| Comment | Probably [cotton fever](https://www.addictioncampuses.com/blog/cotton-fever-from-iv-drug-use/)
Suspect to be caused by contamination in the filter used to draw the heroin through;
> Certain Gram-negative bacteria live on the cotton plant. These bacteria produce an endotoxin which is carried through to drug and subsequently to the patient, causing fever. Blood cultures do support this theory, as certain bacteria have been found in the used cotton which was linked to the illness. |
|---|