From medical literature I have added several hundred drugs and their likely impact on the microbiome. A common problem with CFS patients is that they are only aware of some trademark name and not the standard scientific name.
I have started (it’s a long process) adding the common or trademark names to various drugs — for example Antivirals:

Now becomes

This process will likely take a few weeks to complete.
Antivirals and CFS
I have posted about this in the past ,”Valganciclovir antiviral and CFS[2016]” and “Valacyclovir, EBV and CFS [2016]”.
I decided to look at the microbiome shifts seen with the valacyclovir hydrochloride antiviral, And was quite surprise to see a high number of bacteria taxonomy are reduced — which may account for the success reported in the above post “All patients were treated subsequently with valacyclovir, with 93% having a positive response” [2014]. The other antiviral, Valcyte or Valganciclovir, is not in my sources.
So, the question must be asked — was it’s antiviral nature OR microbiome modification nature that causes the reported improvement?
| Taxonomy | Rank | Effect |
| Bacteroidaceae | family | Decreases |
| Bifidobacteriaceae | family | Decreases |
| Clostridiaceae | family | Decreases |
| Coriobacteriaceae | family | Decreases |
| Desulfovibrionaceae | family | Decreases |
| Enterobacteriaceae | family | Decreases |
| Eubacteriaceae | family | Decreases |
| Fusobacteriaceae | family | Decreases |
| Lachnospiraceae | family | Decreases |
| Peptostreptococcaceae | family | Decreases |
| Porphyromonadaceae | family | Decreases |
| Prevotellaceae | family | Decreases |
| Ruminococcaceae | family | Decreases |
| Streptococcaceae | family | Decreases |
| Veillonellaceae | family | Decreases |
| Verrucomicrobiaceae | family | Decreases |
| Akkermansia | genus | Decreases |
| Bacteroides | genus | Decreases |
| Bifidobacterium | genus | Decreases |
| Bilophila | genus | Decreases |
| Blautia | genus | Decreases |
| Clostridium | genus | Decreases |
| Collinsella | genus | Decreases |
| Coprococcus | genus | Decreases |
| Dorea | genus | Decreases |
| Eggerthella | genus | Decreases |
| Escherichia | genus | Decreases |
| Eubacterium | genus | Decreases |
| Fusobacterium | genus | Decreases |
| Odoribacter | genus | Decreases |
| Parabacteroides | genus | Decreases |
| Peptoclostridium | genus | Decreases |
| Prevotella | genus | Decreases |
| Roseburia | genus | Decreases |
| Ruminococcus | genus | Decreases |
| Streptococcus | genus | Decreases |
| Veillonella | genus | Decreases |
| Akkermansia muciniphila | species | Decreases |
| Bacteroides caccae | species | Decreases |
| Bacteroides fragilis | species | Decreases |
| Bacteroides ovatus | species | Decreases |
| Bacteroides thetaiotaomicron | species | Decreases |
| Bacteroides uniformis | species | Decreases |
| Bacteroides vulgatus | species | Decreases |
| Bacteroides xylanisolvens | species | Decreases |
| Bifidobacterium adolescentis | species | Decreases |
| Bifidobacterium longum | species | Decreases |
| Bilophila wadsworthia | species | Decreases |
| Clostridium perfringens | species | Decreases |
| Collinsella aerofaciens | species | Decreases |
| Dorea formicigenerans | species | Decreases |
| Eggerthella lenta | species | Decreases |
| Escherichia coli | species | Decreases |
| Fusobacterium nucleatum | species | Decreases |
| Lactobacillus paracasei | species | Decreases |
| Odoribacter splanchnicus | species | Decreases |
| Parabacteroides distasonis | species | Decreases |
| Parabacteroides merdae | species | Decreases |
| Peptoclostridium difficile | species | Decreases |
| Roseburia hominis | species | Decreases |
| Roseburia intestinalis | species | Decreases |
| Streptococcus parasanguinis | species | Decreases |
| Streptococcus salivarius | species | Decreases |
| Veillonella parvula | species | Decreases |
| Lactobacillus casei group | species_group | Decreases |