Diphenhydramine is an antihistamine used to ease signs of allergy, hay fever, and also the common cold. These medical indications include rash, itching, watery eyes, itchy eyes/nose/throat, cough, runny nose, and sneezing. It's also used to prevent and treat nausea, vomiting and dizziness triggered by motion sickness. Diphenhydramine can also be used to simply help you relax and fall asleep.
This medicine works by blocking a certain normal substance (histamine) that your body makes during an reaction that is allergic. Its drying effects on such symptoms as watery eyes and runny nose are caused by blocking another natural substance made by your body (acetylcholine).
Cough-and-cold products have not been shown to be safe or effective in children younger than 6 years. Therefore, do not use this product to treat symptoms that are cold children younger than 6 years unless especially directed by the doctor. Some products (such as for instance long-acting tablets/capsules) are not suggested for use within children more youthful than 12 years. Pose a question to your pharmacist or doctor for more details about using your product safely.
The products do not cure or shorten the length of the common cold and may cause serious side effects. To decrease the risk for serious adverse effects, carefully follow all dosage directions. Do not use the product in order to make a young child sleepy. Do not give other medication that is cough-and-cold might contain the same or similar ingredients (see additionally medication Interactions section). Ask the medical practitioner or pharmacist about different ways to relieve cough and cold symptoms (such as for example consuming fluids that are enough using a humidifier or saline nose drops/spray).
DIFFERENT USES: This area contains uses of this drug that are not listed in the approved professional labeling for the drug but that could be prescribed by your quality of life care professional. Use this drug for a condition that is listed in this section just if this has been so prescribed by your health care professional.
Diphenhydramine is also used alone or with other medications to treat shaking (tremor) and muscle mass tightness caused by Parkinson's disease. It would likely also be used to treat side effects of certain drugs that are psychiatric as involuntary movements and muscle mass stiffness (such as EPS). It really works by blocking acetylcholine (See also Uses part).
Follow all directions on the product package. In the event your medical practitioner has prescribed this medication, just take it as directed. If you might be uncertain about any of the given information, check with your doctor or pharmacist.
Take the tablet, capsule, or form that is liquid mouth with or without food. Measure liquid forms of this medication using a measuring device/spoon that is special. Do not utilize a household spoon as you may not have the correct dose. You do not need to measure the dose if you have a single-dose form of this medication (such as a single-use whistle.
The rapidly-dissolving tablet or strip should be allowed to dissolve on the tongue and then swallowed, with or without water. The chewable tablets should be chewed thoroughly before being swallowed.
The dosage is founded on your age, medical problem, and a reaction to treatment. There are many brands and forms of diphenhydramine available. Read the dosing instructions carefully for each product because the amount of diphenhydramine might be different between products. Do not increase your dose or just take this medication more frequently than directed.
To stop movement sickness, take your dosage 30 minutes before beginning activity such as travel. To help you rest, just take your dose about 30 minutes before bedtime. If you keep up to have difficulty resting for longer than 2 weeks, contact your medical professional.
Inform your physician if your condition does perhaps not enhance or if it worsens.
Drowsiness, dizziness, constipation, belly upset, blurred eyesight, or dry mouth/nose/throat may occur. If any of the impacts persist or worsen, tell your pharmacist or doctor promptly.
To ease mouth that is dry suck (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water, or use a saliva substitute.
If your doctor has directed you to make use of this medication, keep in mind she has judged that the benefit to you is greater than the risk of side effects that he or. Many people using this medication do not have serious side effects.
Tell your doctor straight away if you have any severe side effects, including: mental/mood changes (such as restlessness, confusion), difficulty urinating, fast/irregular heartbeat.
Get medical help right away for those who have any very serious side effects, including: seizures.
A very serious allergic reaction to this drug is rare. However, get help that is medical away if you notice any signs of a significant allergic attack, including: rash, itching/swelling (especially regarding the face/tongue/throat), severe dizziness, difficulty respiration.
This is not a list that is complete of side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about unwanted effects. You might report effects that are side FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your physician for medical advice about negative effects. You may report effects that are side wellness Canada at 1-866-234-2345.
Before using diphenhydramine, tell your doctor or pharmacist if you are allergic to it; or to dimenhydrinate; or if you have any other allergies. This product may contain ingredients that are inactive which can cause allergic reactions or other problems. Talk to your pharmacist for lots more details.
Before making use of this medication, tell your doctor or pharmacist your medical background, particularly of: breathing problems (such as asthma, emphysema), high pressure within the eye (glaucoma), heart problems, raised blood pressure, liver condition, seizures, stomach/intestine problems (such as ulcers, obstruction), overactive thyroid (hyperthyroidism), difficulty urinating (for example, due to enlarged prostate).
This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision you can perform such activities safely until you are sure. Avoid beverages that are alcoholic.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription medications, and herbal services and products).
Fluid products, chewable tablets, or dissolving tablets/strips may contain sugar and/or aspartame. Liquid products may also contain alcohol. Caution is advised you to limit/avoid these substances in your diet if you have diabetes, liver disease, phenylketonuria (PKU), or any other condition that requires. Ask your pharmacist or doctor about by using this product properly.
Young ones may be more sensitive to your relative side effects of this drug. This drug can often cause excitement in young children as opposed to drowsiness.
Older adults may be more sensitive to the relative side effects of this drug, especially drowsiness, dizziness, confusion, constipation, or difficulty urinating. Drowsiness, dizziness, and confusion increases the danger of falling.
During pregnancy, this medicine is used only when demonstrably needed. Talk about the risks and benefits with your doctor.
This medication passes into breast milk and may have effects that are undesirable a nursing infant. Consult your doctor before breast-feeding.
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