Relent Plus Syrup contains Ambroxol (30mg/5ml) + Cetirizine (5mg/5ml). It is marketed by Dr Reddy's Laboratories Ltd and comes as 1 bottle of 60 ml. The MRP at Caspian Pharmacy, Vijay Nagar Colony, Hyderabad is ₹147.98.
About Ambroxol
Medically reviewed by Dr Khizer Hussain Junaidy, MD Pharmacology, Diabetologist & Bariatric Physician, on 23 Oct 2026.
What it is for
Loosens thick mucus in cough with phlegm.
How to take it
Take it after food, as advised. Drink plenty of warm fluids.
Common side effects
Mild stomach upset.
Call your doctor if
Cough for more than 3 weeks.
Blood in the phlegm.
High fever or breathlessness.
Take care
Stop it and see the doctor if you get a skin rash, blisters or mouth sores. Do not give it to a child under 2 years unless the doctor advises. Tell the doctor if you are pregnant.
From our clinic: Most coughs from colds settle in 2 to 3 weeks on their own.
About Cetirizine
Medically reviewed by Dr Khizer Hussain Junaidy, MD Pharmacology, Diabetologist & Bariatric Physician, on 23 Oct 2026.
What it is for
An anti-allergy medicine for sneezing, runny nose, itchy eyes and hives.
How to take it
Take it once a day, usually at night.
Common side effects
Sleepiness, dry mouth.
Call your doctor if
Swelling of the face or lips, or breathing difficulty.
Take care
Avoid alcohol. Do not drive if sleepy.
From our clinic: Taking it at bedtime reduces daytime sleepiness.
General information for patients, not a substitute for your doctor's advice. Your dose and plan may differ.
Same salt and strength, other brands
Ask your doctor or our pharmacist before switching brands. We never switch without asking you.
Details are taken from the maker's pack listing and our billing system. Prices are MRP and may change. This page is not medical advice: do not start, stop or switch a medicine without your doctor. Page updated 23 Oct 2026.