Relieving symptoms of sinus congestion, pressure, runny nose, sneezing, and cough due to colds, upper respiratory infections, and allergies. It may also be used for other conditions as determined by your doctor.

Seradex liquid is an antihistamine, decongestant, and cough suppressant combination. The antihistamine works by blocking the action of histamine, which helps reduce symptoms such as watery eyes and sneezing. The decongestant promotes sinus and nasal drainage, which relieves congestion and pressure. The cough suppressant works in the brain to help decrease the cough reflex.

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  • Seradex
  • Constipation; diarrhea; dizziness; drowsiness; excitability; headache; loss of appetite; nausea; nervousness or anxiety; trouble sleeping; upset stomach; vomiting; weakness.

    Seek medical attention right away if any of these SEVERE side effects occur:
    Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; hallucinations; seizures; severe dizziness, lightheadedness, or headache; severe or persistent nervousness, restlessness, or trouble sleeping; tremor; vision changes.
  • Take Seradex liquid by mouth with or without food. Use a measuring device marked for medicine dosing. Ask your pharmacist for help if you are unsure of how to measure your dose. If you miss a dose of Seradex liquid, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.