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Lorin Syrup

Written By Dr. Lipika Khurana, PGDHHM, BDS
Reviewed By Dr. Rajeev Sharma, MBA, MBBS
Last updated on 25 Mar 2026 | 03:18 PM (IST)
Lorin Syrup is usually given to children to treat a wide range of symptoms associated with allergic conditions such as hay fever, urticaria (hives), conjunctivitis (red, itchy eye), and common cold. These symptoms may include watery eyes, runny nose, sneezing, and itching.
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General Information

The content is shown in English
Lorin Syrup image
Lorin Syrup image

Your child’s medicine at a glance

Give Lorin Syrup to your child by mouth with or without food in the dose and way prescribed by your child’s doctor. It is usually given once a day. This is usually in the morning but may vary based on the timing of the symptoms. It starts to work immediately and your child’s symptoms may begin to improve within 30 to 60 minutes of intake. However, if the medicine is used as a preventive measure, you may not see much difference in your child.

If your child vomits within 30 minutes of taking Lorin Syrup, repeat the same dose once your child feels better. However, skip repeating this dose if it is already time for the next dose. Do not abruptly stop the medicine by yourself as sudden withdrawal of the medicine may result in recurrence of symptoms and worsen your child’s condition. Therefore, it is advised to continue the treatment for the prescribed duration for maximum benefit.

Your child may experience minor and temporary side effects like nausea, vomiting, dry mouth, dizziness, sleepiness, and headache after the intake of this medicine. Usually, these symptoms subside once your child’s body adapts to the medicine. However, in case of prolonged or bothersome events, it would be best to consult your child’s doctor without any delay.

Inform your child’s doctor if your child is on any medical regime or is allergic to any medicine, product, or food. Do share details with your child’s doctor if your child has or had any heart, liver, or kidney problems. Any history regarding bowel obstruction, malnutrition, weight-related issues, and thyroid problems should also be well indicated to the doctor to avoid any complications in the treatment. Knowing the entire medical history will help your child’s doctor make dose alterations and plan your child’s overall treatment better.

Uses of Lorin Syrup in children

Benefits of Lorin Syrup for your child

Treatment of Allergic conditions
Lorin Syrup provides relief from symptoms such as blocked or runny nose, sneezing, and itchy or watery eyes. This will make it easier for you to go about your daily activities. It can also give relief from allergic reactions after insect bites and symptoms of hives and eczema such as rash, swelling, itching, and irritation. This will improve the appearance of your skin and you may find that your mood and self-confidence improve as well. It rarely has any serious side effects and you may only need to take it on days you have symptoms. This medicine is fast-acting and has a long duration of action (24 hours). Moreover, Lorin Syrup may make you feel less sleepy as compared to other antihistamine medicines. If you are taking it to prevent getting symptoms you should use it regularly to get the most benefit.

Side effects of Lorin Syrup in children

Lorin Syrup does not pose serious side effects and is well-tolerated by children. In case the side effects do occur, they’re likely to subside once the body adapts to the medicine. Consult your child’s doctor if these side effects persist or bother your child. The most common side effects include-
Common side effects of Lorin
  • Sleepiness
  • Headache
  • Nausea
  • Vomiting
  • Dryness in mouth
  • Dizziness

How can I give Lorin Syrup to my child?

Take this medicine in the dose and duration as advised by your doctor. Check the label for directions before use. Measure it with a measuring cup and take it by mouth. Shake well before use. Lorin Syrup is to be taken on an empty stomach.

How Lorin Syrup works

Lorin Syrup belongs to a class of medicines called antihistamines. It blocks the natural chemical substance (histamine) produced in the body during an allergic state and subsides (lowers) your child’s immune system’s response to these conditions. This relieves the symptoms being faced by your child and also helps treat the allergic condition.

Quick tips

  • Try giving the medicines at the same time each day, to help you remember.
  • Your child may feel sleepy or dizzy after each dose of Lorin Syrup. If this happens, make your child sit or lie down and ask them to be careful while performing tasks that require mental focus.
  • Dry mouth is a common side effect of Lorin Syrup. Encourage your child to take sips of water as that may help.
  • Lorin Syrup should be avoided in children who are less than 4 years of age as there is a risk of respiratory distress.
  • Practice self-care tips:
    1. Abstain your child from coming in contact with allergens.
    2. Maintain a neat and clean ambiance around your child. 
    3. Encourage your child to wear a face mask and avoid dusty places.
  • Lorin Syrup should not be given to children under 12 years of age.
  • Patients with underlying medical conditions like liver, kidney disorders, diabetes, convulsions, etc. should consult their treating doctor before consuming Lorin Syrup.
  • Your doctor has prescribed Lorin Syrup to help relieve allergy symptoms such as itching, swelling and rashes.
  • As compared to other similar medications, it is much less likely to make you feel sleepy.
  • Be cautious while driving or doing anything that requires concentration as it can cause dizziness and sleepiness.
  • Do not drink alcohol while taking this medication as it may cause increased sleepiness.
  • Stop taking Lorin Syrup at least 3 days before taking an allergy test as it can affect the test results.

Safety advice

Kidney

Kidney

CAUTION
Lorin Syrup should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Liver

Liver

CAUTION
Lorin Syrup should be used with caution in patients with severe liver disease. Dose adjustment may be needed.
However, dose adjustments are required in severe liver disease. Consult your doctor before giving Lorin Syrup to your child in case of severe liver disease.

Interaction with drugs

Taking Lorin with any of the following medicines can modify the effect of either of them and cause some undesirable side effects
Moderate

Thalidomide (Oral Route)

If concurrent use is essential, watch out for symptoms of Thalidomide side effects such as drowsiness, excessive sedation, tiredness, dizziness or slurred speech and consult your doctor if you experience them. It is advised to avoid driving or undertaking other tasks requiring skill and alertness.
Moderate

Dalteparin (Injection Route)

Your doctor may frequently monitor your blood clotting time. Loratadine may reduce the efficacy of Dalteparin.

Frequently asked questions

You must always adhere to the dose prescribed by your child’s doctor because it is calculated according to your child’s body weight and age. Do not increase or decrease the dose on your own as it may cause unwanted effects and can worsen your child’s condition.
Lorin Syrup is given to treat allergic conditions but it is not approved to be used in children less than 4 years of age. Therefore, avoid giving Lorin Syrup if your child is less than 4 years and consult your child’s doctor for an alternative therapy.
Lorin Syrup can sometimes interact with other medicines or substances. Tell your doctor about any other medicines your child is taking before starting Lorin Syrup. Also, check with your child’s doctor before giving any medicine to your child.
No, although this medicine causes drowsiness as a side effect, it should not be given to induce sleep in children. Consult your doctor if you have any queries regarding the use of this medicine.
Lorin Syrup should be stored at room temperature, in a dry place, away from direct heat and light. Keep all medicines out of the reach and sight of children to avoid any accidental intake.
Always consult your child’s doctor at every step in case of any confusion. Contact your child’s doctor immediately if your child develops serious side effects. These may include allergic reactions (such as facial swelling, trouble breathing), signs of liver problem (such as dark-colored urine, yellow eyes or skin), excessive sleepiness, rapid heartbeat, hallucinations, feeling confused or hyperactive, trouble passing urine, irritability, and vision changes.

Fact Box

Chemical Class

Benzo- cyclohepta- pyridines

Habit Forming

No

Therapeutic Class

RESPIRATORY

Action Class

Second-Generation H1 Antihistamines
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

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