Oligospermia caused by aEUR'
Methotrexate
Hydroxychloroquine
Leflunomide
D-peniollamine
Methotrexate "Transient but reversible oligospermia has been repoed in males receiving high dose methotrexate for cancer chemotherapy". Defective oogenesis or spermatogenesis "Occurs in methotrexate therapy"