Levocetirizine/ montelukast/fexofenadine for Allergies, their Side Effects and Better Alternative Treatment in Ayurveda


Allergy is the body’s reaction to a normal substance when the body starts considering it as an ‘invader.’ The substance can be pollen, animal dander, certain food like wheat or milk, insect sayings, latex etc. Allergies are manifested by some symptoms when an allergen enters the body. The symptoms can be mild to moderate to life threatening. Antihistamines are the main treatment for allergic conditions such as hives. Antihistamines developed by anticholinergic drugs. There are two types of antihistamines – first generation H1 and second generation H1. These are associated with various side effects such as somnolence. Although they provide relief in a very short time but can cause other severe conditions. In the text below we shall look into some detail of antihistamines and their side effects. And we shall also look at what are the alternatives available to the antihistamines. Let’s have a look!!


Histamine is the tissue amine present in animal tissues and some plants. It is present mostly in the granules of the mast cells. Skin, gastrointestinal mucosa, livers, lungs and placenta are rich in histamine. It is also present in blood and bodily secretions. There are various actions of the histamine on such as dilation of blood vessels, it increases gastric secretions etc. Histamines are also known to be mediation of hypersensitivity reactions

It is an important mediator of such reactions like urticaria, bronchoconstriction, angioedema and anaphylactic shock. It is believed to be the afferent transmitter which initiates the sensation of itch and pain at sensory nerve endings. Furthermore it is a mediator of vasodilation and other changes of inflammation. H1 antagonists are also called conventional antihistaminicos which have antagonist actions at the receptors of histamines. They are also inverse agonists. In Ayurveda, allergies can be correlated with vata and tridosha vitiation. As it manifests with all doshas symptoms. Rakta dhatu is also vitiated in allergies.


Pharmacological Actions of Antihistamines

They block histamine induced contraction of intestinal and smooth muscle, bronchoconstriction, triple response i.e. wheal, flare and itch. Immediate hypersensitivity manifestations are suppressed within a short period of time. Such as urticaria, angioedema and itching are controlled well.

Some antihistamines also possess anaesthetic properties.

Side Effects and Toxicity

  • First generation antihistamines H1 have frequent side effects. Though some tolerance to side effects develops on repeated use of antihistamines.
  • Sedation, concentration, diminished alertness, motor incoordination, lightheadedness and fatigue are the most common side effects of first generation antihistamines.
  • Impaired psychomotor performance.
  • Restlessness, nervousness and insomnia can also be developed in some individuals.
  • Use of conventional antihistamines in children can depress the central nervous system and also interfere with learning and academic tasks.
  • Dryness in mouth, urinary hesitancy, altered bowel movement and blurry vision can be side effects of the same.
  • Headache and epigastric discomfort may be there in some individuals.
  • The drugs can be teratogenic in animals thus can cause malformations in humans as well.
  • Overdose can produce tremors, central nervous system excitation, muscular incoordination, flushing, hypotension, flushing, fever, hallucinations and some features of belladonna poisoning.
  • Death can also occur in some cases due to respiratory and cardiovascular failure.

Second Generation Antihistamines

They cause less side effects than first generation antihistamines. As it does not depress the central nervous system. These include levocetirizine, fexofenadine etc.

1. Levocetirizine

It is a second generation antihistamine which is used to alleviate symptoms of some allergies. Symptoms include running nose, watering eyes, itching, sneezing etc. Though it does not work in anaphylaxis. However, the drug relieves symptoms perfectly but the side effects are much more than benefits.

Side effects include dry mouth, sore throat, fatigue, drowsiness, sedation, restlessness, tremors,  intense excitement, irregular heartbeat, seizures, anorexia, nausea, vomiting, diarrhoea, cholestasis, urinary retention, dysuria, vertigo, impotence, blurred vision, irritability, chest tightness, tinnitus, headache, wheezing, sweating etc.

2. Montelukast

Montelukast is a leukotriene receptor antagonist which is used to treat conditions of asthma and used to dilate bronchoconstriction and reduce symptoms associated with the respiratory system. It is also used in allergic rhinitis.

Side effects include numbness or tingling sensation in arms and legs, muscle weakness, speaking problems like stuttering, uncontrolled muscle movements, sinusitis and pain in sinuses etc. Side effects to the drug can also exhibit some allergic reactions including rashes, itching, severe dizziness and trouble in breathing.

3. Fexofenadine

Fexofenadine is the active metabolite of terfenadine, the first non sedating Second Generation Antipsychotic. It is an antihistamine that alleviates symptoms of allergies. It is used in conjunctivitis, hay fever, eczema etc.

Side effects of Fexofenadine include fever, stomach irritation, cough, headaches, dizziness, dry mouth etc.

