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. 2013 Jun 5;2013(6):CD009243. doi: 10.1002/14651858.CD009243.pub3

2. Maternal adverse events.

Study Tachycardia Mouth dryness Nausea Vomiting Dizziness Cervical laceration Giddiness Blood loss Flushing of face Headache
Ajmera 2006
(Drotaverine hydrochloride)
2.7% 0 0 0 0 1.3% 1.3% Not reported 0 4%
Ajmera 2006
(Valethamtate bromide)
14.6% 2.7% 0 0 0 0 0 Not reported 5.3% 2.7%
Ajmera 2006
(Placebo)
5.3% 1.3% 0 0 0 4% 4% Not reported 0 2.7%
Al Matari 2007 Did not report on maternal adverse events
Al Qahtani 2011
(Hyoscine butyl bromide)
PPH¹: 0/52; Tear: 2/50
Al Qahtani 2011
(Placebo)
PPH: 0/45; Tear: 0/45
Azari 2010 Did not report on maternal adverse events
Batukan 2006 Women receiving Valethamate bromide experienced more dizziness and mouth dryness than women receiving placebo
Cromi 2011
(Rociverine)
No maternal side effects reported 300 mL (100‐1400)  
Cromi 2011
(Placebo)
No maternal side effects reported 350 mL (50‐2000)  
Dahal 2013 Dryness of mouth, vomiting, tachycardia and retention of urine were more pronounced in the valethamate bromide group than in the drotaverine hydrochloride and control groups
Gupta 2008
(Drotaverine hydrochloride)
20% of participants experienced adverse events, the main ones being nausea and vomiting
Gupta 2008
(Hyoscine butyl bromide)
10% 0 Main complaint Main complaint 24% of participants experienced adverse effects
Gupta 2008
(Placebo)
No reported maternal adverse events
Khosla 2003
(Valethamate bromide)
16% 4% Not reported 4% Not reported
Khosla 2003
(Drotaverine hydrochloride)
No maternal adverse events reported
Khosla 2003
(Control)
No maternal adverse events reported
Kuruvila 1992 Maternal pulse rate > 110/min observed in significantly more women receiving Valethamate bromide. Flushing of face and dryness of mouth not statistically significant between groups.
Madhu 2010
(Drotaverine hydrochloride)
4% 0 0 0 0 0 0 0 0 10%
Madhu 2010
(Valethamate bromide)
81.6% 20% 0 0 0 0 0 0 10% 2%
Madhu 2010
(Control)
6.30% 4.2% 0 0 0 0 2.1% 0 0 0
Makvandi 2010
(Hyoscine butyl bromide)
Mean heart rate:83.34 beats/min, SD:10.56
Mean systolic BP: 108.78 mmHg, SD: 12.34
Makvandi 2010
(Placebo)
Mean heart rate:86.65 beats/min, SD:12.87
Mean systolic BP: 110.09 mmHg, SD:13.67
Mukaindo 2010
(Hyoscine butyl bromide)
1 patient reported transient palpitations
PPH in 5.7% participants
Mukaindo 2010
(Placebo)
No adverse events reported
PPH in 7.3% of participants
Raghavan 2008
(Hyoscine butyl bromide)
Mild tachycardia, dryness of mouth and vomiting
Raghavan 2008
(Valethamate bromide)
Mild tachycardia, dryness of mouth and vomiting
Raghavan 2008
(No medication)
No adverse events reported
Samuels 2007
(Hyoscine butyl bromide)
0 0 0 0 0 0 0 150 mL (50‐1800 mL) 0 0
Samuels 2007
(Placebo)
0 0 0 0 0 0 0 150 mL (50‐550 mL) 0 0
Sekhavat 2012 No adverse events reported
Sharma 2001
(Drotaverine hydrochloride)
4% 0 0 0 0 0 0 0 0 4%
Sharma 2001
(Valethamate bromide)
20% 10% 0 0 0 0 0 0 4% 0
Sharma 2001
(Control)
4% 0 0 0 0 0 6% 0 0 4%
Singh 2004
(Drotaverine hydrochloride)
18% had atonic PPH
Singh 2004
(Control)
2.5% had atonic PPH
Warke 2003
(Camylofin dihydrochloride)
1% 5% 5% 6% 0 2% 0 0 0 0
Warke 2003
(Control)
0 0 0 0 0 2% 0 0 0 0
Yilmaz 2009
(Valethamte bromide)
21.3% 14.9% 14.9% 8.5% 12.8% 2.1% 0 0 0 0
Yilmaz 2009
(Control)
4.1% 0 10.2% 6.1% 4.1% 0 0 0 0 0

¹PPH: postpartum haemorrhage