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What is CTN 10 Pill

CTN 10 pill is a white, round tablet containing 10 milligrams of a non-sedating antihistamine that works by blocking histamine (H-1) receptors known as cetirizine. Histamine is a substance responsible for many of the signs and symptoms that accompanies allergic reactions, for example, swelling of the lining of the nose, sneezing, and itchy eyes. The medication is supplied by Taro Pharmaceuticals U.S.A. Inc.

ctn 10


What is CTN 10 Pill Used For?

CTN10 is a very effective and potent medication for the treatment of allergic symptoms related to Rhinitis and Utricaria. This includes symptoms such as

  • running nose
  • watery eyes
  • sneezing
  • skin itching
  • hives

How to use (Cetirizine) CTN 10

If you are taking the over-the-counter product to self-treat, read all directions on the product package before taking this medication. If you have any questions, consult your pharmacist. If your doctor has prescribed this medication, take it as directed, usually once daily.

If you are using chewable tablets, chew each tablet well and swallow. If you are using the rapidly-dissolving tablet, allow the tablet to dissolve on the tongue and then swallow, with or without water. If you are using the liquid form of this medication, measure the dose carefully using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.

The dosage is based on your age, medical condition, and response to treatment. Do not increase your dose or take this medication more often than directed.

Tell your doctor if your allergy symptoms do not improve, if your hives do not improve after 3 days of treatment, or if your hives last more than 6 weeks. Get medical help right away if your condition worsens or if you think you have a serious medical problem (such as a very serious allergic reaction/anaphylaxis).

How and when should you take CTN 10 mg Tablets?

These guidelines apply unless your doctor has given you different instructions on how to use Cetirizine 10 mg Tablets.

Please follow these instructions, otherwise, Cetirizine 10 mg Tablets may not be fully effective.

Tablets need to be swallowed with a glass of liquid.

Adults and adolescents above 12 years old:

10 mg once daily as one tablet.

Children between 6 and 12 years old:

5 mg twice daily as half a tablet.

Patients with kidney problems:

Patients with moderate renal impairment are recommended to take 5 mg once daily as a half tablet.

If you feel that the effect of Cetirizine 10 mg Tablets is too weak or too strong, please consult your doctor.

If you take more Cetirizine 10 mg Tablets than you should

If you think you have taken an overdose of Cetirizine 10 mg Tablets, please inform your doctor. Your doctor will then decide what measures if any, should be taken.

After an overdose, the side effects described below may occur with increased intensity. Adverse effects such as confusion, diarrhoea, dizziness, tiredness, headache, ailing, dilating (widening) of the pupil, itching, restlessness, sedation, somnolence, stupor, abnormal rapid heart rate, tremors and urinary retention have been reported.

If you forget to take Cetirizine 10 mg Tablets

If you forget to take a tablet, take it as soon as you remember, but wait at least 24 hours before taking the next tablet. Do not take a double dose to make up for a forgotten dose.

If you stop taking Cetirizine 10 mg Tablets

If you have any further questions about the use of this product, ask your doctor or pharmacist.


Before You Take Cetirizine 10 mg Tablets

Do not take Cetirizine 10 mg Tablets

  • if you have severe kidney disease (severe renal failure with creatinine clearance below 10 ml/min).
  • if you are known to be allergic (hypersensitive) to the active substance of Cetirizine 10 mg Tablets or any of the other ingredients of these tablets (these are listed below, in section 6 “Further information”).
  • if you are known to be allergic (hypersensitive) to hydroxyzine (closely related active substances of other medicines).
  • if you are known to be allergic (hypersensitive) to drugs from the piperazine family, for example, buclizine, cyclizine, meclozine, and levocetirizine.

You should not take Cetirizine 10 mg Tablets:

  • if you have an intolerance to some sugars unless your doctor tells you to (this medicine contains lactose).

Take special care with Cetirizine 10 mg Tablets

If you have kidney problems, please ask your doctor for advice; if necessary, you may have to take a lower dose. The new dose will be determined by your doctor.

If you are an epileptic patient or a patient at risk of convulsions, you should ask your doctor for advice.

Taking other medicines

Please tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines obtained without a prescription.

Due to the profile of cetirizine, no interactions with other drugs are expected.

Taking Cetirizine 10 mg Tablets with food and drink

Food does not noticeably affect the absorption of cetirizine.

No interactions having a noticeable impact have been observed between alcohol (at the blood level of 0.5 per millilitre corresponding to one glass of wine) and cetirizine used at the normal doses. However, as it is the case with all antihistamines, it is recommended to avoid the consumption of alcohol while taking this medicine.

Pregnancy and breast-feeding

Ask your doctor for advice before taking any medicine.

As with other drugs, the use of Cetirizine 10 mg Tablets should be avoided by pregnant women. Accidental use of the drug by a pregnant woman should not produce any harmful effects on the foetus. Nevertheless, the administration of the medicine should be discontinued.

