Q:

Does Sudafed make you drowsy?

A:

Quick Answer

Sudafed does not cause drowsiness. In fact, one common side effect of its active ingredient, psuedoephedrine, is trouble sleeping; doctors recommend that one avoid taking Sudafed close to bedtime to avoid this.

Continue Reading
Does Sudafed make you drowsy?
Credit: comedynose CC-BY-2.0

Full Answer

Sudafed can make sleeping difficult because it acts upon the same receptor systems that are responsible for the human fight-or-flight result. This causes the constriction of blood vessels in the nose, which helps with congestion, but it also leads to wakefulness. Since many antihistamines cause drowsiness, doctors often recommend Sudafed and other drugs that contain pseudoephedrine as alternatives for people who suffer from allergies and wish to remain alert.

Learn more about Drug Interactions

Related Questions

  • Q:

    Is it safe to take Advil and Sudafed together?

    A:

    According to Drugs.com, Advil and Sudafed are brand names for ibuprofen and pseudoephedrine and may usually be taken together safely. However, there are many potential interactions between this combination and other medications to be aware of.

    Full Answer >
    Filed Under:
  • Q:

    Can I take ibuprofen and Sudafed together?

    A:

    It's usually permissible to take both ibuprofen and Sudafed, a brand name for pseudoephedrine, says Drugs.com. People who have taken an MAO inhibitor in the past two weeks should not take these two drugs. Ibuprofen and Sudafed are used in combination to treat sinus congestion, stuffy nose, pain and fever.

    Full Answer >
    Filed Under:
  • Q:

    What is the difference between Sudafed and Sudafed PE?

    A:

    According to Sudafed.com, Sudafed uses pseudoephedrine as a nasal decongestant, while Sudafed PE uses phenylephrine or PE. Because pseudoephedrine is used illegally to make meth, the original Sudafed formula is federally regulated and can only be purchased at a pharmacy or service counter while Sudafed PE can be purchased without such restrictions and is usually found on the cold and allergy aisle.

    Full Answer >
    Filed Under:
  • Q:

    Can you drink alcohol while taking Penicillin VK?

    A:

    According to the Mayo Clinic, alcohol and antibiotics, including penicillin, have similar side effects, such as upset stomach, dizziness and drowsiness, that can overlap and become more unpleasant when taken together. Alcohol does not, however, reduce the potency of most antibiotics.

    Full Answer >
    Filed Under:

Explore