TABLE 418-5 -NUCLEOSIDE COMBINATIONS THAT ARE GENERALLY NOT RECOMMENDED
| REGIMEN | REASON FOR NOT USING |
| Stavudine plus zidovudine | Antagonistic intracellular phosphorylation |
| Zalcitabine plus didanosine | Overlapping toxicity (neuropathy) |
| Zalcitabine plus stavudine | Overlapping toxicity (neuropathy) |
| Zalcitabine plus lamivudine | Little data; potential for cross-resistance |