Search results
Results from the WOW.Com Content Network
Diphenhydramine, sold under the brand name Benadryl among others, is an antihistamine and sedative.It is a first-generation H 1-antihistamine and it works by blocking certain effects of histamine, which produces its antihistamine and sedative effects.
H 1-antihistamines work by binding to histamine H 1 receptors in mast cells, smooth muscle, and endothelium in the body as well as in the tuberomammillary nucleus in the brain. Antihistamines that target the histamine H 1-receptor are used to treat allergic reactions in the nose (e.g., itching, runny nose, and sneezing).
It is a first-generation antihistamine and works by blocking the histamine H 1 receptor. [2] Common side effects include sleepiness, restlessness, and weakness. Other side effects may include dry mouth and wheeziness. [2] Chlorpheniramine was patented in 1948 and came into medical use in 1949. [3] It is available as a generic medication and ...
The median lethal dose (LD 50) is estimated to be 50–500 mg/kg in humans. [34] Symptoms of overdose may include dry mouth, dilated pupils, insomnia, night terrors, euphoria, hallucinations, seizures, rhabdomyolysis, and death. [35] Fatalities have been reported from doxylamine overdose.
The recommended dose of Tylenol for adults is 325 to 650 milligrams every four to six hours. You should not have more than 3,000 to 4,000 milligrams of Tylenol in a span of 24 hours, recommends ...
[22] [better source needed] In humans, a significant dose has not yet been established in studies, and, by default, the Food and Drug Administration (FDA) has introduced contraindication guidelines regarding hydroxyzine. [22] Use by those at risk for or showing previous signs of hypersensitivity is also contraindicated. [22]
Ibuprofen, by comparison, works faster than naproxen. However, because ibuprofen’s effects wear off quicker, it needs to be taken more frequently throughout the day, she says.
Fexofenadine is used for relief from physical symptoms associated with seasonal allergic rhinitis and for treatment of hives, including chronic urticaria. [12] It does not cure, but rather prevents the aggravation of allergic rhinitis and chronic idiopathic urticaria, and reduces the severity of the symptoms associated with those conditions, providing relief from repeated sneezing, runny nose ...