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Sinarest Tablet - Uses, Dosage, Drug Interactions and Side Effects

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Sinarest Tablet - Uses, Dosage, Drug Interactions and Side Effects

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Sinarest is used to treat symptoms of cold, flu, allergies, etc. It is the combination of a decongestant, antihistamine, and analgesic in the right proportion.

Medically reviewed by

Dr. C. Elanchezhian

Published At May 21, 2019
Reviewed AtOctober 5, 2023


Sinarest is used to treat symptoms of cold, flu, allergies, etc. It is the combination of a decongestant, antihistamine, and analgesic in the right proportion.

What Is the Composition of Sinarest Tablet?

It is a combination of the following drugs:

  1. Chlorpheniramine Maleate (2 mg) - It belongs to the first generation of anti-histamine. It has anti-allergic properties, as it reduces the secretion of naturally produced histamine in the body. As a result, it helps with allergic symptoms like runny nose, watery eyes, sneezing, and itching.

  2. Paracetamol (Acetaminophen) 500 mg - It has analgesic (painkiller), antipyretic (lowers fever), and very weak anti-inflammatory properties.

Phenylephrine Hydrochloride (10 mg) - It is a nasal decongestant. It helps stuffy nose by reducing the swelling of the blood vessels in the nose.


How Does Sinarest Tablet Work?

Each of the components in this tablet works in the following ways:

  • Chlorpheniramine blocks the H1 receptor sites, which relieves all symptoms of an allergy.

  • Paracetamol inhibits the synthesis of prostaglandin, which is the pain and fever causing messengers. It reduces body temperature during fever by promoting loss of heat.

  • Phenylephrine constricts the blood vessels in the nose, which decreases the blood flow and helps to relieve nasal congestion and stuffiness.

What Is Sinarest Tablet Used For?

It is used to prevent and treat the following conditions:

Common cold.

What Is the Dosage of Sinarest Tablet?

Your doctor will decide the dose depending on your medical condition. Take this only if your doctor prescribes it, and do not self-medicate. The usual recommended dose is 1 or 2 tablets twice or thrice daily for adults.

What If You Miss a Dose of Sinarest Tablet?

If you forget to take a dose, take it as soon as you remember. But if it is almost time for the next dose, then skip the missed dose. Do not take two doses at a time, as it might lead to a drug overdose.

What Are the Symptoms of Sinarest Tablet Overdose?

Get immediate medical help if you notice any of the following symptoms:

  • Stomach pain.

  • Loss of appetite.

  • Nausea.

  • Vomiting.

  • Sweating.

  • Extreme fatigue.

  • Pale to yellowish skin.

  • Dark yellow urine.

  • Yellow discoloration of the sclera.

How to Use Sinarest Tablet?

Take the exact dose as prescribed by your doctor. Do not alter the doses or stop the medicine before the specified number of days.

The tablet should be preferably consumed after a meal with plenty of water for best results. Do not break the tablet in half or crush the tablet. It has to be taken as a whole. In people with gastric problems, it is best to take this tablet along food to reduce the incidence of gastric symptoms.

How Is Sinarest Tablet Stored?

The medicine should be stored away from light and moisture. Preferably in an airtight container, with the temperature not exceeding 30 degrees Celcius. It should be kept away from the reach of children and pets.

What Are the Side Effects of Sinarest Tablet?

The common side effects are:

  • Dizziness.

  • Feeling drowsy and sleepy.

  • Constipation.

  • Headache.

  • Liver damage.

  • Blurred vision.

  • Palpitations.

  • Insomnia.

  • Nausea.

  • Allergic reaction.

  • Swelling of the face.

  • Skin rashes.

What Are the Precautions and Drug Warnings?

The following patients should take this medicine under strict medical supervision:

  • Pregnant women.

  • Breastfeeding mothers.

  • Pediatric patients.

  • Patients with a known allergy to any of the drug in this medicine.

  • Psychiatric patients.

  • Alcoholics.

If you suffer from any of the following health condition, avoid taking Sinarest or do so only under strict medical supervision:

What Are the Drug Interactions?

Some medicines (mostly anti-depressants) if taken along Sinarest might show side effects. These medicines are:

  • Linezolid.

  • Moclobemide.

  • Procarbazine.

  • Alprazolam.

  • Lorazepam.

  • Rasagiline.

  • Phenelzine.

  • Methylene blue.


Sinarest is available in syrup and drops form also. Self-medication can be taken only for two to three days, after that, it is best to consult your doctor. Do not operate heavy machinery or drive while on Sinarest tablet. If the symptoms of cold and allergy do not settle in a week of taking this tablet, consult the family doctor.

Frequently Asked Questions


When Do I Need Sinarest?

You will need Sinarest medication when you are suffering from conditions like sinusitis and bronchitis. It is used to relieve symptoms like stuffy nose and congestion of the ears. It is also used for providing temporary relief from flu, common cold, and other allergies.


Which Is the Best Medication for a Cold?

Medications like Pseudoephedrine and Phenylephrine are the best medications for stuffy noses. A runny nose can be treated with medicines called Diphenhydramine. Acetaminophen is a drug of choice for children. If the headache is accompanied by a cold, then Ibuprofen is recommended.


What Are the Uses of Sinarest Plus?

Sinarest Plus is a suspension drug. It is used to treat the following symptoms:
- Nose congestion.
- Watering eyes.
- Stuffiness of the nose.
- Sneezing.
- Pain and fever.


What Should You Avoid While Taking Sinarest?

