most common side effects of taking antihistamines
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- Antihistamine and Drowsiness. The most common side effect of an antihistamine is drowsiness. Antihistamines such as diphenhydramine and chlorpheniramine are more likely to cause drowsiness than any of the newer antihistamines available. This unwanted side effect of drowsiness occurs less frequently with the newer antihistamines such as citrizine, desloratadine, fexofenadine and loradtadine.
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- Common uses include short term treatment of symptoms of the common cold, seasonal allergic rhinitis (hay fever), motion sickness, nausea, vertigo, cough, urticaria, pruritus and anaphylaxis. The sedating antihistamines are also used as mild sleeping aids and to alleviate tension and anxiety.
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Antihistamines Side effects of antihistamines. Like all medicines, antihistamines can cause side effects. Side effects of older types of antihistamines can include: sleepiness (drowsiness) and reduced co-ordination, reaction speed and judgement – don't drive or use machinery after taking these antihistamines because of this risk.
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Decongestants & Antihistamines for the Common Cold The main one for antihistamines is drowsiness, so it can be tough to take during the day. That's why they're often included in nighttime cold medicines. Other common side effects include dry mouth, dizziness, and headache.
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- Common side effects of antihistamine sleeping pills. 1  Moderate to severe drowsiness the next day. 2  Dizziness and forgetfulness. 3  Clumsiness, feeling off balance.  Constipation and urinary 1  retention. Blurred vision.  Dry mouth and 1  throat. Nausea.
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- Adverse effects of antithyroid medications. The most common adverse effects of antithyroid drugs are allergic reactions manifesting as fever, rash, urticaria, and arthralgia, which occur in 1-5% of patients, usually within the first few weeks of treatment.
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Difference Between Cetirizine and Loratadine Loratadine is being marketed under several trade names. Perhaps the most popular brand is Claritin. For Cetirizine, one of its trade names is Zyrtec. The most common Loratadine side effects are oral sores, restlessness, headaches, and nervousness.As mentioned previously, Cetirizine can induce more sleepiness and may even lead to mild discomfort or difficulty in breathing.bout 12% more patients have reported drowsiness in using Cetirizine than when using Loratadine. In terms of the chemical content, the two antihistamines differ because Loratadine has 22 atoms of carbon, 23 hydrogen, 1 chlorine, 2 oxygen, and 2 nitrogen atoms which are structured into several branches.
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Allergic Rhinitis 1 Drowsiness occurs in about 10% of adults and in 2 - 4% of children. 2  The nasal spray forms of second-generation antihistamines cause more drowsiness than the pill forms. 3  Uncommon side effects include rapid heart beat and chest tightness.
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My body began itches after I began using Simvastatin-a cholesterol medicineUmit Jul 30, 2008 Hi, Simvastatin is generally well-tolerated and side effects are rare. Minor side effects include constipation, diarrhea, fatigue, gas, heartburn, and headache. Major side effects include abdominal pain or cramps, blurred vision, dizziness, easy bruising or bleeding, itching, muscle pain or cramps, rash, and yellowing of the skin or eyes. ref:http://www.medicinenet.com/simvastatin/article.htm This could be an allergic reaction to the drug. It will stop if the drug is withdrawn.
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Why Do Antihistamines Make You Drowsy? View full size image. Drowsiness is one of the major side effects of some antihistamines, such as diphenhydramine (Benadryl) and doxylamine succinate (the antihistamine found in Nyquil). And because of their powerful sedating qualities, antihistamines are also the active ingredients found in numerous over-the-counter sleep aids.
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Resources Anticholinergic drugs-these drugs can cause side effects such as confusion, hallucinations, sleepiness, blurred vision, difficulty urinating, dry mouth and constipation in older adults. Antihistamines-drugs that are typically prescribed for allergies, hives and eczema: These drugs cause many side effects in older adults, including confusion, drowsiness, blurred vision, difficulty urinating, dry mouth and constipation. Safer medications are available. Avoid Use of diphenhydramine in special situations-such as for treating severe allergic reactions-may be appropriate.
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Varenicline Mild nausea is the most common side effect and is seen in approximately 30% of people taking varenicline though this rarely (<3%) results in discontinuation of the medication. Other less common side effects include headache, difficulty sleeping, and nightmares.
