The addition of the decongestant pseudoephedrine to Claritin helps with nasal congestion and sinus pressure caused by colds or allergies. It works by narrowing blood vessels in the nasal passages, says PubMed Health. The evidence of NAC as a possible treatment for colds is mostly circumstantial and anecdotal, but NAC is also safe and inexpensive, costing only about $12 to $15 a month, and the mechanisms of treatment are well-defined and documented, says the journal American Academy of Physicians. Does Benadryl Cause Nasal Congestion. Can benadryl cause a sinus infection. Antihistamines do not cause sinus infections. Whatever you were trying to treat with the antihistamines caused the sinus infection. Does Navage Really Work?2.9 (57.84%) 649 votes Along with the cold weather often comes some health issues and one of these can be sinus congestion. So will a product like Navage bring you some much needed relief? Overview Navage is […] User Reviews for Claritin. The following information is NOT intended to endorse drugs or recommend therapy. While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners in patient care. Doctors give trusted, helpful answers on causes, diagnosis, symptoms, treatment, and more: Dr. Davis on nursing diagnosis for cough and colds: Physicians are licensed to prescribe appropriate treatment for conditions which they have been trained to recognize and then encounter during a visit. Some will avoid dealing with issues for which they. Looking for allergy medicine? Read reviews and complaints about Claritin, including their product variety, side effects, availability and more. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Menchell on can i take claritin and dayquil: DayQuil contains PHENYLEPHRINE a DECONGESTION similar to SUDAPHED! Rapid heart beat and a number of other symptoms are possible! Hope this helps! Dr Z Zyrtec and Claritin are two popular antihistamines that can reduce allergy symptoms such as sneezing, itching, and rashes. Zyrtec contains cetirizine and Claritin contains loratadine. Their. I have post nasal drip and dr thinks i am alergic to dusts mites. recommended singular, but I don't like taking it. Is zyrtec or claritin a good alternative.