Skip to main content

Diphenhydramine Oral Tablet (DIPHENHYDRAMINE - ORAL)

This medicine is used for the following purposes:

  • allergic reaction
  • allergy symptoms
  • coughing
  • motion sickness
  • nausea and vomiting
  • Parkinson's disease
  • skin inflammation
  • sleeping

Brand Name(s): Banophen, Benadryl, Nytol, Rest Simply, Simply Sleep, Sominex, Twilite, Wal-Dryl Allergy, Wal-Sleep Z

Generic Name: Diphenhydramine

Instructions

This medicine may be taken with or without food.

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

Drink plenty of water while on this medicine.

This medicine can make you sensitive to the sun. Use sunscreen or protective clothing when in sun.

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.

Tell your doctor if symptoms do not get better or if they get worse.

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.

This medicine may cause dizziness or fainting, especially after exercising or in hot weather. Be very careful when standing or sitting up quickly.

If possible, avoid using with alcohol, marijuana, or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.

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.

Call the doctor if there are any signs of confusion or unusual changes in behavior.

This medicine passes into breast milk. Ask your doctor before breastfeeding.

During pregnancy, this medicine should be used only when clearly needed. Talk to your doctor about the risks and benefits.

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.

  • blurry vision
  • constipation
  • dizziness or drowsiness
  • dry mouth

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

  • confusion
  • fast or irregular heart beats
  • mood changes
  • seizures
  • difficulty or discomfort urinating

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.

 
 

PeaceHealth endeavors to provide comprehensive health care information, however some topics in this database describe services and procedures not offered by our providers or within our facilities because they do not comply with, nor are they condoned by, the ethics policies of our organization.