Cetirizine Hydrochloride

Uses	Allergic rhinitis and skin allergy
Therapy	Anti-Allergic
Side Effects	Tiredness, headache, sleepiness, drowsiness, nausea

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Molecule Description

Cetirizine Hydrochloride is an anti-allergic medication and is used to treat symptoms associated with allergies such as itching, sneezing, watery eyes, running nose, rashes, and pale red bumps. Take as directed by the doctor and in doses and duration as prescribed. Side effects of the medicine are drowsiness, headache, weakness, and dry mouth. Most of them are temporary but if you feel the side effects persist or your condition worsens, you should contact the doctor immediately. Cetirizine Hydrochloride should be used with caution in children and it is recommended to consult the doctor before using the medicine in pregnant and lactating women.

Uses

Cetirizine Hydrochloride is used to treat allergies associated with airways (allergic rhinitis) and Skin (urticaria).

Contraindications

When should one not use Cetirizine Hydrochloride

If you are allergic to cetirizine, Hydroxyzine or Piperazine derivatives or other ingredients of Cetirizine Hydrochloride.
If you have severe kidney disease.

Side effects

Common side effects of this drug are:

Tiredness
Headache
Sleepiness
Drowsiness
Nausea
Dizziness
Rhinitis
Dry mouth
Sore throat

Precautions and Warnings

Pregnancy

Cetirizine Hydrochloride should be avoided by pregnant women, as there is limited information available on the safety of the medicine in pregnant women. Hence, avoid it in pregnancy unless prescribed by a doctor.

Breast Feeding

Cetirizine Hydrochloride passes into breastmilk. Therefore, it is advised not to take the medicine while breastfeeding unless the doctor has prescribed.

Driving

Cetirizine Hydrochloride is known to cause sleepiness. Hence, driving or operating machine should be avoided.

Alcohol

It is advised to avoid alcohol consumption along with Cetirizine Hydrochloride, as it may worsen the side effects like drowsiness or dizziness.

Other General Warnings

Talk to your doctor if

You have a kidney problem or urinary retention problem as you may need a lower dose of the medicine, consult the doctor.
You are giving this medicine to children, as they may require a smaller dose.
You are suffering from fits (epilepsy).
You are due to have an allergy skin test, as this medicine may interfere with the result.
You may experience certain skin reactions like swelling, itching, and redness immediately after you stop taking Cetirizine Hydrochloride.

Mode of Action

How Does It Work?

Histamine is a substance produced in the body in case of allergies and responsible for itching, runny nose, sneezing, and watery eyes. Cetirizine Hydrochloride works by blocking histamine and hence decreases the symptoms associated with allergies.

Interactions

Interactions with other medicines

Medicines may affect the way Cetirizine Hydrochloride works, or the medicine itself may reduce the effectiveness of other medicines taken at the same time.
Tell the doctor about the medicines, supplements, or herbal supplements you are currently taking or might take to avoid possible interaction.
Concomitant use of Cetirizine Hydrochloride with medicines used to treat anxiety and psychotic disorders, such as diazepam and clonazepam, may aggravate side effects such as drowsiness and headache and affect alertness.
It is important to inform the doctor regarding the medications and herbal supplements used before taking the medicine. It is also important to discuss specific allergies or underlying conditions experienced before using the medicine.

Dosage

Overdose

Symptoms of overdose are tiredness, headache, confusion, dizziness, discomfort, skin irritation, restlessness, drowsiness, rapid heartbeat, tremor, urinary retention. If you experience symptoms or think you have taken too much of Cetirizine Hydrochloride, contact the doctor immediately or visit the nearest hospital.

Missed a Dose

If you missed the dose of Cetirizine Hydrochloride, take it as soon as you remember.
If it is almost time for your next dose, skip the missed dose and continue with the regular dosing schedule.
Do not take a double dose of medicine to compensate for the missed one.

Frequently Asked Questions (FAQs)

Yes, Cetirizine Hydrochloride is used in allergic conditions. However, avoid self-medication. Only if prescribed by the doctor, you may take it.

No, do not take Cetirizine Hydrochloride for a cough or cold on your own. A cough or cold may be due to various reasons, such as allergies or infections. This medicine may help with a cough or cold if it is of allergic origin.

Yes, Cetirizine Hydrochloride may cause drowsiness, sleepiness, and dizziness. Avoid driving or operating machinery after taking this medicine.

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