This medicine is used for the following purposes:
- allergy symptoms
- stuffy nose
Generic Name: Diphenhydramine/Phenylephrine
Instructions
Drink the medicine.
Measure the dose of liquid medicine carefully. Use the measuring device that comes with the medicine. If you do not have one, please ask your pharmacist for help.
Take the medicine with 250 mL (1 cup) of water.
You may take with food to prevent stomach upset.
To relieve dry mouth, chew gum, suck on hard candy/ice chips, drink extra water, or use a saliva substitute.
Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.
Drink extra water while on this medicine. Adults should try to drink 6-8 cups (48 to 64 oz.) of water every day.
If you forget to take a dose on time, take it as soon as you remember. If it is almost time for the next dose, do not take the missed dose. Return to your normal schedule. Do not take 2 doses at one time.
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.
This medicine may affect your blood sugar levels. If you have diabetes, talk to your doctor before changing the dose of your diabetes medicine.
Do not take the medicine more than six times during 24 hours.
Cautions
This medicine is not recommended for use in children younger than 6.
Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.
It is very important that you carefully measure the amount of medicine you take. Your healthcare provider or pharmacist should show you the correct way to measure this medicine.
Do not use the medication any more than instructed.
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.
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.
- constipation
- dizziness or drowsiness
- headaches
- nausea
- stomach upset or abdominal pain
Call your doctor or get medical help right away if you notice any of these more serious side effects:
- changes in memory, mood, or thinking
- confusion
- hallucinations (unusual thoughts, seeing or hearing things that are not real)
- fast or irregular heart beats
- mood changes
- ringing in the ears
- seizures
- 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.
IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice.
There is a more complete description of this medicine available in English. Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist.
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More information about ANTIHISTAMINES/DECONGESTANTS - ORAL
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Selected from data included with permission and copyright by First DataBank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.
Conditions of Use: The information in this database is intended to supplement, not substitute for the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express Terms of Use.
