Sedating antihistamine tablet
If you have a 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, levocetirizine. If you have an intolerance to some sugars, unless your doctor tells you to (this medicine contains lactose).
Take special care with 4H2 Pills If you have kidney problems, please ask your doctor for advice; if necessary, you may have to take a lower dose. If you are an epileptic patient or a patient at risk of convulsions, you should ask your doctor for advice.
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.
If you are using the liquid form of this medication, measure the dose carefully using a special measuring device/spoon.
This includes symptoms such as 4H2 Pill does not prevent hives or prevent/treat a serious allergic reaction (such as anaphylaxis).
Therefore, if your doctor has prescribed epinephrine to treat allergic reactions, always carry your epinephrine injector with you.
You may find the Antihistamines article more useful, or one of our other health articles.
This term is used to describe drugs that antagonise histamine H1 receptors.