Diphenhydramine/Phenylephrine Oral Tablet (ANTIHISTAMINES/DECONGESTANTS - ORAL)

Diphenhydramine/Phenylephrine Oral Tablet (ANTIHISTAMINES/DECONGESTANTS - ORAL)

This medicine is used for the following purposes:

  • allergy symptoms
  • stuffy nose

Generic Name: Diphenhydramine/Phenylephrine

Instructions

Take the medicine with 250 mL (1 cup) of water.

You may take with food to prevent stomach upset.

Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Cautions

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Do not use the medication any more than instructed.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Please check with your doctor before drinking alcohol while on this medicine.

Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

  • agitated feeling or trouble sleeping
  • constipation
  • dizziness or drowsiness
  • dry mouth
  • dry nose
  • headaches
  • high blood pressure
  • nausea and vomiting
  • stomach upset or abdominal pain

Call your doctor or get medical help right away if you notice any of these more serious side effects:

  • shallow, irregular breathing
  • changes in memory, mood, or thinking
  • hallucinations (unusual thoughts, seeing or hearing things that are not real)
  • fast or irregular heart beats
  • mood changes
  • seizures
  • shakiness
  • difficulty or discomfort urinating
  • blurring or changes of vision

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.

Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.