Weekdays 6 AM - 8 PM Weekends 7 AM-5 PM PST

Your prescription - Your Choice

Choose either the B (Brand) or the G (Generic) alternative below:
  • Step 1.

(Diphenhydramine - non Rx)

Formulation : Tablet

symbol_rx Non-prescription

No Generic Alternative Available

No generic alternative is available for this drug.

What is Unisom /Diphenhydramine - non Rx used for?

Unisom is used as a treatment for patients with difficulty falling asleep.

How should Unisom /Diphenhydramine - non Rx be stored?

Store Unisom in a cool, dry location. Protect this medication from light and keep all medications out of the reach of children.

General information

This medication should only be used by prescribed patient, do not give it to other people. The information provided is advisory only and does not contain all information pertaining to this medication. Talk to your doctor, pharmacist, or health care provider for question about this medication.

How should I take Unisom/Diphenhydramine - non Rx ?

Take Unisom exactly as it was prescribed to you. If you have any questions or concerns about the amount and/or regularity in which you should take this medicine, talk with your health care provider. Do not discontinue taking this medicine without first consulting your health care provider. All patients should inform their health care provider of any previous conditions before taking this medicine. Do not take any other over-the-counter or prescription medications without talking with your health care provider.

When should Unisom /Diphenhydramine - non Rx not be taken?

If you have any allergies to the ingredients listed on the bottle, or similar medications do not take Unisom. If you are taking oxybase, or have taken monoamine oxidase (MAO) inhibitor (eg, phenelzine) in the past 14 days.

What precautions should I follow when taking Unisom /Diphenhydramine - non Rx ?

You should inform your doctor if you are pregnant, planning to become pregnant, breastfeeding, taking any other medications with Unisom, have any allergies, are asthmatic, have chronic obstructive pulmonary disease (COPD), chronic bronchitis, emphysema, lung disease, shortness of breath, or sleep apnea. There are a few medications which may interfere with Unisom so also please inform your doctor of other medications you are taking no matter how trivial they may seem.

What special warning(s) should I be aware of when taking Unisom /Diphenhydramine - non Rx ?

Do not use this medication for long periods of time. Check with a medical professional if you have any questions regarding this medication. Do not stop the use of this medication without first talking to your doctor. Unisom may cause drowsiness or dizziness. Be cautious when participating in activities which require you to be aware. It is recommended not to consume alcohol with Unison as it can increase the severity of the side effects associated with Unisom.

When should Unisom /Diphenhydramine - non Rx not be taken?

Severe: Severe allergic reactions; convulsions; lack of alertness; easily excited; quickened heartbeat; hallucinations; tension or thumping in the chest; tremor; breathless.

Common: Dizziness; sleepiness; dry mouth, throat, and nose; thickening of mucus in nose or throat.

Other: None.

DoctorSolve disclaimer