Antihistamines relieve nasal drip. Explore the different options, advantages and side effects in our complete article.

The nasal drip, known medically as rhinorrhea, is a common symptom that many people experience. Occurs when there is an excess of mucus that drains through the nostrils. Often caused by allergies or common cold, rhinorrhea can cause discomfort and interrupt daily activities. Fortunately, antihistamines have proven to be an effective treatment to relieve symptoms associated with nasal dripping.

Antihistamines: Antihistamines are commonly used medications to relieve the symptoms caused by the release of histamines in the body. They act blocking the effects of histamine, a substance that triggers allergic reactions and inflammation.

Antihistamines are presented in tablets, capsules and even nasal aerosols. Free sales antihistamines, such as Lorateradine, Cetirizin and Fexofenadine, are easily accessible and relieve mild or moderate cases of nasal dripping.

1. Loratadine: Also known by the commercial name of Claritin, Loratadine is a no n-sleepy antihistamine that effectively relieves the symptoms of allergies, such as nasal dripping, sneezing and itching or tear of the eyes.
2. Cetirizina: Available under the Zyrtec brand, cetirizin is another popular antihistamine that relieves several allergy symptoms, such as nasal drip. It is known for its prolonged effect effects and is adequate for both adults and children.
3. Fexofenadine: Marketed with the name of Allegra, Fexofenadine is a no n-sleepy antihistamine of rapid action. It effectively treats allergic rhinitis, relieving symptoms such as nasal dripping, sneezing and itching.

When choosing an antihistamine for rhinorrhea, it is important to take into account possible side effects and interactions with other medications. It is recommended to consult a healthcare professional to obtain personalized advice and determine the most appropriate antihistamine based on individual needs and medical history.

Antihistamines for Relieving Running Nose: A Comprehensive Guide

When it comes to treating nasal dripping, antihistamines play a crucial role in the relief of associated discomfort. These medications act on histamine, a chemical that triggers an allergic response in the body. By blocking histamine receptors, antihistamines can effectively reduce nasal congestion, sneezing and excess nasal secretion. It is important to keep in mind that, although antihistamines are a habitual treatment option, its efficacy and side effects may vary depending on the person and the specific antihistamine used. Therefore, it is essential to consult a health professional before choosing an antihistamine to relieve nasal dripping.

Important information:

1. Antihistamines should be used according to the indications and not exceed the recommended dose.
2. Some antihistamines can cause drowsiness, so it is essential to avoid activities that need to be alert, such as driving or handling heavy machinery.
3. It is essential to read the label and instructions carefully to know the possible pharmacological interactions or contraindications.
4. If the symptoms persist or worsen despite the use of antihistamines, a healthcare professional should be consulted to perform a more thorough evaluation and provide guidance.

Understanding the Causes of a Running Nose

Allergy: One of the most common causes of nasal drip is an allergic reaction. When a person comes into contact with an allergen, such as dust mites, pollen, pet dandruff or certain foods, the body’s immune system responds by releasing histamines. These histamines make the blood vessels of the nose dilate, which causes an increase in mucus production and congestion. This allergic response is known as allergic rhinitis and can be triggered by both seasonal and perennial allergens.

In allergic rhinitis, the immune system erroneously identifies harmless substances as dangerous invaders and frees chemical substances, such as histamines, to fight them.

The usual symptoms of allergic rhinitis are nasal drip, sneezing, itching and nasal congestion.

Infections: Another frequent cause of nasal drip is viral or bacterial infections. Infections such as common cold, flu, sinusitis or even allergies can cause inflammation of nostrils, with the consequent increase in nasal mucus production. These infections can be very contagious and spread through respiratory droplets or direct contact with contaminated surfaces.

Viral infections are the most frequent cause of rhinorrhea. They are usually sel f-limited and resolved in one or two weeks.

Instead, bacterial infections may require medical treatment with antibiotics to eliminate infection.

How Antihistamines Work to Relieve a Running Nose

Antihistamines are drugs that block the action of histamine, a natural substance produced by the organism during an allergic reaction. Histamine acts as a chemical messenger that binds to specific receptors of several cells, including those of the nose, causing them to release liquid and mucus. By blocking histamine receptors, antihistamines help reduce excessive mucus production and relieve symptoms associated with nasal dripping.

Antihistamines: drugs that block the action of histamine in the body.

There are two main types of histamine receptors: H1 receptors and H2 receptors. H1 receptors are found in large amounts in the nose, eyes and airways and, when activated by histamine, cause inflammation, itching and excessive production of mucus. To relieve these symptoms, antihistamines are often used specifically to H1 receptors.

1. First generation antihistamines: these antihistamines are more likely to cause drowsiness, since they can cross the hematoencephalic barrier, affecting the central nervous system. Some examples of firs t-generation antihistamines are diphenhydramine and chlorphenamine.
2. Second generation antihistamines: these antihistamines are less likely to cause drowsiness, since they have a lower affinity to cross the blood brain barrier. They are more selective when addressing the H1 receptors of the periphery than to those of the central nervous system. Some examples of second generation antihistamines are larathadin and cetirizine.

By understanding how antihistamines work to relieve a runny nose, people can make informed decisions about the type of antihistamine that best suits their needs and provides optimal relief from nasal congestion and other associated symptoms.

Types of Antihistamines for Treating a Running Nose

1. First generation antihistamines: These antihistamines were the first to be developed and are known for their strong sedative effects. Some examples of first-generation antihistamines are diphenhydramine and chlorpheniramine. They are effective in relieving allergy symptoms, but their sedative properties can cause drowsiness, making them less suitable for use during the day. These medications are available in both oral and topical forms.