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- Nonserious Side Effects. Some people taking albuterol may experience side effects such as a sore or dry throat, headaches, nausea, vomiting, difficulty sleeping, a sinus infection, dizziness, tremors and nervousness.None of these side effects is serious, but inform your doctor if they become bothersome. BananaStock/BananaStock/Getty Images.Serious Side Effects. In rare cases, people taking albuterol may develop serious side effects that indicate a potential complication requiring medical treatment.one of these side effects is serious, but inform your doctor if they become bothersome. BananaStock/BananaStock/Getty Images. Serious Side Effects. In rare cases, people taking albuterol may develop serious side effects that indicate a potential complication requiring medical treatment.
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Benadryl Side Effects Common Side Effects of Benadryl. The most common Benadryl side effect is drowsiness. At least 1 percent of all patients taking Benadryl report some level of drowsiness. In most cases, this does not impact the patient's ability to function. It can, however, lead to a lack of focus or other issues that may have an effect on daily activities.
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- Antihistamines can cause side effects, and some cause more side effects than others. Drugs such as Benadryl, Chlor-Trimeton, and Tavist and belong to an older group known as first-generation antihistamines.
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- Some of the main side effects of antihistamines include: Dry mouth; Drowsiness; Dizziness; Nausea and vomiting; Restlessness or moodiness (in some children) Trouble peeing or not being able to pee; Blurred vision; Confusion; If you take an antihistamine that causes drowsiness, do so before bedtime. Don’t take it during the day before you drive or use machinery.
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- Side effects of Benadryl Once Daily Allergy Tablets: The tablets can have side effects, although these don’t affect everyone and are usually mild. If you experience convulsions or fits, stop taking the medicine and talk to your doctor.
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Top 30 Doctor insights on: Diphenhydramine Safety Glaucoma Several: The most common side effect of taking too much Benadryl (diphenhydramine) would be excessive drowsiness. Other possible side effects include dizziness, headache, constipation, urinary retention, and heart palpitations.
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Medications and Drug Allergic Reactions • Allergic drug reactions account for 5 to 10% of all adverse drug reactions. Any drug has the potential to cause an allergic reaction. • Symptoms of adverse drug reactions include cough, nausea, vomiting, diarrhea, and headaches. • Skin reactions (i.e. rashes, itching) are the most common form of allergic drug reaction. • Non-steroidal anti-inflammatory drugs, antibiotics, chemotherapy drugs, monoclonal antibodies, anti-seizure drugs and ACE inhibitors are frequent causes of allergic drug reactions.
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What are hives treatment options? The goal of treating most cases of ordinary acute urticaria is to relieve symptoms while the condition goes away by itself. The most commonly used oral treatments are antihistamines, which help oppose the effects of the histamine leaked by mast cells. The main side effect of antihistamines is drowsiness. Many antihistamines are available without prescription, such as diphenhydramine (Benadryl), taken in doses of 25 milligrams, and chlorpheniramine (Chlor-Trimeton), taken in a dose of 4 milligrams.
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- Newer-generation antihistamines such as Allegra, Clarinex, and Zyrtec and have fewer side effects, so they may be a better choice for some people. Some of the main side effects of antihistamines include: 1  Dry mouth. 2  Drowsiness.
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Oxycodone withdrawal side effects More common side effects. Some of the more common side effects that can occur with albuterol include: fast or irregular heart rate; chest pain; shakiness; nervousness; headache; nausea ; vomiting ; dizziness; sore throat; runny nose; If these effects are mild, they may go away within a few days or a couple of weeks. If they’re more severe or don’t go away, talk to your doctor or pharmacist. Serious side effects. Call your doctor right away if you have serious side effects.
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- They tend to cause more side effects, particularly drowsiness. Newer-generation antihistamines such as Allegra, Clarinex, and Zyrtec and have fewer side effects, so they may be a better choice for some people. Some of the main side effects of antihistamines include: 1  Dry mouth. 2  Drowsiness. 3  Dizziness.
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Practical Selection of Antiemetics Both antihistamines and anticholinergics can have anticholinergic side effects, including dry mouth, urinary retention, blurred vision, and exacerbation of narrow-angle glaucoma. In general, however, these drugs have few severe adverse effects. Antihistamine and anticholinergic drugs are relatively inexpensive.
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- Common Alprazolam Side Effects. The most common Alprazolam side effects include change in appetite (feelings of hunger), unsteadiness, slurred speech, increased saliva production, difficulty in focusing, drowsiness, and feeling lightheaded.