Relieving sneezing, runny nose, and watery eyes due to colds, flu, or hay fever. It may also be used for other conditions as determined by your doctor.

AlleRx DF is an antihistamine and anticholinergic combination. It works by blocking a substance in the body that causes sneezing, runny nose, and watery eyes. It also dries the nose and chest.

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  • AlleRx DF and RespiVent DF
  • Blurred vision; change in appetite; constipation; dizziness; drowsiness; dry mouth; fast heartbeat; nausea; nervousness; ringing in the ears; stomach upset or pain; sun sensitivity; trouble sleeping.

    Seek medical attention right away if any of these SEVERE side effects occur while taking chlorpheniramine / methscopolamine:
    Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); confusion; difficulty urinating; fainting or feeling faint; fever; flushing; hallucinations; seizures; severe clumsiness; severe drowsiness; shortness of breath; sore throat; unusual bruising or bleeding; unusual tiredness or weakness.
  • (pseudoephedrine hydrochloride, phenylephrine hydrochloride, chlorpheniramine maleate, methscopolamine nitrate) tablets