capsules (Ranitidine and Roxithromycin pair in the highest frequency) (Table 5), 944 were injections (Diazepam injection and Furosemide injection pair in the
highest frequency) (Table 6), 307 were liquid dosage forms (Alum milk and Milk of magnesia pair in the highest frequency) (Table 7), 367 were external drugs (0.02% Triamcinolone cream and 0.1% Triamcinolone cream pair in the highest frequency) (Table 8) and 14 pairs were