Dipyridamole influence on the count of mononuclear cells (lymphocytes + monocytes) in BALF. Rats in Group A received distilled water as a control for a period of 14 days. Group B: rats treated solely with airway ova sensitization served as a positive control group. Group C: oral dipyridamole (26.4 mg / kg / d) in conjunction with airway sensitization by ova. Group D: received oral prednisolone (4.12 mg/kg/d) along with airway ova sensitization.