“Allergies cause sinus and nasal inflammation, which can cause headaches if severe,” said ... or diphenhydramine (Benadryl). Nasal steroid sprays can also be helpful, he said.

“Allergies cause sinus and nasal inflammation, which can cause headaches if severe,” said ... or diphenhydramine (Benadryl). Nasal steroid sprays can also be helpful, he said.

Could it be the start of a cold or a sinus ... of Allergy, Asthma & Immunology. The immune system responds to an allergen by releasing the chemical histamine. This can cause a headache, sneezing ...

The ingredient is found dozens of drugs, including Sudafed PE, Benadryl Allergy D Plus Sinus and Vicks DayQuil ... be given to children to help relieve pain from the congestion, he said.

But it also helps send signals between cells, which is part of why you have allergy symptoms ... decongestants with other medicines, such as pain relievers and/or antihistamines.

If sinus pressure from congestion is making you tired or causing other symptoms like a headache, you can treat it with over-the-counter allergy medications such as oral antihistamines, Dr. Yu said.

Benadryl Allergy Plus Congestion, Mucinex Sinus-Max, and Nyquil Severe Cold & Flu—are not effective at treating a stuffy nose. The vote was years in the making. In 2007, amid doubts, FDA ...

A Food and Drug Administration (FDA) advisory committee unanimously voted Tuesday that current scientific data does not support the use of the active ingredient in over-the-counter products like ...