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Cetirizine 10 mg All Day Allergy Relief Medicine Major Pharmaceuticals NDC 00904-6717-41
Cetirizine 10 mg All Day Allergy Relief Medicine Major Pharmaceuticals NDC 00904-6717-41

Cetirizine 10 mg All Day Allergy Relief Medicine Antihistamine (Comparable to Zyrtec)

by Major Pharmaceuticals
Year End Sale 38%
$ 7.95
$ 4.95
SKU 00904-6717-41

Cetirizine 10 mg is an antihistamine medication used to relieve symptoms of allergic rhinitis (hay fever), such as sneezing, itching, runny nose, and watery eyes. It may also be used to relieve symptoms of urticaria (hives) and other allergic skin reactions. Cetirizine 10 mg works by blocking the effects of histamine, a substance in the body that causes allergic symptoms. Cetirizine 10 mg may also be prescribed for other conditions as determined by a doctor.

Mechanism of Action for Cetirizine 10 mg:

Cetirizine 10 mg is a second-generation antihistamine that works by blocking the effects of histamine, a substance produced by the body in response to allergens. Histamine is responsible for causing symptoms of allergies, such as itching, sneezing, runny nose, and watery eyes.

Cetirizine works by blocking the H1 receptors on cells in the body, which prevents histamine from binding to these receptors and causing an allergic response. This helps to relieve allergy symptoms and prevent future allergic reactions.

Additionally, cetirizine has a longer duration of action compared to other first-generation antihistamines, meaning it can provide relief for a longer period of time with a single dose. It also has a low risk of causing drowsiness, making it a preferred choice for many individuals. In summary, the mechanism of action for cetirizine 10 mg is:

1. Blocks H1 receptors on cells
2. Prevents histamine from binding to the receptors
3. Relieves allergy symptoms
4. Has a longer duration of action
5. Has a low risk of causing drowsiness

Cetirizine 10 mg All Day Allergy Relief Medicine Antihistamine (Comparable to Zyrtec)
Cetirizine 10 mg All Day Allergy Relief Medicine Antihistamine (Comparable to Zyrtec)
$ 7.95 $ 4.95
Antihistamine Medicines Frequently Asked Questions (FAQs)
  • What are antihistamines used for?

    Antihistamines are primarily used to treat allergies, such as hay fever, hives, itching, and symptoms of allergic reactions (runny nose, sneezing, watery eyes). Some are also used for motion sickness, insomnia, or to relieve cold symptoms.

  • What are common examples of antihistamine medicines?

    Common antihistamines include: First-generation (sedating): Diphenhydramine (Benadryl), Chlorpheniramine, Clemastine Second-generation (non-sedating): Loratadine (Claritin), Cetirizine (Zyrtec), Fexofenadine (Allegra)

  • What is the difference between first-generation and second-generation antihistamines?

    First-generation antihistamines can cause more drowsiness and are shorter-acting. Second-generation antihistamines are less likely to cause drowsiness and usually last longer.

  • Are antihistamines safe during pregnancy or breastfeeding?

    Some antihistamines are considered safe, but it’s important to consult your healthcare provider before taking any, especially during pregnancy or while breastfeeding.

  • Can children take antihistamines?

    Many antihistamines are approved for use in children, but dosing depends on age and weight. Always consult a pediatrician before using antihistamines in young children.

  • What are the side effects of antihistamines?

    Common side effects include drowsiness (especially with first-generation types), dry mouth, dizziness, blurred vision, constipation, and urinary retention.

  • Can I take antihistamines and drink alcohol?

    It’s best to avoid alcohol with antihistamines, especially first-generation types like diphenhydramine, as both can increase drowsiness and impair coordination.

  • Can I take more than one type of antihistamine at the same time?

    Generally, you should not combine different oral antihistamines unless instructed by your healthcare provider, as this increases the risk of side effects without improving efficacy.

  • Do antihistamines work immediately?

    Most oral antihistamines start to work within 30–60 minutes, while nasal or eye antihistamines may work faster.

  • Can I use antihistamines long-term?

    Second-generation antihistamines are often safe for long-term use under medical supervision, but you should see a doctor if you need them daily for extended periods.

  • Do antihistamines interact with other medications?

    Yes, especially first-generation antihistamines, which may interact with sedatives, sleeping pills, muscle relaxants, and certain antidepressants. Check with your pharmacist or doctor if unsure.

  • What should I do if I miss a dose of my antihistamine?

    Take it as soon as you remember, but if it's almost time for your next dose, skip the missed dose. Don’t double up unless instructed by your doctor.

  • Can antihistamines be used for itching not caused by allergies?

    Yes, antihistamines can sometimes relieve itching due to other causes, like insect bites or skin irritations, but always check with your provider for chronic or severe itching.

  • Are there non-drowsy antihistamines?

    Yes, second-generation antihistamines (e.g., loratadine, cetirizine, fexofenadine) are less likely to cause drowsiness than first-generation drugs.

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