not the direct effect that causes improvement but some change that induces downstream. ...Read more
Are there any ways to ease the withdrawal illness while coming off of serotonin norepinephrine reuptake inhibitors?
Atomoxetine inhibits serotonin transporter, dopamine transporter and naroephinephrine. What does inhibit mean?
Strattera (atomoxetine): Inhibition is the opposite of stimulation, so the effectiveness is reduced. ...Read more
Ketamine Does..: Conversion of tyrosine to Dopamine is initiated (in part) by tyrosine hydroxylase (th). Long-term abuse of ketamine has been shown to cause "up regulation" and, therefore, increased production of, th as the reason for "delayed but persistent" increase in the neurotransmitter dopamine, a possible reason for "altered mental status" in those who abuse ketamine....Hmmm not sure about flumazenil! ...Read more
Just one type: "selective" in this case refers to the fact that the previous generation of antidepressants, the tricyclics, worked on all 3 of the neurotransmitters in the brain thought to be involved in depression in varying degrees; serotonin, norepinephrine, and dopamine. Prozac, (fluoxetine) and the other ssris act almost entirely on serotonin. ...Read more
I know that GABA inhibits release of dopamine, but what does glutamate do for dopamine? Precisely what would inhibition of NMDA do to dopamine?
St Johns wort: Is a very potent herb and should not be used with other anti-depressants. ...Read more
What p450 enzymes are inhibited/induced by seroquel, (quetiapine) and what does a dopamine/norepinephrine antagonist do? Reduce dopamine levels? Specifics please?
Neither: Seroquel (quetiapine) passes through the cyp450 3a4 pathway & is extensively metabolized, but it neither inhibits nor induces the pathway itself. On the other hand, it's metabolism may be significantly affected by other medications. For instance, Dilantin induces the pathway causing seroquel (quetiapine) to be rushed through the pathway, leading to less-effective, lower blood levels. Antagonists are blockers. ...Read moreSee 1 more doctor answer
Sine seratonin depletes other nerotransmitters like dopamine, norepinephrine, and epinephrine...By "deplete" does it mean a permanent thing?
Not correct: Serotonin does not deplete other neurotransmitters, but there is a balance especially between Dopamine and serotonin. This balance is dynamic and constantly re-establishing itself. Unless there is damage to neurons (which there can be when abusing certain drugs) neurotransmitter changes would not be permanent. ...Read more
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