This leads to clearing of nasal congestion, but it may also cause an increase in blood pressure in patients who have high blood pressure.
Ophthalmic symptoms include red, itching, and tearing eyes.
A comprehensive review with 185 references for the analysis of commonly prescribed members of an important class of drugs, non-sedating antihistamines (NSAs), is presented.
The review covers most of the methods described for the analysis of cetirizine (CTZ), ebastine (EBS), fexofenadine (FXD), ketotifen (KET) and loratadine (LOR) in pure forms, in different pharmaceutical dosage forms and in biological fluids.
Histamine can cause itching, sneezing, runny nose, and watery eyes.
Antihistamines contained in these combinations are: The decongestants, such as phenylephrine, and pseudoephedrine, produce a narrowing of blood vessels.