Diphenhydramine is classified as a nonselective first-generation antihistamine with significant sedating and anticholinergic properties.1Although approved by the FDA as an antitussive, diphenhydramine is not considered a first-line antitussive; it is found in many cold and allergy products, along with o...
Potential hazards: Although it's a nondrowsy formula, the antihistamine may still have a sleepy effect on some people, so take it for a test-drive before you decide to hit the road (i.e., operate heavy machinery!). Mucinex-D What it treats: Sweeps out congestion in your nasal and sin...
Antihistamine DIs -avoid other medications with anticholinergic side effects-avoid other CNS depressants with 1st gen antihistamines (alcohol, opioids, benzos, etc) Constipation -High fiber diet, adequate fluid intake, and exercise will prevent and resolve most constipation-Drugs that cause constipation:...