Ondisan Oral Drops 30 ml belongs to a group of medications called anti-emetics used to prevent nausea and vomiting associated with conditions like cancer chemotherapy, radiotherapy, surgery, pregnancy and motion sickness in adults and children above 4 years of age. When serotonin level increases in the blood, it stimulates the CTZ receptor (chemoreceptor trigger zone) located in the brain responsible for controlling nausea and vomiting. Ondisan Oral Drops 30 ml acts by inhibiting the release of this serotonin, thereby preventing nausea and vomiting. 

Tablet: It can be taken with or without a meal as advised by the doctor. Swallow the tablet as a whole with a glass of water. Do not break, crush or chew it. Oral disintegrating tablet/Mouth dissolving tablet (tablet MD): Check the label for directions before use. Do not handle the tablet with wet hands. Place the tablet in the mouth and allow it to dissolve. Do not swallow it as a whole.

• Sensations of flushing
• Constipation
• Headache
• Confusion
• Dizziness
• Fast heartbeat
• Fever
• Headache
• Shortness of breath
• Weakness

Store in a cool and dry place away from sunlight