Get Loratadine Online
(Generic Claritin)

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Loratadine (Claritin)

What Is Loratadine?

Loratadine is a generic antihistamine that’s used by both adults and children to treat the symptoms of various allergies. It is one of the most common allergy medications on the market and is found under the brand name Claritin. 

Unlike other antihistamines, Loratadine provides anti-allergic benefits without a sedative effect. In simple terms, it treats allergies but has a lower chance of causing drowsiness when compared to other antihistamines.  

In the majority of cases, this drug is provided as an oral tablet.

How Does Loratadine Work?

As a member of the antihistamine family, Loratadine works similarly to other members of this drug class. Histamines are substances in the body that trigger an allergic response. This is what makes your eyes itch or your nose gets really running. 

Therefore, an antihistamine like Loratadine is designed to block the histamines in your body. It binds to specific histamine receptors and stops the histamine from impacting these receptors and triggering allergic symptoms. 

Consequently, you should see less of an allergic reaction from your immune system. 

What Is Loratadine Used For?

Loratadine treats allergic symptoms in individuals with upper respiratory allergies. These are allergies that affect the upper respiratory tract (nose, lungs, throat, etc.) and are typically classified as airborne allergies because you inhale the allergens. 

Common allergies Loratadine is effective at treating include: 

  • Seasonal allergies (hay fever)
  • Mold allergies
  • Pet allergies
  • Dust mite allergies

When taken regularly, Loratadine will help reduce the following symptoms: 

  • Stuffy nose
  • Running nose
  • Itchy eyes
  • Watery eyes
  • Itchy or irritated throat
  • Sore throat

Loratadine will not treat severe allergic reactions such as hives – and it should not be used to treat other types of allergies, like food allergies. Likewise, Loratadine will not be effective at treating the symptoms displayed above if they were caused by non-allergenic responses. For example, a stuffy nose caused by the common cold will not be treated by Loratadine. 

What Are the Side Effects of Loratadine?

You may encounter both mild and severe side effects when using Loratadine. Thankfully the most common side effects are extremely mild and usually subside very quickly. If you experience any of the symptoms listed below after taking Loratadine, there is normally no cause for concern. 

Common side effects include: 

  • Very mild drowsiness
  • Slight fatigue
  • Dry mouth
  • Mild headaches

You should only be worried about these side effects if they worsen or linger for more than a couple of weeks. Consult your doctor in these scenarios as they can alter the dose or find a different medication to treat your allergies. 

Loratadine can have serious side effects, though they are extremely rare. If you notice any of the following, stop taking this medication immediately and seek medical assistance: 

  • Swelling around your face or skin
  • Swelling in your throat with difficulty swallowing
  • Severe itchiness
  • Hot flushes
  • Extreme fatigue

People with these severe symptoms are likely to have an allergic reaction to Loratadine, meaning they should not continue taking this drug. Of course, be sure to see your doctor and go through all the necessary checks to ensure this is the case. 

While all the side effects listed above are among the potential side effects of loratadine, it is by no means a comprehensive list. 

For a complete understanding of the potential side effects associated with Loratadine, please consult a medical professional or read the patient leaflet that comes with the drug.

How to Take Loratadine?

Loratadine is most commonly administered as an oral tablet that can be taken daily with water. When obtaining your prescription, you will receive a detailed breakdown of how to take this medication from your doctor. This will include the dosage, so you understand how many tablets to take per day. 

Individuals with extreme allergic symptoms may have to take a slightly higher dose than those without them. 

It’s important to note that Loratadine tablets are designed to be swallowed in one go. You should not crush this tablet up or mix it with food/drink. Swallow it whole with a glass of water – and you can do this with or without food. Individuals with difficulty swallowing tablets should consult with a doctor as they can prescribe an alternative form of Loratadine to take. 

In terms of timing, Loratadine can be taken at any time of day. If you discover that it makes you feel a bit drowsy or fatigued, it could be best to take your tablet in the evening, a couple of hours before going to sleep. 

To see the full effects of Loratadine – and a greater reduction in allergic symptoms – follow your doctor’s orders and keep taking the tablet regularly. If you experience any side effects or don’t notice an improvement in your symptoms, speak to your doctor. They will see if an increased dose is better for you, or if another treatment may be more effective.

