You can take cetirizine with or without food.
The extent of absorption of cetirizine is not reduced with food, although the rate of absorption is decreased.
Do not take a double dose to make up for a forgotten dose. Always take this medicine exactly as described in this leaflet or as your doctor or pharmacist has told you.
Below is a text only representation of the Patient Information Leaflet. Headaches should usually go away after the first week of taking cetirizine. What Are Side Effects Associated with Using Cetirizine.
Ask your doctor before use if you are taking the following medications:
When corticosteroids are administered exogenously, increases in blood glucose concentrations would be expected thereby decreasing the hypoglycemic effect of antidiabetic agents.
When this fluid does not drain out of the eye properly or too much fluid is produced, the pressure inside the eye increases.
This is because some anaesthetics may increase the risk of unwanted effects.
However, the risk is very small for most people.
Tell your doctor if you are pregnant or plan to become pregnant. Drug information contained herein may be time sensitive. It stops the effects of a naturally occurring substance called histamine and this helps to relieve the symptoms of allergies such as hay fever and urticaria. Do not take a double dose to make up for a forgotten dose. Never give it to anyone else, even if their condition appears to be the same, as this could do harm.