Be careful when choosing any combination product (such as NyQuil) for allergies or cough and cold because many of them contain sedating antihistamines.

Using cetirizine together with doxylamine may increase side effects such as dizziness, drowsiness, and difficulty concentrating. Some people, especially the elderly, may also experience impairment in thinking, judgment, and motor coordination.

Can Advil be taken with NyQuil? Some cold remedies like NyQuil already contain pain relieving ingredients. So watch out for ingredients and don’t take Advil with any cold medication containing other forms of ibuprofen (like Motrin), naproxen (like Aleve or Midol), or aspirin.

Using diphenhydrAMINE together with doxylamine may increase side effects such as drowsiness, blurred vision, dry mouth, heat intolerance, flushing, decreased sweating, difficulty urinating, abdominal cramping, constipation, irregular heartbeat, confusion, and memory problems.

No interactions were found between Equate Allergy Relief and ibuprofen. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Interactions between your drugs No interactions were found between Benadryl and ibuprofen. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

No interactions were found between ibuprofen and Zyrtec. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

Interactions between your drugs No interactions were found between Advil and Claritin-D 24 Hour.

No interactions were found between Flonase and ibuprofen. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

How quickly does FLONASE® Allergy Relief start working? You may start to feel relief after the first day—and full effect after several days of regular once-a-day use. Use FLONASE every day as full effectiveness is usually achieved after 3 or 4 days of continuous use.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: recent nose problems (such as injury, ulcers, surgery), infections (including tuberculosis, herpes eye infection), certain eye problems (glaucoma, cataracts), liver disease.

No interactions were found between Advil Congestion Relief and Flonase. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

No interactions were found between Flonase and Tylenol. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

No interactions were found between Advil Cold and Sinus and Tylenol. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

take 1 tablet every 4 hours while symptoms persist. do not use more than 6 tablets in any 24-hour period unless directed by a doctor….Advil® Sinus Congestion & Pain.

Advil Cold And Sinus (Ibuprofen / Pseudoephedrine) Sudafed (Pseudoephedrine) relieves stuffy nose, but it could keep you up at night.