Generic name: Diphenhydramine
Pregnancy & Lactation: Risk data not available
What is Altaryl?
Diphenhydramine is an antihistamine that is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms.
Diphenhydramine is also used to treat motion sickness, to induce sleep, and to treat certain symptoms of Parkinson's disease. Diphenhydramine sleep aid medicine is not for use in children younger than 12 years old.
There are many brands and forms of diphenhydramine available. Not all brands are listed on this leaflet.
Diphenhydramine may also be used for purposes not listed in this medication guide.
Warnings
You should not use diphenhydramine if you are allergic to it.
Ask a doctor before using this medicine if you are pregnant or breastfeeding. Diphenhydramine may slow breast milk production.
Ask a doctor or pharmacist if this medicine is safe to use if you have ever had:
- an enlarged prostate or urination problems;
- asthma, chronic obstructive pulmonary disease (COPD), or other breathing disorder;
- glaucoma; or
- a thyroid disorder.
How should I use Altaryl
Use Altaryl (Oral) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Use exactly as directed on the label, or as prescribed by your doctor. Diphenhydramine is only for short-term use until your symptoms clear up.
For motion sickness, take diphenhydramine 30 minutes before you will be in a situation that causes you motion sickness (such as a long car ride, airplane or boat travel, amusement park rides, etc). Continue taking diphenhydramine with meals and at bedtime for the rest of the time you will be in a motion-sickness situation.
As a sleep aid, take diphenhydramine within 30 minutes before bedtime.
You must chew the before you swallow it. chewable tablet
Measure carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon). liquid medicine
Remove an from the package only when you are ready to take the medicine. Place the tablet in your mouth and allow it to dissolve, without chewing. Swallow several times as the tablet dissolves. orally disintegrating tablet
Do not use diphenhydramine for longer than 2 weeks to treat sleep problems, or longer than 7 days to treat cold or allergy symptoms.
This medicine can affect the results of allergy skin tests. Tell any doctor who treats you that you are using diphenhydramine.
Taking too much diphenhydramine can lead to serious heart problems, seizures, coma, or death.
Always follow directions on the medicine label about giving diphenhydramine to a child. Death can occur from the misuse of antihistamines in very young children. Do not use the medicine only to make a child sleepy.
Call your doctor if the condition you are treating with diphenhydramine does not improve, or if you have a fever with a headache, cough, or skin rash.
Store at room temperature away from moisture and heat.
Since diphenhydramine is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. use two doses at one time. Do not
Altaryl side effects
Get emergency medical help if you have : hives; difficult breathing; swelling of your face, lips, tongue, or throat. signs of an allergic reaction
Stop using diphenhydramine and call your doctor at once if you have:
Side effects such as dry mouth, constipation, and confusion may be more likely in older adults.
- severe drowsiness; or
- painful or difficult urination.
- drowsiness;
- dry eyes, blurred vision;
- dry mouth, nose, or throat;
- decreased urination;
- constipation;
- feeling restless or excited (especially in children); or
- day-time drowsiness or "hangover" feeling after night-time use.
Common side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect Altaryl?
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.
Drinking alcohol can increase certain side effects of diphenhydramine.
Ask a doctor or pharmacist before using any other medicine that may contain diphenhydramine. This includes medicines for sleep, cold/allergy symptoms, or anti-itch medicine used on the skin. Using too much diphenhydramine may lead to a fatal overdose.