Relent Syrup: Uses, Side Effects, Composition, Price & Dosage

Relent Syrup: Uses, Side Effects, Composition, Price & Dosage post thumbnail image

Dr. Reddy’s Laboratories Limited is the manufacturers and sellers of Relent Syrup, which contains Ambroxal and Cetrizine as the active ingredients. It is presented as Relent Syrup and Relent Plus Syrup.

Relent syrup ameliorates signs and symptoms like running nose, sore throat, sneezing, common cold, broncho pulmonary diseases, mucus secretion, cough, skin allergies, watery eyes, itching and other allergic conditions.

Composition and Nature of Relent Syrup:

Relent Syrup contains Ambroxal 30 mg and Cetrizine 2.5 mg as active ingredients. It blocks histamines during allergic conditions and clears mucus. It also has inflammatory, antioxidant and anesthetic effects.

Cetirizine hydrochloride is the active ingredient. Cetirizine is an anti allergic medication. In adults and children aged 6 year and above, Cetirizine is indicated. Cetirizine is used for the treatment of allergic rhinitis. Cetirizine belongs to a group called Antihistamines.

Ambroxal loosens and clears mucus from the respiratory tract. It gives relief in productive cough, acute and chronic lung disease. Ambroxal dilates and loosens the thick mucus thus helping to cough it out.

Read More: Drotin Composition | Atarax Composition

Uses and Benefits of Relent Syrup:

Relent Syrup ameliorates signs and symptoms like running nose, sore throat, sneezing, cold, cough with or without mucus, allergies of the skin, itching, watery eyes and the like.

Side Effects of Relent Syrup:

Although Relent syrup is mostly well tolerated the patient may have side effects, which include nausea & vomiting, stomach upsets, diarrhea, dizziness, drowsiness, headache, rashes, dryness of the mouth, dryness of the throat, heartburn, acidity, indigestion shortness of breadth, allergic reactions and skin rashes. Consult your Doctor immediately if such side effects appear or persist.

Rare side effects include aggression, confusion, depression, hallucination, insomnia, convulsions, movement disorders, increase in weight and edema.

Read More: Aspirin Side Effects | Ascoril Side Effects

Common Dosage of Relent Syrup:

As with most medications your Doctor is the best judge to decide on the dosage of Relent syrup. Your Doctor mostly advises you to take this medication at a fixed time. A missed dose is to be taken immediately but if the time for the next dose is near, a dosage has to be avoided.

Read More: Ceftum Dosages | Vertin Dosages

How this syrup works?

Relent syrup will improve the condition of the patient by blocking the histamines that are produced during an allergy. Relent syrup also promotes clearance of the mucus. It has an anaesthetic effect and also works as an antioxidant.

Warnings and Precautions – When to Avoid It?

Your Doctor has to be informed if you are currently on any medication, any allergies that you may have and other pre existing diseases. Special attention and precautions are to be taken if you are aged over sixty-five years. Take the medication as advised by the Doctor.

  • Do not go for an activity that needs concentration, especially driving. All such activities are to be avoided.
  • Do not consume alcohol or take any other sedative while on Relent syrup therapy.
  • Consult your Doctor if your situation does not improve in a weeks’ time.
  • Consult your Doctor if you experience allergy symptoms.
  • Do not drive or operate a machine or do any work where you can get hurt if you lose concentration.
  • Do not use the syrup in the first trimester of pregnancy.
  • Hypersensitivity to the ingrediants of Relent Syrup is a contraindication.
  • Severe kidney problem and a severe liver problem is also a contraindication.
  • Do not use more than prescribed dose. Taking an overdose may cause poisoning or serious side effects.
  • Food does not affect the absorption of cetirizine.

Substitutes for Relent Syrup:

The substitute for Relent syrup is Allercet Syrup and is marketed by Micro Labs.

The substitute for Relent Syrup Plus is Amcold Syrup marketed by Cipla Limited.


Your Doctor has to be informed if you are undergoing any treatment or the medications you are presently taking.

The ingrediants of Relent Syrup may interact with alcohol and sedatives. It may also interact with antibiotics.

Relent Syrup is known to interact with most psychotropic drugs.


1) What is the treatment cost of Relent Syrup?

Ans: Cost depends mainly on two factors – dosage and duration. However by normal standards the therapy is not expensive. The exact per bottle price can be had from the packaging box. The dosage and duration of medication are short with Relent Syrup.

2) Is Relent Syrup safe during pregnancy and lactation?

Ans: No. Relent Syrup is not totally safe for use in pregnancy and lactation. Its consumption should be avoided.

3) What is the effect of Relent Syrup on the kidney or the liver?

Ans: Relent Syrup should not be used by patients of severe liver or kidney disease.

4) Is Relent Syrup habit forming?

Ans: Relent Syrup may be habit forming if used over a long period of time and in doses higher than those prescribed.

5) Can Relent Syrup be used for running nose and acute sore throat?

Ans: Yes, running nose and acute sore throat are among the most common reported uses for Relent Syrup.

6) How long should Relent Syrup before improvement is seen in conditions?

Ans: Three days to seven days is taken to see improvement in conditions. Please consult your doctor on the length of treatment with Relent Syrup.

7)What is the frequency of use for Relent Syrup?

Ans: An OD dose generally suffices. Twice a day can also be considered. Please follow the Doctor’s advice in this regard.

8) Relent Syrup should be taken before food or after food?

Ans: It is mostly taken after food. Relent Syrup does not interact with food and is absorbed well. Please follow your doctor’s instruction on how you should use this medicine.

9) Is it safe to drive or operate heavy machinery when consuming Relent Syrup?

Ans: Dizziness, drowsiness, hypotension and headaches are common side effects when using Relent Syrup. Hence driving a vehicle or operating heavy machinery is not advisable

10) Is this medicine habit forming?

Ans: Most medications don’t have a potential for addiction. Such medicines are categorized as schedule H or schedule X. Please do not self-medicate. Over long periods of use it may have the potential for habit formation. Please consult your Doctor.

11) Can usage of Relent Syrup be stopped immediately or do I have to taper off its consumption?

Ans: Relent Syrup is prescribed mostly for a duration of seven to ten days. It can be stopped immediately and does not require tapering off. Please consult your Doctor.


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