The second-generation antihistamines. What makes them different?Physicians often are faced with the decision of whether to prescribe a drug for its positive therapeutic effects or avoid prescribing it because of unacceptable side effects. This dilemma can sometimes be eased by keeping current on new ...
and eye drops that work best on hay fever symptoms like runny nose, sneezing, and itchy eyes and skin. Options include cetirizine, fexofenadine, and loratadine. These are often preferable to older products (your doctor may call them first-generation antihistamines), which typically cause drowsiness...
Second-generation H1-antihistamines are new drugs that are much more selective for peripheral H1 receptors than central nervous system H1 receptors and cholinergic receptors. This selectivity decreases the risk of adverse drug reactions significantly, such as sedation, while ensuring adequate relief of al...
Promethazine hydrochloride (English: Promethazine, also known as Promethazine Hydrochloride or Phenergan) is a common cough medicine. It is a first-generation antihistamine drug that can compete with antihistamines. Blocks histamine H1 receptors, antagonizes telangiectasia caused by histamine and reduces thei...
Hepatotoxicity. Unlike most first generation antihistamines, cyproheptadine has been associated with severalinstances of clinically apparent liver injury. The few cases that have been described had a time to onset of 1 to 6 weeks and a cholestatic or mixed pattern of liver enzyme elevations. ...
Beta-blockers, first-generation antihistamines, and other drugs target the physical symptoms associated with the anxiety disorder. In anxiety disorders, the best treatment is as recommended by the doctor after several deliberations. Antidepressants ...
Fexofenadine and Cetirizine are both antihistamines; Fexofenadine is less likely to cause drowsiness, while Cetirizine can be more sedating but may work faster.
We have come a long way from the first generation antihistamines (antazoline and pheniramine) of the 1950s and 1960s to the combination antihistamine/mast cell stabilizer medications that are most often prescribed today. There have been some very notable recent devel...
To help relieve a runny nose, itchy and watery eyes, and sneezing associated with the common cold, antihistamines may be considered.First-generation antihistamines including brompheniramine, chlorpheniramine, and clemastine, are preferred over the second-generation antihistamines in the management of these...
First-generation antihistamines (i.e. Benadryl) Second-generation antihistamines (i.e. Zyrtec, Claritin, Allegra) It has been my experience through practice personally and professionally that you will often times have to switch from one antihistamine to another to get the best relief. ...