Onset (4mg) 2ml, 1 Ampoule Injection

Description

Onset 4mg Injection contains Ondansetron and is made by Pharmedic Laboratories. Ondansetron blocks serotonin signals in the gut and brain that trigger nausea and vomiting. You can order it online from Divine Medicines with home delivery across Lahore.

Quick Facts

• Brand: Onset
• Formula (generic): Ondansetron
• Manufacturer: Pharmedic Laboratories
• Drug class: Antiemetic – 5-HT3 antagonist
• Dosage form: Solution for injection (ampoule)
• Pack size: 2 ml ampoule

Ingredients

Each 2 ml ampoule contains Ondansetron (as hydrochloride) 4 mg.

Drug Class

Antiemetic – 5-HT3 antagonist.

Dosage Form & Pack Size

Solution for injection (ampoule). 2 ml ampoule.

Uses

Onset 4mg is used for:

• Nausea and vomiting caused by chemotherapy or radiotherapy
• Nausea and vomiting after surgery

Dosage

Usually 4–8 mg by injection before chemotherapy or surgery, repeated as directed by the doctor.

How to Use

Given by a doctor or nurse into a vein (slowly) or into a muscle.

Missed Dose

This injection is given by healthcare staff on a schedule; tell them if a dose seems late.

Overdose

If you take too much, contact your doctor or go to the nearest hospital emergency department straight away.

When Not to Use

• Taking apomorphine
• Allergy to ondansetron

Side Effects

Common side effects may include:

• Headache
• Constipation
• Feeling of warmth or flushing
• Tiredness

Seek urgent help for palpitations, fainting, or agitation with fever and muscle twitching.

Precautions & Warnings

• Tell your doctor about heart rhythm problems or low potassium
• Constipation is common; drink plenty of fluids

Pregnancy & Breastfeeding

Use in pregnancy only if your doctor decides it is needed, especially in the first trimester. Not recommended during breastfeeding.

Drug Interactions

• Apomorphine must not be combined
• SSRIs, SNRIs and tramadol increase serotonin syndrome risk
• Medicines that affect heart rhythm add to QT risk

Storage Instructions

Store below 30°C in a dry place, away from direct sunlight and moisture. Keep in the original pack and out of reach of children.

FAQs

What is the Onset 4mg price in Pakistan?

Current prices are shown at the top of this page. Order online from Divine Medicines for delivery in Lahore.

What is the formula of Onset 4mg?

The formula (generic name) of Onset 4mg is Ondansetron.

Who manufactures Onset 4mg?

Onset 4mg is manufactured by Pharmedic Laboratories and is available at Divine Medicines with delivery across Lahore.

When should I take Onset 4mg before chemotherapy?

1–2 hours before treatment.

Does Onset 4mg cause constipation?

It can.

How fast does Onset 4mg work?

Within about 30 minutes.

Disclaimer

Always use this medicine strictly according to your doctor’s instructions and prescribed dosage.