I do not understand your question, but both medications are used for different treatments and also belong to different drug classes.
1.-Guaifenesin is used in the treatment of cough; fibromyalgia; bronchitis; bronchiectasis and belongs to the drug class expectorants. Risk cannot be ruled out during pregnancy.
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2.-Guanfacine is used in the treatment of adhd; high blood pressure and belongs to the drug class antiadrenergic agents, centrally acting. There is no proven risk in humans during pregnancy.
He obviously isn't getting the results he is supposed to and since guanfacine can be used for high bp, if this is why they needed it, this can be a real problem. Was it dispensed wrong or someone didn't read the label?
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