Frequently Asked Questions About Loratadine

What to Avoid While Taking Loratadine?

It is important to follow all instructions given to you by your doctor while taking Loratadine. This includes avoiding certain substances that could interfere with the effectiveness of this drug, or even cause serious side effects. It is best not to consume any of the following when taking Loratadine: 

  • Alcohol – Drinking alcohol while taking Loratadine can increase your risk of experiencing some side effects associated with the drug such as dizziness and drowsiness.
  • Other antihistamines – Taking other antihistamines alongside Loratadine can increase their side effects and potentially even cause an overdose.
  • Certain other medications – Some antibiotics and antifungal medications can interact with Loratadine, increasing the risk of side effects. Make sure to speak with your doctor about any other drugs you are taking before starting loratadine.

Because Loratadine might cause drowsiness or fatigue, you should avoid activities that require alertness such as driving or operating heavy machinery when you start the medication. Wait until you understand how this drug affects your body before participating in any activities that could be dangerous. 

The list of things to avoid when taking Loratadine isn’t exhaustive, so be sure to talk with a doctor about anything else that could interfere with the medication. They will be able to provide more detailed information and explain which substances can impact the effectiveness of this drug.

What Is the Most Common Side Effect of Loratadine?

Lorat typically causes fewer side effects than other antihistamines and the overall side effects can vary in severity and occurrence depending on the individual. The most common side effect is mild drowsiness or fatigue.

Other common side effects may include:

  • Dizziness
  • Headaches
  • Dry mouth
  • Nervousness
  • Stomach pain
  • Nausea
  • Diarrhea

The listed side effects above are just some of the most common side effects and reactions that users have experienced when taking Loratadine. Be sure to read the patient leaflet or speak to your doctor if you have any concerns about the potential side effects. They will be able to provide more detailed information about potential risks associated with this drug.

How Long Does It Take for Loratadine to Work?

Loratadine is a rather fast-acting drug and you should start to notice an improvement in your allergy symptoms in about an hour.

The peak effect is usually around 8 to 12 hours after taking it, but relief from allergy symptoms can last for up to 24 hours.

It’s important to note that the exact time frame and duration of relief may vary depending on the individual. As with all medication, it’s best to take loratadine as directed by your doctor. This will ensure you get the most out of this drug and experience optimal relief from your allergies.

What Is the Typical Dosage for Loratadine?

The typical dosage of loratadine for patients 6 and older is 10 mg taken once per day. For children aged 2 to 6, the dose is generally 5 mg taken once per day.

The exact dosage you should take of Loratadine will largely depend on the severity of your symptoms and the underlying cause. Always speak to your doctor about which dose is right for you and follow their instructions.

It’s important to note that you should never take more than the prescribed amount of Loratadine in a 24-hour period. Doing so can increase your risk of experiencing side effects and won’t necessarily result in better relief from allergy symptoms.

Can You Get Loratadine Over-The-Counter (OTC)?

Yes, Loratadine is available over-the-counter (OTC) and can also be prescribed by a doctor in specific circumstances. While you can easily acquire Loratadine OTC for the relief of symptoms associated with allergies, such as sneezing, runny nose, and itching, a healthcare professional may prescribe it in a particular dosage or form for specific medical conditions.

For more detailed information about loratadine (Claritin), you can refer to the following sources:


The content on this page has been medically reviewed for accuracy and comprehensiveness by Amy Dougherty, FNP-BC, AGAC 

Content on the DrHouse website is written by our medical content team and reviewed by qualified MDs, PhDs, NPs, and PharmDs. We follow strict content creation guidelines to ensure accurate medical information. However, this content is for informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment. For more information read our medical disclaimer.

Always consult with your physician or other qualified health providers about medical concerns. Never disregard professional medical advice or delay seeking it based on what you read on this website.

If you are experiencing high fever (>103F/39.4C), shortness of breath, difficulty breathing, chest pain, heart palpitations, abnormal bruising, abnormal bleeding, extreme fatigue, dizziness, new weakness or paralysis, difficulty with speech, confusion, extreme pain in any body part, or inability to remain hydrated or keep down fluids or feel you may have any other life-threatening condition, please go to the emergency department or call 911 immediately.

