Constitutional symptoms can also be caused by fungal infections, including Cryptococcus neoformans, Histoplasma capsulatum, and Coccidioides immitis.     Cryptococcus neoformans usually causes pneumonia, then spreads to other areas of the body. It spreads most commonly to the meninges, where it causes meningitis It can also cause only constitutional symptoms.     Histoplasma capsulatum is found primarily [...]