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What Is a White Pill With L147 on It? Identifying and Understanding the Medication

3 min read

According to Drugs.com, the white, round tablet with the imprint L147 is an extended-release combination medication containing cetirizine hydrochloride and pseudoephedrine hydrochloride. This non-controlled drug, used for allergic rhinitis and allergies, is the generic equivalent of Zyrtec-D and is manufactured by Rugby Laboratories.

Quick Summary

The white L147 pill is an extended-release allergy medication. It contains both an antihistamine (cetirizine) and a decongestant (pseudoephedrine) to relieve symptoms such as sneezing, a runny nose, and congestion.

Key Points

  • Drug Identification: The white round pill with imprint L147 contains cetirizine hydrochloride and pseudoephedrine hydrochloride.

  • Primary Use: It is an extended-release allergy medication used to relieve symptoms like sneezing, runny nose, and nasal congestion from seasonal or perennial allergies.

  • Dual Action Formula: The medication combines an antihistamine (cetirizine) to block histamine and a decongestant (pseudoephedrine) to shrink blood vessels in the nose.

  • Proper Use: As an extended-release tablet, it must be swallowed whole and not crushed or chewed.

  • Safety Precautions: It should be used with caution by individuals with high blood pressure, heart disease, or diabetes and is not for children under 12.

  • Purchase Requirements: Due to the pseudoephedrine content, it is often sold behind the pharmacy counter and requires an ID to purchase.

In This Article

What Does the L147 Pill Treat?

The primary purpose of the L147 pill is to provide relief from symptoms associated with hay fever or other upper respiratory allergies. This medication is designed for adults and children 12 years of age and older. It is particularly effective for managing the following conditions and symptoms:

  • Allergic Rhinitis: This includes both seasonal (hay fever) and perennial allergies that cause symptoms like sneezing, a runny nose, and watery eyes.
  • Nasal Congestion and Sinus Pressure: The decongestant component helps reduce swelling in the nasal passages, restoring freer breathing.
  • Allergy-Related Itching: It helps with the itching of the nose or throat often caused by allergic reactions.

How the Active Ingredients Work

The L147 pill contains two active ingredients that work together to combat allergy symptoms.

  • Cetirizine Hydrochloride: This is a second-generation antihistamine. It works by blocking histamine, a natural substance the body produces during an allergic reaction. By blocking histamine, it reduces symptoms like itching, sneezing, and a runny nose.
  • Pseudoephedrine Hydrochloride: This is a nasal decongestant. It works by causing the blood vessels in the nasal passages to narrow. This decreases swelling and congestion, providing relief from a stuffy nose and sinus pressure.

Important Usage and Safety Information

As an extended-release tablet, the L147 pill should be swallowed whole. It is important not to crush or chew the tablet, as this can release all the medication at once and increase the risk of side effects. It is typically taken at regular intervals as directed.

Potential Side Effects

While generally safe for most, the L147 pill can cause certain side effects. It's important to be aware of these and to consult a doctor if any become severe or persistent.

Common Side Effects:

  • Dry mouth
  • Weakness or fatigue
  • Trouble sleeping or insomnia
  • Dizziness
  • Headache

Serious Side Effects (Seek immediate medical attention if you experience):

  • Severe allergic reactions or swelling of the face, tongue, or throat (angioedema).
  • Significant increase in blood pressure or heart rate, as pseudoephedrine is a stimulant.
  • Severe dizziness or fainting.

Precautions and Contraindications

  • Age Restriction: This medication is not recommended for children under 12 years of age due to the pseudoephedrine content.
  • Drug Interactions: It should not be taken with MAO inhibitors (a class of antidepressants) or for two weeks after stopping them. Use caution when combining with alcohol or other medications that cause drowsiness, as this can increase side effects.
  • Medical Conditions: Individuals with high blood pressure, heart disease, diabetes, or other specific health conditions should consult a doctor before use, as pseudoephedrine can affect these conditions.
  • Purchase Regulations: Due to the pseudoephedrine content, this medication is often sold behind the pharmacy counter, requiring a photo ID for purchase.

Comparison of L147 and Related Products

This table compares the L147 pill with related over-the-counter allergy medications. The key difference lies in the combination of active ingredients, particularly the presence or absence of a decongestant.

Feature L147 (Generic Zyrtec-D) Zyrtec (Generic Cetirizine) Claritin-D (Loratadine/Pseudoephedrine)
Active Ingredients Cetirizine, Pseudoephedrine Cetirizine Loratadine, Pseudoephedrine
Drug Class Antihistamine & Decongestant Antihistamine Antihistamine & Decongestant
Primary Use Allergic rhinitis with nasal congestion General allergy symptoms (itching, sneezing, runny nose) Allergic rhinitis with nasal congestion
Key Benefit Combats both allergy symptoms and congestion Offers non-drowsy allergy relief Provides 24-hour non-drowsy allergy and congestion relief
Availability Behind the pharmacy counter (age/ID required) Over-the-counter Behind the pharmacy counter (age/ID required)
Purchase Notes Contains pseudoephedrine, subject to purchase limits No purchase limits Contains pseudoephedrine, subject to purchase limits

Conclusion

In summary, the white pill with the imprint L147 is a generic version of Zyrtec-D, an extended-release allergy medication. It contains both cetirizine, an antihistamine for general allergy symptoms, and pseudoephedrine, a decongestant for nasal and sinus congestion. The dual action makes it a popular choice for those suffering from allergic rhinitis complicated by a stuffy nose. While effective, users should be aware of potential side effects, particularly with the pseudoephedrine component, and adhere to proper instructions. Because it contains a decongestant, this medication is typically sold behind the pharmacy counter and requires an ID for purchase. Always consult with a healthcare professional or pharmacist if you have questions or concerns about its use, especially if you have underlying medical conditions or are taking other medications.

Disclaimer: This information is for identification and educational purposes only and is not a substitute for professional medical advice. Always consult a healthcare provider for medical concerns.

Frequently Asked Questions

The active ingredients in the white L147 pill are cetirizine hydrochloride and pseudoephedrine hydrochloride.

The L147 pill is used to treat symptoms of allergies and allergic rhinitis, such as a runny nose, sneezing, itchy eyes, and nasal congestion.

No, the L147 pill is the generic equivalent of Zyrtec-D, which contains both cetirizine and a decongestant. Standard Zyrtec contains only cetirizine.

While the cetirizine component can cause drowsiness in some people, the pseudoephedrine decongestant may cause sleeplessness. Overall effects vary by individual.

Medications containing pseudoephedrine, like the L147 pill, are regulated by law because the ingredient can be used to manufacture illegal drugs. You must show ID for purchase in most places.

The L147 pill is not recommended for children under 12 years of age. Consult a pediatrician for appropriate allergy medication for younger children.

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed one and continue your regular schedule. Do not take a double dose.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.