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Frequently asked questions

  • Yes, you can get a new prescription or refill an existing one online through DrHouse. You just need to start a consultation with one of our licensed providers and they will be able to assess your needs and provide you with a prescription if necessary.

    Please note that the final decision always rests with the doctor based on their professional judgment and your health needs.

  • There are certain medications that cannot be prescribed online by DrHouse physicians due to safety reasons. These include controlled substances, such as opioids and other narcotics, as well as drugs with a high potential for abuse or dependence. DrHouse physicians also don’t prescribe Gabapentin, medical marijuana, muscle relaxants, and HRT medications.

  • With DrHouse getting a new prescription or a refill for your current Rx is a straightforward and quick process. All you need to do is follow a few easy steps:

    • Download the DrHouse telehealth app on your mobile device.
    • Create an account by providing basic information and medical history.
    • Start an on-demand virtual video consultation with one of our licensed physicians.
    • Discuss your medical needs and concerns with one of our physicians.
    • A doctor will review your medical history, symptoms, and current medications (if any) to determine if an online prescription is appropriate for you.
    • If a physician approves, they will electronically send a new prescription or refill request to the pharmacy of your choice.
    • Pick up your medication from the pharmacy.

    DrHouse makes it easy for you to get an online prescription from the comfort of your own home. No more waiting in line at the doctor’s office or pharmacy, and no need to take time off work to see a doctor. Our telehealth platform allows you to access quality medical care from anywhere with an internet connection.

    For more information about how our telehealth platform works visit our “How DrHouse Works” page.

  • During your virtual consultation with a DrHouse physician, you will have the opportunity to discuss your medical needs and concerns.

    The consultation will consist of a video call where a physician will assess your medical history and ask you questions about your symptoms and any other relevant information. This is to ensure that a physician has all the necessary information to make an informed decision about your prescription.

    You can also ask any questions or clarify any doubts you may have about your condition or medication. Our physicians are happy to address any concerns you may have.

    Once a physician has assessed your needs, they will determine if and what type of prescription is appropriate for you. If a new prescription or refill is approved, a doctor will send it electronically to your chosen pharmacy.

  • With our on-demand telehealth service, you have the opportunity to see the first available doctor in as little as 10 to 15 minutes. However, the exact consult time will depend on the complexity of your case and the thoroughness required by the healthcare provider to make an informed decision.

  • Absolutely, it is safe to get an online prescription from DrHouse. We are committed to ensuring the highest standards of patient safety and privacy.

    All our providers are highly qualified US-based physicians and often affiliated with major hospitals. They are board-certified and from the top U.S. medical schools with an average of 20 years of experience.

    We strictly adhere to HIPAA regulations, ensuring your personal and medical information is kept secure and confidential. Also, we comply with all applicable state and federal laws related to telehealth and the prescribing of medications.

    Therefore, you can rest assured knowing that your safety and privacy are our top priorities when you use DrHouse’s services.

  • DrHouse strives to provide accessible and affordable telehealth services. DrHouse urgent care, primary care, and specialist visits are $129 or your copay. This includes everything from your initial consultation through to the prescription of your medication.

    The cost of a doctor’s visit may be covered fully by your insurance. A typical copay is around $25. We recommend checking with your insurance provider to understand the extent of your coverage for telehealth services.

    To learn more about how much DrHouse costs, visit our pricing page

  • Yes, DrHouse accepts most major insurances, including Blue Cross Blue Shield, Aetna, and Medicare. The extent of coverage may vary depending on your individual plan.

  • Our physicians are able to prescribe up to a 90-day prescription without labs for any previously prescribed medication if it’s medically appropriate and is not classified as a controlled substance.

    DrHouse physicians also don’t prescribe Gabapentin, medical marijuana, muscle relaxants, and HRT medications.

    DrHouse physicians use their medical judgment to determine whether to prescribe and the duration.

    In certain cases, the prescription may be limited to 30 days or less. There also may be a 12-month cap for some prescriptions without labs. For medications requiring annual monitoring (such as blood work or imaging), the maximum prescription limit is 90 days within a year without labs.

    DrHouse physicians can refer patients to labs for longer prescription periods or refills.