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Cough suppression
Cough suppression can be described as a decreased desire and need to cough. This is typically regarded as a positive effect which helps alleviate a pre-existing ailment. In certain contexts, it can also allow an individual to inhale much larger amounts of smoke than they would usually be able to, without accompanying pain or the desire to cough.
Cough suppression is most commonly induced under the influence of moderate dosages of antitussive compounds such as, codeine, pholcodine, dextromethorphan, noscapine, and butamirate. However, it may also occur under the influence of certain antihistamines such as promethazine.
Psychoactive substances
Compounds within our psychoactive substance index which may cause this effect include: