Diphenhydramine Oral : Uses, Side Effects, Interactions
Diphenhydramine is an antihistamine that is used to remove allergy, o fever and common cold symptoms. These symptoms include rash, itching, water eyes, itching eyes / nose / throat, cough, nose bleeding and sneezing. It is also used for the prevention and treatment of nausea, vomiting and dizziness caused by motion sickness. Diphenhydramine can also be used to help you relax and sleep.
This drug works by blocking a certain natural substance (histamine) that makes your body during an allergy reaction. Its dryness on symptoms like water eyes and runny nose is due to blocking another natural substance created by your body (acetylcholine).
Cold and cold products are not shown safe or effective in children under 6 years of age. Therefore, do not use this product to treat cold symptoms in children younger than 6 years, unless specifically directed by the doctor. Some products (such as long-acting pills / capsules) are not recommended for use in children under 12 years of age. Ask your doctor or pharmacist for more information about using your product safely.
These products do not reduce the length of the normal winter nor can cause serious side effects. To reduce the risk of serious side-effects, follow all the dosage instructions carefully. Do not use this product to bring a child to sleep. Do not cure other cough-and-cold medicines that may have the same or similar content (see also drug interaction section). Ask the doctor or pharmacist about other ways to cure cough and cold symptoms (like drinking enough liquids, using humidifier or drilling droplets / spray of saline nose).
How to Use Diphenhydramine HCL
Follow all the instructions on the product package. If your doctor has prescribed this medicine, then take it as a guideline. If you are unsure about any information, consult your doctor or pharmacist.
Take a tablet, capsule, or liquid in the form of food with or without mouth. Measure the liquid forms of this drug by using a special measuring device / spoon. Do not use domestic spoon because you can not get the right dose. If you have a single-dose form of this medicine (like single-use whistles), then you do not need to measure the dose.
A fast dissolving tablet or bandage should be dissolved on the tongue and should be swallowed with water or without. Chewable pills should be chewed well before swallowing.
Dosage is based on the reaction of your age, medical condition and treatment. Various brands and forms of Diphenhydramine are available. Read the dosage instructions for each product carefully as the amount of Diphenhydramine may vary between products. Do not increase your dose or take this medicine more often than directed.
To stop motion sensation, take your dose 30 minutes before starting activity like travel. To help you sleep, take your dose approximately 30 minutes before sleeping. If you have difficulty sleeping for more than 2 weeks, contact your doctor.
Tell your doctor if your condition does not improve or if it worsens.
Sleepiness, dizziness, constipation, abdominal stomach, blurred vision or dry mouth / nose / throat can occur. If any of these effects persists or worsens, tell your doctor or pharmacist immediately.
To relieve the dry mouth, (without sugar) suck hard candies or ice chips, chew gum (sugar-free), drink water, or use the saliva option.
If your doctor has directed you to use Diphenhydramine, remember that he or she has decided that the benefit is higher than the risk of side effects. Many people using this drug do not have serious side effects.
Tell your doctor immediately if you have a serious side effect, including: Changes in mental / mood (such as uneasiness, confusion), difficulty in urinating, fast / irregular heartbeat
If you have a serious side effect, get medical help, including: seizures.
A very serious allergic reaction to this drug is rare. However, if you see symptoms of a serious allergic reaction, get medical help immediately, including: granular, itching / swelling (especially the face / tongue / throat), severe dizziness, shortness of breath
This is not a complete list of possible side effects. If you do not list other effects above, contact your doctor or pharmacist.
In the US – Call your doctor for medical advice about side effects. You can notify the FDA of side effects on 1-800-FDA-1088 or www.fda.gov/medwatch.
In Canada – Call your doctor for medical advice about side effects. You can report the health effects of Canada on 1-866-234-2345.
Before taking the diphenhydramine, tell your doctor or pharmacist whether you are allergic to it; Or to dimenhydrinate; Or if you have any other allergens. This product may contain passive elements, which may cause allergic or other problems. Talk to your pharmacist for more details.
Before using Diphenhydramine, tell your doctor or pharmacist your medical history, especially: problems in breathing (such as asthma, emphysema), high pressure (cataracts) in the eye, heart problems, high blood pressure, liver disease , Seizures, stomach: problems of intestinal problems (such as ulcers, blockage), overactive thyroid (hyperthyroidism), difficulty in urinating (for example, due to increased prostate).
This medication can make you dizzy or depress you or blur your vision. Alcohol or marijuana can make you more dizzy or deaf. Unless you can safely do it, do not drive, use machinery, or do anything that requires caution or clear vision. Avoid alcoholic beverages. If you are using marijuana, talk to your doctor.
Before surgery, tell your doctor or dentist about all the products that you use (including prescription drugs, nonprescription drugs and herbal products).
Liquid products, chewing tablets, or breakable pills / strips can contain sugar and / or aspartame. Liquid products can also contain alcohol. If you are advised of diabetes, liver disease, phenylketonuria (PKU), or any other condition, then you need to limit / prevent these substances in your diet. Ask your doctor or pharmacist about using this product safely.
Children may be more sensitive towards the side effects of this drug. This medicine can often cause stimulation in younger children rather than drowsiness.
Older adults may be more susceptible to the side effects of this drug, especially in terms of drowsiness, dizziness, confusion, constipation, or urination. The risk of drowsiness, dizziness and fall in confusion can increase.
During pregnancy, Diphenhydramine should be used only when explicitly necessary. Discuss the risks and benefits with your doctor.
This medicine passes in breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breastfeeding.
Drug interactions can change how your medicines work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescriptions / non-prescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop or change any drug supplements without the approval of your doctor.
Tell your doctor or pharmacist whether you are taking other products, such as opiate pain or cough relief substances (such as codeine, hydrocodone), alcohol, marijuana, sleep or anxiety medications (e.g, alprazolam, lorazepam, zolpidem) Due to relaxing muscles, drowsiness causes. (Such as carisoprodol, cyclobenzaprine), or other antihistamines (such as cetirizine, chlorpheniramine).
Check the label on all your drugs (like allergy or cough-and-cold products), because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.
Diphenhydramine can interfere with some laboratory tests (including allergic skin testing), which may lead to incorrect test results. Ensure that the lab staff and all your doctors know that you use this medicine.
If someone is treated and has serious symptoms such as difficulty in getting out or breathing, call 911. Otherwise, call the Poison Control Center immediately. American residents can call their local venom control center at 1-800-222-1222. Canadians can call a provincial poison control center. Symptoms of overdose may include: severe drowsiness, seizures, wide pupil. In children, changes in mental / mood (such as uneasiness, irritability, hallucinations) can occur before drowsiness.
Keep all regular medical and laboratory appointments.
If you miss a dose, then as soon as you remember it, take it. If this is near your next dose time, then leave the thesis dose. Take your next dose at regular times. Do not double the dose to catch up.
Store moisture and light away at room temperature. Do not store in the bathroom. Do not freeze liquid forms of this medication. Keep all medications away from children and pets.
Until instructed to do so, do not flush the medicines under the toilet or drain them in the drain. When this period expires or is not required, leave this product appropriately. Consult your pharmacist or local waste disposal company.
Disclaimer: DrLinex has made every effort to ensure that all information is factually accurate, comprehensive and up-to-date. However, this article should not be used as a licensed health care professional’s choice of knowledge and expertise. You should always consult your doctor or other health care professional before taking any medication. The information given here is subject to change and it has not been used to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions or adverse effects. The lack of warning or other information for any drug does not indicate that the combination of medicine or medication is safe, effective or appropriate for all patients or all specific uses.