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Nasal congestion. Pseudoephedrine is a sympathomimetic and is well-known for shrinking swollen nasal mucous membranes, so it is often used as a decongestant. It reduces tissue hyperemia, edema, and nasal congestion commonly associated with colds or allergies.
Pseudoephedrine is an alpha-adrenergic receptor agonist that enacts a vasoconstrictive effect to reduce airflow resistance in the nasal cavity and allow easier breathing by relieving a stuffy or congested nose. When taken in early trimesters, there has been limited evidence to associate pseudoephedrine with birth defects.
Ephedrine is a central nervous system (CNS) stimulant and sympathomimetic agent that is often used to prevent low blood pressure during anesthesia. [ 11 ] It has also been used for asthma, narcolepsy, and obesity but is not the preferred treatment. [ 11 ] It is of unclear benefit in nasal congestion. [ 11 ]
Fexofenadine, sold under the brand name Allegra among others, [10] is an antihistamine pharmaceutical drug used in the treatment of allergy symptoms, such as hay fever and urticaria. [11] Therapeutically, fexofenadine is a selective peripheral H 1 blocker.
It contains fexofenadine, as the hydrochloride, an antihistamine; and pseudoephedrine, as the hydrochloride, a nasal decongestant. [ 2 ] In 2021, it was the 279th most commonly prescribed medication in the United States, with more than 800,000 prescriptions.
Pregnancy Category. Australian categorisation system for prescribing medicines in pregnancy. A. Drugs which have been taken by many pregnant women and women of childbearing age without an increase in the frequency of malformations or other direct or indirect harmful effects on the fetus having been observed.
Promethazine has a variety of medical uses, including: For nausea and vomiting associated with anesthesia or chemotherapy. It is commonly used postoperatively as an antiemetic. The antiemetic activity increases with increased dosing; however, side effects also increase, which often limits maximal dosing.
A Clarinase Repetab tablet contains 5 mg loratadine in the tablet coating and 120 mg pseudoephedrine sulfate equally distributed between the tablet coating and the barrier-coated core. The two active components in the coating are quickly liberated; release of pseudoephedrine in the core is delayed for several hours.
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