WebNov 11, 2024 · Phenylephrine is a synthetic drug that acts as a direct agonist of alpha-adrenergic receptors, while pseudoephedrine is a natural drug that acts as an indirect agonist of these receptors. Phenylephrine is more effective than pseudoephedrine at reducing congestion, but it can also cause more side effects such as anxiety, headache, … WebPhenylephrine is a selective α 1 -adrenergic receptor agonist which results in the constriction of both arteries and veins. [2] Phenylephrine was patented in 1927 and came into medical use in 1938. [4] It is available as a generic medication. [3] Unlike pseudoephedrine, abuse of phenylephrine is very uncommon.

What Sudafed Is Behind The Pharmacy Counter? - [Answer Found]

WebOverview. Day & night congestion tablets to temporarily relieve sinus congestion & pressure. Decongestant tablets are made with phenylephrine HCl & diphenhydramine HCl to help alleviate sneezing & itchy nose. … WebJan 13, 2010 · Both pseudoephedrine and phenylephrine are decongestants used to treat nasal congestion due to allergies, colds, sinus infections, etc. Since pseudoephedrine … fcfaconvert

Chlorpheniramine and phenylephrine - Drugs.com

WebSince phenylephrine acts only on α1-adrenergic receptors, it only helps in relieving the nasal congestion. Hence, we see that pseudoephedrine is a better choice as a decongestant, but as it belongs to the class of … WebFeb 1, 2024 · For nasal or sinus congestion: For regular (short-acting) oral dosage form (capsules, oral solution, syrup, or tablets): Adults and children 12 years of age and older—60 milligrams (mg) every four to six hours. Do not take more than 240 mg in twenty-four hours. Children 6 to 12 years of age—30 mg every four to six hours. WebPseudoephedrine (Sudafed) and phenylephrine (Sudafed PE) are both taken by mouth to treat nasal congestion. The main difference is that pseudoephedrine (Sudafed) has to be purchased at the pharmacy … fcf8-20-01-l