Table 4: Effect of diazepam, phenylephrine and their combinations on the locomotor activity of rats in the open field test.

Substance

Dose, i.g.

mg/kg

Horizontal activity*

Vertical activity**

Control

(distilled water)

 

15.0±1.9

5.0±0.6

Diazepam

3

10.8±1.5

3.6±0.6

Diazepam

10

2.8±0.62

0.6±0.21

phenylephrine

0.3

18.4±0.2

6.0±0.7

1.0

20.5±0.3

6.6±0.8

Diazepam +

phenylephrine

3

0.3

14.1±0.5

4.5±0.7

Diazepam +

phenylephrine

10

0.3

12.0±0.2

4.0±0.6

Diazepam +

phenylephrine +

lidocaine, 1 ml 1%

10

0.3

3.0±0.62

0.6±0.21

*Total walking time (in seconds.

**Number of stands-up on the hind legs.

1p <0.01 compared with the control.

2