A1,
A2,
B,
C1,
C2,
D,
E,
F,
G-H,
I-K,
L,
M,
N,
O,
P1,
P2,
Q-R,
S,
T,
U-V,
W-Z
Entex La Side Effects, and Drug Interactions - Guaifenesin and Phenylephrine
Entex La Side Effects, and Drug Interactions - Guaifenesin and Phenylephrine
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
DRUG INTERACTIONS
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 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:
Bromocriptine (Parlodel)
Mecamylamine (Inversine)
Methyldopa (Aldomet)
Reserpine (Diupres, Hydropres)
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