"What is Pneumococcal Disease?
Infection with Streptococcus pneumoniae bacteria can make children very sick.
It causes blood infections, pneumonia, and bacterial meningitis, mostly in young children. (Meningitis is an infe"...
- Patient Information:
Details with Side Effects
Possible adverse reactions include nervousness, insomnia, restlessness, headache, nausea, or gastric irritation. These reactions seldom, if ever, require discontinuation of therapy. Urinary retention may occur in patients with prostatic hypertrophy.
Side effects may include:
Anxiety, convulsions, depression, difficulty breathing, difficulty urinating (in men with an enlarged prostate), hallucinations, headache, inability to sleep or difficulty sleeping, increased heart beat, irritability, irritated stomach, nausea, nervousness, paleness, palpitations, restlessness, tremor, weakness, vomiting
Read the Entex La (guaifenesin and phenylephrine) Side Effects Center for a complete guide to possible side effects
Phenyephrine HCl w/guaifenesin long acting tablets should not be used in patients taking monoamine oxidase inhibitors or other sympathomimetics.
Do not take Entex LA (guaifenesin and phenylephrine) if you are taking a medication classified as an MAO inhibitor, including the antidepressants Nardil and Parnate. Avoid other stimulating drugs such as Proventil, Ventolin, and many decongestants. Interactions can also occur with the following:
Reserpine (Diupres, Hydropres)
Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.
Additional Entex La Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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