Entex-PSE Side Effects, and Drug Interactions - Pseudoephedrine and Guaifenesin

Entex-PSE Side Effects, and Drug Interactions - Pseudoephedrine and Guaifenesin

SIDE EFFECTS

Gastrointestinal: nausea and vomiting.

Central Nervous System: nervousness, dizziness, sleeplessness, lightheadedness, tremor, hallucinations, convulsions, CNS depression, fear, anxiety, headache, increased irritability or excitement.

Cardiovascular: palpitations, tachycardia, cardiovascular collapse and death.

General: weakness.

Respiratory: respiratory difficulties.

DRUG INTERACTIONS

MAO inhibitors and beta adrenergic blockers increase effects of sympathomimetics. Sympathomimetics may reduce the antihypertensive effects of methyldopa, guanethidine, mecamylamine, reserpine and veratrum alkaloids.