Best Alternative Available in Ayurveda

Planet Ayurveda is an renowned GMP certified, US-FDA registered and ISO 9001:2015 certified Ayurvedic Company, which adhered to the aim of manufacturing quality Ayurvedic medicines as mentioned in the different  ancient texts of Ayurveda. Medicines are manufactured without additives and preservatives and other kinds of chemicals or artificial flavouring agents which causes many ill effects on the human body. Products prepared at Planet Ayurveda are pure and do not contain any kind of adulteration. Planet Ayurveda presents its Allergy care pack which relieves all kinds of allergic reactions and symptoms without causing any side effects.

Allergy Care Pack includes Following Formulations

  1. Tulsi Capsules
  2. Praanrakshak Churna
  3. Aller-G Care
  4. Curcumin Capsules

Herbal Supplements for Allergies

Herbal Supplements for Allergies

Product Description

1. Tulsi Capsules

Tulsi capsules contain the herb Tulsi (Ocimum tenuiflorum). The capsule contains a miraculous herb which enhances immunity. It relieves hypersensitivity reactions of the respiratory tract as it pacifies vata and kapha dosha. Furthermore, it is beneficial in inflammatory conditions as it possesses antiinflammatory properties. Therefore it soothes the irritated mucosa. It also relieves itchiness.

Dosage: 1-2 capsules, twice daily with plain water after meals.

2. Praanrakshak Churna

Praanrakshak Churna is multiherbal powder formulation which contains shirish (Albizia lebbeck), anantmool (Hemidesmus indicus), dalchini (Cinnamomum zeylanicum), Vaasa (Adhatoda vasica), bhrangi (Clerodendrum serratum), kantakari (Solanum xanthocarpum), mulethi (Glycyrrhiza glabra). The herbs together pacify all three doshas. Hence managing the allergic symptoms at its best. Praanrakshak churna purifies blood therefoe inhibits any kind of skin itching or irritation. It soothes the respiratory mucosa therefore stops excessive sneezing or other respiratory allergic symptoms that can be due to pollen, dust or seasonal. Therefore, Praanrakshak churna helps in controlling, relieving and curing the allergic symptoms.

Dosage : 1-2 teaspoonful thrice, with plain water after meals

3. Aller-G Care

As the name of the product indicates it is helpful in relieving symptoms of allergy. Aller-G Care capsules are filled with the goodness of haridra (Curcumin longa), neem (Azadirachta indica), shirish (Albizia lebbeck), ashwagandha (Withania somnifera). All the herbs possess pacification of  all three dosha, which results in alleviating the associated symptoms of the respected dosha. The herbs have antiinflammatory and analgesic properties. All the herbs together do a magnificent job in curing the various allergic reactions. It soothes the skin and provides relief from the itchiness and also purifies blood. As all the herbs together correct the vitiated doshas and dhatu, therefore the symptoms and allergies get cured from the very root cause of their own.

Dosage : 1-2 Capsules twice daily, with plain water, after meals.

4. Curcumin Capsules

Curcumin Capsules contain the herb haridra (Curcuma longa). Curcumin capsules are perfect for allergic or hypersensitive reactions as it pacifies vata, pitta and kapha dosha together. It has properties that help in relieving itchiness and respiratory allergic symptoms. Moreover it helps in urticaria. As it possesses antiinflammatory properties which alleviates inflammatory wheals of urticaria. In addition to this curcumin capsules also purifies and cleanses blood as rakta dhatu vitiation is prime reason for the hypersensitive reactions. All these activities make Curcumin Capsules ideal for allergies.

Dosage : 1-2 Capsules twice daily, with plain water, after meals.


There are various hypersensitivity reactions a body responds with to certain substances. The main cause of these reactions are histamines. And the phenomenon by which  the reactions lead to various symptoms are known as allergies which are substance specific. And this turns out to be like a patient is allergic to a specific thing. In order to suppress the hypersensitivity antihistamines are used. Antihistamines while suppressing the allergic symptoms also exhibit side effects that can be of various degrees. People use antihistamines without acknowledging the side effects they can cause. Therefore, an alternative to the antihistamines is necessary. And as we discussed, the Allergy Care Pack prepared by Planet Ayurveda is a multipurpose pack which cures the allergies from the root cause through pacifying the vitiated doshas. Furthermore there are no side effects of the herbal formulations which makes it the best alternative to the antihistamines.

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Dr. Vikram Chauhan

Dr. Vikram Chauhan (MD - Ayurveda) is the CEO and Founder of Planet Ayurveda Pvt. Ltd. He is Author of the Book "Ayurveda – God’s Manual For Healing". He is an Ayurveda Expert Serving People worldwide through all the Possible Mediums, Operating from Main Branch in Mohali, India. With his Vast Experience in Herbs and their Applied Uses, he is successfully treating Numerous Patients suffering from Various Ailments with the help of Purest Herbal Supplements, Diet, and Lifestyle, according to the Principles of Ayurveda. For More Details, visit www.PlanetAyurveda.com.

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