
⚕️ Antiemetics: Key Medicines & Brands in India
🔹 Introduction
Nausea aur vomiting common symptoms hain jo multiple conditions se ho sakte hain:
- Gastroenteritis, motion sickness
- Drug-induced (chemotherapy, opioids)
- Postoperative nausea & vomiting
- Pregnancy (hyperemesis gravidarum)
Treatment ka goal hai symptom relief, hydration maintain karna, aur underlying cause treat karna. Doctors commonly antiemetic classes prescribe karte hain based on mechanism & severity.
🔹 1. 5-HT3 Receptor Antagonists
✦ Ondansetron
- Brands: Emeset, Zofran
- Use:
- Chemotherapy-induced nausea & vomiting
- Postoperative nausea & vomiting
- Gastroenteritis-related vomiting
- Note: Oral, IV, or ODT (orally disintegrating tablet) forms available
✦ Granisetron
- Brand: Kytril
- Use: Similar indications as Ondansetron
- Note: Long-acting injection forms for chemotherapy patients
🔹 2. Dopamine D2 Receptor Antagonists
✦ Domperidone
- Brands: Domstal, Motilium
- Use: Nausea & vomiting due to functional dyspepsia, gastritis, delayed gastric emptying
- Note: Peripheral D2 antagonist, less CNS side effects
✦ Metoclopramide
- Brand: Perinorm
- Use: Nausea & vomiting due to gastroparesis, chemotherapy, or postoperative causes
- Note: Central & peripheral action, long-term use may cause extrapyramidal symptoms
🔹 3. NK-1 Receptor Antagonists (for Chemotherapy-induced Nausea)
✦ Aprepitant
- Brand: Emend
- Use: Prevents acute & delayed chemotherapy-induced nausea & vomiting
- Note: Oral capsules, usually part of combination therapy with 5-HT3 antagonists & steroids
🔹 4. Other Supportive Measures
- Ginger extract / herbal antiemetics – Mild nausea relief
- Hydration & electrolytes – Especially in gastroenteritis
- Combination therapy – In severe or refractory cases, multiple antiemetics may be combined
📝 Conclusion
Antiemetic therapy depends on cause, severity, and patient profile:
- 5-HT3 antagonists → Chemotherapy, post-op, acute severe vomiting
- Dopamine antagonists → Functional GI disorders, mild to moderate nausea
- NK-1 antagonists → Resistant or chemotherapy-induced vomiting
Treatment should always consider hydration & electrolyte balance along with drug therapy.
⚠️ Disclaimer – MR ki Baat
This article is for educational purposes only. It does not replace medical advice. Always consult a gastroenterologist or physician before starting any antiemetic therapy.
