Hey as per your demand here I am providing you details of Zofran HCL 4mg

Uses
This medication is used alone or with other medications to prevent nausea and vomiting caused by cancer drug treatment (chemotherapy) and radiation therapy.
It is also used to prevent and treat nausea and vomiting after surgery.
It works by blocking one of the body's natural substances (serotonin) that causes vomiting.

Side effects
Headache,
Light-headedness,
Dizziness,
Drowsiness,
Tiredness, or constipation may occur.
If these effects persist or worsen, notify your doctor promptly.

Overdose
If overdose is suspected, contact a poison control center or emergency room right away.
US residents can call their local poison control center at 1-800-222-1222.
Canada residents can call a provincial poison control center.