First generation antihistamines:

– Provide great relief from allergy symptoms

– May cause drowsiness

– Available in oral and topical form

2. Second generation antihistamines: Second generation antihistamines are newer medications that were developed to address the sedative side effects of first generation antihistamines. These antihistamines, such as cetirizine and loratadine, are less likely to cause drowsiness and are therefore more suitable for daytime use. They are also known for their long-lasting effects, providing relief for up to 24 hours. Second generation antihistamines are usually available in oral form.

Second generation antihistamines:

– Less likely to cause drowsiness

– Provide long-lasting relief for up to 24 hours

– Available in oral form

3. Third generation antihistamines: Third generation antihistamines represent the latest advance in antihistamine medications. These antihistamines, such as fexofenadine and desloratadine, offer similar benefits to second-generation antihistamines, including non-drowsy relief and long-lasting effects. Additionally, third-generation antihistamines are generally considered to have a lower risk of drug interactions compared to other antihistamines. They are available in oral form.

Third generation antihistamines:

– Relief without drowsiness

– Long lasting effects

– Lower risk of drug interactions

– Available in oral form

It is important to note that antihistamines may have different brand names depending on the country and manufacturer. Additionally, it is advisable to consult with a healthcare professional before starting any antihistamine treatment to determine the most appropriate option based on individual symptoms and medical history.

Choosing the Right Antihistamine for Your Symptoms

First of all, it is important to know that there are two main types of antihistamines: first generation and second generation. First-generation antihistamines, such as diphenhydramine, are known for their sedative effects. These antihistamines not only relieve the symptoms of allergic rhinitis, such as runny nose, sneezing, and itching, but also help you fall asleep. However, they can cause drowsiness and affect coordination, making them less suitable for use during the day or for activities that require alertness.

Important: First generation antihistamines are more likely to cause sedation and drowsiness.

In contrast, second-generation antihistamines, such as cetirizine and loratadine, are not sedating and are usually preferred for daytime use. These antihistamines effectively relieve the symptoms of allergic rhinitis without causing drowsiness. They are especially beneficial for people who need relief from a runny nose while maintaining mental clarity and productivity.

• Important: Second generation antihistamines are not sedative and do not cause drowsiness.

Additionally, if you have specific preferences or restrictions, it is helpful to know that antihistamines are available in various forms, such as tablets, liquids, nasal sprays, and eye drops. Tablets and liquids provide systemic relief of general allergy symptoms, while nasal sprays and eye drops specifically target nasal congestion and itchy, watery eyes.

1. Important: Antihistamines come in different forms, such as tablets, liquids, nasal sprays, and eye drops.

Common Side Effects of Antihistamines for Runny Nose

1. Drowsiness: One of the most common side effects of antihistamines is drowsiness. This sedative effect occurs because antihistamines can cross the blood-brain barrier and affect the central nervous system. People taking antihistamines should be careful when doing activities that require alertness, such as driving or operating machinery. It is recommended to avoid alcohol and other sedative medications while taking antihistamines to minimize the risk of excessive drowsiness.

“Antihistamines may cause drowsiness due to their ability to cross the blood-brain barrier and affect the central nervous system. Caution should be used when engaging in activities that require mental alertness.”

• Dizziness
• Dry mouth
• Blurry vision

2. Dizziness: Some people may experience dizziness as a side effect of antihistamines. This feeling of dizziness can get worse for factors such as getting too quickly or combining antihistamines with certain medications. It is advisable to sit or lie when you experience dizziness and avoid sudden changes of position until the symptom remites.

3. Dry mouth: Antihistamines can cause a decrease in saliva production, giving rise to a dry mouth feeling. This side effect can be annoying and increase the risk of dental problems such as caries. Drinking a lot of water and chewing gum without sugar can help relieve symptoms of dry mouth. It is also important to maintain good oral hygiene practices, including regular brushing and the use of dental thread.

4. Blurred vision: In some cases, antihistamines can cause temporary blurred vision. This visual alteration can harm the ability to focus clearly and affect activities such as reading or driving. If he experiences blurred vision while taking antihistamines, it is recommended to consult a health professional for an additional evaluation and a possible medication adjustment.

Tips for Using Antihistamines Effectively for a Running Nose

1. Follow the Recommended Dosage

It is essential to follow the recommended dose of antihistamines prescribed by the doctor or indicated in the container. Taking more than the recommended amount can produce adverse side effects and not provide any additional benefit. If you are not sure what is the right dose, consult your doctor or pharmacist.

2. Timing and Consistency Matter

Antihistamines work better when they are taken constantly and at the right time. It is recommended to take antihistamines at the same time every day to maintain a constant level of medication in the body. This helps effectively control symptoms and prevent them from getting worse. In addition, if the antihistamine produces sleepiness, it is advisable to take it before bedtime to avoid diurnal drowsiness.

• Tip: Establish a reminder to take the antihistamine at the same time every day to guarantee the constancy.

Remember that constancy is the key to the effectiveness of antihistamines.

3. Avoid Certain Foods and Substances

Some foods and substances can interact with antihistamines, reducing their effectiveness. It is advisable to avoid the consumption of grapefruit or grapefruit juice, since they can interfere with the absorption of antihistamines in the body. In addition, alcohol and certain medications, such as sedatives or tranquilizers, can enhance the sedative effects of antihistamines, causing excessive drowsiness.

1. Note: Always read medication labels and consult your doctor or pharmacist if you are unsure about any possible interactions.

By following these tips and using antihistamines effectively, you can relieve the discomfort caused by a runny nose and enjoy a better quality of life during allergy season.

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Author of the article

Dr.Greenblatt M.

Medical oncologist at the Robert Larner College of Medicine, MD, at the University of Vermont