Relieving symptoms associated with allergies, including sneezing, runny nose, itching, watery eyes, and nasal stuffiness. It may also be used for certain conditions as determined by your doctor.

Semprex-D is an antihistamine and decongestant combination. It works by blocking histamine at H1 receptor sites and causes vasoconstriction and shrinkage of the nasal mucous membranes, which helps to promote nasal drainage and relieve watery eyes, runny nose, and sneezing.

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  • Semprex-D
  • Dizziness; drowsiness; dry mouth; headache; nervousness; sleeplessness; sore throat.

    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); fast heartbeat; pounding in the chest.
  • Semprex-D may be taken with or without food. Swallow Semprex-D whole. Do not break, crush, or chew before swallowing. If you miss a dose of Semprex-D, 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.