Then, pyridoxine hydrochloride, 25 to 50 mg. by mouth, was added for three to seven days, and the tryptophan load was repeated. The increased excretion of xanthurenic acid that followed ...

In a long-sought move, the US Food and Drug Administration on Thursday formally began the process of abandoning oral doses of a common over-the-counter decongestant that the agency concluded last ...

The US Food and Drug Administration announced a proposal to remove oral phenylephrine – a common ingredient in many popular over-the-counter decongestants – from the market, citing evidence ...

The Food and Drug Administration announced Wednesday that it would seek to pull a widely used ingredient in cough and cold medicines from the market, after the agency's scientists concluded that ...

With flu season in full swing, finding effective medications to help with pesky symptoms is key in figuring out how to recover from the flu faster. There are plenty of cold and flu medications on ...

THURSDAY, Nov. 7, 2024 (HealthDay News) -- More than a year after its advisory panel unanimously declared the drug phenylephrine to be useless against nasal congestion, the U.S. Food and Drug ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. The FDA has proposed removing phenylephrine, a ...