It is necessary to avoid two things while consuming Sinarest medications:
- Alcohol. Consuming alcohol must be avoided because it might increase the risk associated with liver damage.
- Driving. Driving of any vehicles should be avoided because this drug can cause blurred vision, and it will also interfere with your ability to think. So, your driving might get affected when you are under this medication.


Which Is the Best Time to Take Sinarest?

Sinarest medication should be taken once in every four to six hours. It can be taken orally before or after the consumption of food. You should ask your doctor for the direction of usage.


Does Sinarest Make You Sleepy?

Sinarest can cause drowsiness and blurred vision in many patients. Consuming this drug, along with a few other drugs, might make you feel sleepy. It is a common side effect most patients experience. So, it is necessary to know the precautionary measures before taking these medications. If the sleepiness caused by Sinarest is affecting your daily routine, you should inform your doctor immediately.


How Long Will Sinarest Take to Work?

Sinarest will show its action very soon. You need not go for long-term dosage therapy for these drugs. You can gradually reduce or stop taking these medications when your symptoms begin to reduce.


Is Sinarest Good for Sinusitis?

Sinarest is a suitable medication for sinusitis. It generally works well for all the respiratory conditions. It is useful for relieving symptoms such as the stuffy nose, runny nose, and sneezing. This drug is available over the counter, and you can also ask your doctor to clarify to you about the directions of usage.


Can You Take Paracetamol and Sinarest Together?

The medication Sinarest itself is a combination drug of Paracetamol, Chlorpheniramine, Phenylephrine. They can cure body pain and fever. Taking an additional dosage of Paracetamol is not recommended. A few reports say that there are no adverse effects seen while taking Paracetamol and Sinarest together. But, it is advisable to take these medications together only after getting recommendations from your doctor.


Can You Take Sinarest and Cetirizine Together?

The Sinarest medication should not be taken along with Cetirizine because it will cause many side effects like drowsiness, dizziness, and difficulty concentrating. In older people, there might be loss of motor coordination and inability to think.


Can You Take Amoxicillin and Sinarest Together?

There are no drug interactions seen so far while taking Amoxicillin and Sinarest together. It is better to get a consultation from a doctor to prevent complications in the future.


Is Sinarest AF Medication Good for Cough?

Sinarest AF is a syrup that is available on prescription by the doctor. It is the best drug for dry cough. It also acts as an anti-allergic agent and helps in curing the sore throat and allergies. Your doctor will guide you on the quantity of syrup you should consume.


How Many Tablets of Sinarest Can Be Taken in a Day?

The recommended dosage of Sinarest for adults is one or two tablets twice or thrice daily. The dosage will be prescribed depending on the health condition of the individual. You should inform your doctor about all the symptoms you are facing.


Is Sinarest a Painkiller Drug?

The drug Sinarest is a combination of Acetaminophen, chlorpheniramine, and pseudoephedrine. It is used to treat body ache, fever, headache, and other respiratory infections. If Sinarest is consumed in the right dose, it can relieve pain.


What Are the Alternative Medications for Sinarest?

The alternate medications for Sinarest are:
- Theocold Tablet.
- Flucold Tablet.
- Solvin Cold Tablet.
- Febrex Plus Tablet.
- Recofast Plus New.
- Rinogard Forte.
- Avril.


Why Would a Doctor Prescribe Sinarest?

The doctors would prescribe Sinarest if the patient complains of having a runny or stuffy nose. They will also prescribe Sinarest for sore throat and allergic conditions. However, it is not recommended for children who are less than six years of age.


Is It Safe to Consume Sinarest During Pregnancy?

There is no evidence to show that Sinarest is harmful during pregnancy. However, the pregnancy period is the time a woman has to be cautious.


Is It Safe to Consume Sinarest While Breastfeeding?

Decongestants are generally known to reduce the secretion of breastmilk. This drug can pass from the mother to the baby. When there are side effects of Sinarest relating to breastfeeding, you should be cautious about consuming it. Get help from your doctor if you are a new mother.


Does Sinarest Reduce Ear Pain Caused by Cold?

The drug Sinarest includes the Paracetamol and antihistamines. They can be used to relieve the ear pain that is caused by cold. It should not be used by young patients who are less than six years of age.


Is Sinarest Suitable for a Baby?

Sinarest is not recommended for babies. It can result in severe complications. Suppose your baby is having a cold or any allergic disturbances. In that case, you can ask your doctor to provide any other suitable medications, which would be a proper alternative to the drug.


What Are the Adverse Effects Caused by Sinarest?

The adverse effects caused by Sinarest:
- Dizziness.
- Blurred vision.
- Nervousness.
- Drowsiness.
- Sleep disturbances.
- Mild headache.
- Constipation.
- Sore throat.


What Are the Risk Factors of Sinarest in Glaucoma Patients?

In glaucoma patients, there would be an increase in the intraocular pressure after prolonged usage of Sinarest. There will be dilatation of the pupil, which will interfere with the normal vision. So, it is not recommended for glaucoma patients. It is also harmful to patients with hypertension and liver problems.


Is Sinarest Medication Good for Throat Infections?

Sinarest is the medication that is given for bronchitis. Sore throat being a symptom of bronchitis, it is advised to go for Sinarest medications. Sinarest medications provide a cure for throat infections. These drugs are available over the counter, but to follow a proper dosage, it is necessary to get a doctor's consultation.
Dr. C. Elanchezhian
Dr. C. Elanchezhian

General Medicine


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