The person who wrote to you had hypertension. The blood pressure medicine reacted badly with the phenylephrine in Preparation H, and the person fainted. Is there a natural alternative to Preparation H ...

The problem is, the rest of us haven't necessarily gotten the message. It’s called phenylephrine, and it’s found in a lot of ...

The ingredient is called phenylephrine, and it was only found to only be effective in nasal sprays, not oral medications. Here’s what phenylephrine is, a list of medications it’s found in and ...

We now have compelling convincing evidence that oral phenylephrine is ineffective at relieving symptoms of nasal congestion. I feel that this drug and this oral dose shouldn't, um, should have ...