You should not take Cetirizine 10 mg Tablets during breastfeeding because cetirizine passes into breast milk.

Driving and using machines

Clinical studies have produced no evidence of impaired attention, alertness and driving capabilities after taking Cetirizine 10 mg Tablets at the recommended dose.

If you intend to drive, operate machinery, or perform other tasks that need your full attention, you should not exceed the recommended dose and you should closely observe your response to the drug. If you are a sensitive patient, you may find that the simultaneous use of alcohol or other nervous depressant agents may additionally affect your attention and ability to react.

Important information about some of the ingredients of Cetirizine 10 mg Tablets

Cetirizine 10 mg Tablets contain lactose; if you have been told by your doctor that you have an intolerance to some sugars, please contact your doctor before taking this medicinal product.

Allergy skin test

If you are going to have an allergy skin test stop taking Cetirizine 10 mg Tablets for three days before the test.

Possible Side Effects Of CTN 10

Like all medicines, Cetirizine 10 mg Tablets can cause side effects, although not everybody gets them.

The following side effects have been reported in the post-marketing experience. The frequencies are defined as such: (common: 1 patient out of 100 to less than 1 out of 10, uncommon: 1 out of 1,000 to less than 1 out of 100, rare: 1 out of 10,000 to less than 1 out of 1,000, very rare: less than 1 out of 10,000, not known: cannot be estimated from the available data).

  • Blood and lymphatic disorder: very rare: thrombocytopenia (low levels of blood platelets)
  • Body as a whole: common: fatigue
  • Cardiac disorders: rare: tachycardia (heart beating fast)
  • Eye disorders: very rare: accommodation disorder (impaired ability of the eye to focus), blurred vision, oculogyration (eyes moving in an uncontrolled circular manner)
  • Gastro-intestinal disorders: common: dry mouth, nausea (feeling sick), diarrhoea uncommon: abdominal pain
  • General disorders and administration site conditions: Uncommon: asthenia (feeling of weakness), malaise (feeling of being generally unwell) rare: oedema (swelling)
  • Immune system disorders: rare: allergic reactions, some severe (very rare)
  • Hepatobiliary disorders: rare: liver function abnormal
  • Investigations: rare: weight increased
  • Nervous system disorders: common: dizziness, headache uncommon: paraesthesia (abnormal feelings of the skin) rare: convulsions, movements disorders very rare: syncope (fainting), tremor, dysgeusia (altered taste) frequency not known: loss of memory, memory impairment
  • Psychiatric disorders: common: somnolence (sleepiness) uncommon: agitation rare: aggression, confusion, depression, hallucination, insomnia (difficulty in sleeping) very rare: tics (sudden abnormal repetitive muscle movement)
  • Renal and urinary disorders: very rare: abnormal elimination of urine
  • Respiratory system disorders: common: pharyngitis (sore throat), rhinitis (swelling and irritation inside the nose)
  • Skin and subcutaneous tissue disorders: Uncommon: pruritus (itching), rash rare: urticaria (swelling, redness and itchiness of the skin) very rare: oedema (swelling), fixed drug eruption

If you develop one of the side effects described above, please inform your doctor. At the first signs of an allergic (hypersensitivity) reaction, stop taking Cetirizine 10 mg Tablets and contact your doctor immediately. Symptoms of an allergic (hypersensitivity) reaction include difficulty breathing, and swelling of the face, neck, tongue or throat. Your doctor will then assess the severity and decide on any further measures that may be necessary. If you think you have any side effects not mentioned in this leaflet, please inform your doctor or pharmacist.

Is CTN 10 Pill a Controlled Drug?

CTN 10 and white oval pill 4h2 are not controlled substances under the Controlled Substance Act (CSA). However, some public health experts are calling for the medication to be classified as a controlled substance owing to the haphazard consumption of the drug which is increasingly becoming a public health challenge.

Can CTN 10 Get You High?

No, you are very less likely to get high with Ctn 10. The common side effects include fatigue, dry mouth, and pharyngitis Read: Can CTN 10 Get You High?

How Many Cetirizine or Ctn 10 can you take in a day?

The standard adult dose for Ctn 1o  is one tablet daily, which is also the maximum recommended dose. Studies have shown that taking an overdose of ctn 10 confers no advantage whatsoever.

How To Store CTN 10 Tablets

Keep out of the reach and sight of children.

Do not use Cetirizine 10 mg Tablets after the expiry date which is stated on the box and blister.

This medicine does not require any special storage conditions. SEE : Seasonal Allergies icd 10 Code

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Public Health Ng

Public Health Nigeria an Interdisciplinary public health movement focused on health education, advancing fair public health policies, promoting fitness, healthy diets, responsible behavior, community health and general well-being.

Public Health Ng
Public Health Nigeria an Interdisciplinary public health movement focused on health education, advancing fair public health policies, promoting fitness, healthy diets, responsible behavior, community health and general well-being.


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