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One must keep in mind the dense distribution of capillaries situated underneath the tongue - such dense blood-flow facilitates rapid absorption of most compounds into the blood. This would expedite the compounds' pathway to the brain. Another factor that sublingual benzodiazepine dosing attenuates is the pH environment in the stomach. While the mouth is still slightly acidic, it certainly isn't near the level of the stomach (given the presence of highly acidic stomach acids). This will cause less of the drug to be ionized, and rendered biologically inactive. Therefore, ingesting basic substances like benzodiazepines buccally is a nice alternative because it presents a pH closer to the benzodiazepine's typical pKa/pKb. I do, however, agree that much of the total amount of benzodiazepine ingested actually makes its way down to the stomach for absorption. You're right - it's natural for humans to swallow excess saliva, consciously and unconsciously. I think, however, it's the activity of those initially buccally absorbed compounds that makes the recreational difference here; generally recreational users value a distinct and rapid onset followed by as gradual a decline as possible. Buccal absorption provides a mechanism that may allow for approximation of this. Above are the primary advantages of sublingual ingestion - the real magnitude of the benefits regarding any specific benzodiazepine will depend largely on its pKa (the most widely available characteristic of most compounds). Once found, there are many drug-ionization calculators available online to calculate what percentage of a drug will be ionized in the pH environment found in different parts of the body. I believe the pKa of alprazolam is somewhere around 2.5. A little short googlin' should do the trick.
Quant au Myolastan : il se présente sous une forme galénique différente des autres BZD.
Les comprimés de Myolastan sont pelliculés à la différence du Valium par exemple.
Je pense donc que la meilleure voie d'administration reste la voie orale pour le Myolastan.
J'encourage les membres à témoigner de leur expérience afin de répondre plus précisément.
TomA
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BoilingBlood a écrit
C'est exactement pour ça que je posais la question : dans mes recherches, j'ai vu que le myolastan est pelliculé mais j'avais pas l'impression que le tetrazepam le soit!
Les formes galéniques du Myolastan et de ses génériques sont TOUTES soit "pelliculé" soit "enrobé" (cf VIDAL)
MYOLASTAN 50 mg cp pellic séc
PANOS 50 mg cp pellic séc
TETRAZEPAM ALMUS 50 mg cp pellic séc
TETRAZEPAM ARROW 50 mg cp pellic séc
TETRAZEPAM BIOGARAN 50 mg cp pellic séc
TETRAZEPAM CRISTERS 50 mg cp pellic séc
TETRAZEPAM EG 50 mg cp pellic séc
TETRAZEPAM MYLAN 50 mg cp pellic séc
TETRAZEPAM QUALIMED 50 mg cp pellic séc
TETRAZEPAM RATIOPHARM 50 mg cp enr séc
TETRAZEPAM RPG 50 mg cp pellic séc
TETRAZEPAM SANDOZ 50 mg cp pellic séc
TETRAZEPAM TEVA 50 mg cp pellic séc
TETRAZEPAM ZENTIVA 50 mg cp pellic séc
TETRAZEPAM ZYDUS 50 mg cp enr séc
Amicalement
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