Description

Description

Onset Syrup 25 ml contains Ondansetron Hydrochloride 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 Hydrochloride
• Manufacturer: Pharmedic Laboratories
• Drug class: Antiemetic – 5-HT3 antagonist
• Dosage form: Oral syrup
• Pack size: 25 ml bottle

Ingredients

Each 5 ml contains Ondansetron (as hydrochloride) 4 mg.

Drug Class

Antiemetic – 5-HT3 antagonist.

Dosage Form & Pack Size

Oral syrup. 25 ml bottle.

Uses

Onset Syrup is used for:

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

Dosage

Chemotherapy: 8 mg 1–2 hours before treatment, then 8 mg every 12 hours for up to 5 days. After surgery: 16 mg 1 hour before anaesthesia, or as directed.

How to Use

Shake the bottle well and measure each dose with the cup or oral syringe supplied, not a household spoon.

Missed Dose

Take the missed dose when you remember. If the next dose is due soon, skip the missed one. Do not take a double dose.

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 Syrup 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 Syrup?

The formula (generic name) of Onset Syrup is Ondansetron Hydrochloride.

Who manufactures Onset Syrup?

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

When should I take Onset Syrup before chemotherapy?

1–2 hours before treatment.

Does Onset Syrup cause constipation?

It can.

How fast does Onset Syrup work?

Within about 30 minutes.

Disclaimer

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