Methylxanthines such as theophylline can cause an upregulation of liver enzyme expression because of the drug's metabolism. As a result, the _______________ of other drugs such as barbiturates may be affected.

Question

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Methylxanthines like theophylline can induce the expression of liver enzymes, which are involved in drug metabolism. This can lead to increased metabolism of other drugs, such as barbiturates, potentially reducing their effectiveness.

Methylxanthines Such as Theophylline Can Cause an Upregulation of Liver