Tamalis

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Tamalis

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Medically reviewed

Laura Arias

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Tamalis

What is Tamalis? Defining the Drug and its Class

Property Description
Active ingredient Rupatadine (as Rupatadine Fumarate)
Form Oral (Tablets, Oral Solution)
Pharmacological class Second-Generation Antihistamine
Common use Systemic anti-allergic relief
Origin Synthetic, originally developed by Uriach

Core Identity and Composition

Tamalis is a trade name for a synthetic medicinal product whose active ingredient is Rupatadine, a substance originally developed by the pharmaceutical company Uriach. The medicine is a single-ingredient product, containing Rupatadine Fumarate, and is provided for oral administration in various forms including tablets and an oral solution. This dual-form availability is a key differentiating feature, allowing for appropriate administration across different patient groups, including children.

Pharmacological Classification and Dual Action

Rupatadine belongs to the therapeutic group of anti-allergic agents and is classified as a second-generation antihistamine. It is clinically recognized for its unique mechanism as a Dual antagonist; it targets the peripheral histamine H1 receptors and also blocks receptors for Platelet-Activating Factor (PAF). This dual activity characterizes its approach to managing inflammation compared to older, single-action compounds.

General Therapeutic Purpose

The general therapeutic purpose of Tamalis is to provide pharmacological relief from the uncomfortable symptoms driven by the body's allergic response. By targeting both histamine and PAF, the drug helps to mitigate the overall cascade associated with systemic allergic conditions. This mechanism supports comprehensive anti-allergic relief and provides a treatment option for patients requiring a less-sedating and fast-acting second-generation compound.

What side effects are possible with Tamalis?

Possible Side Effects and Safety Information for Tamalis (Desloratadine)

Official regulatory documents define the safety profile of Tamalis by categorizing adverse reactions based on system-organ class and frequency.


Adverse Reaction Categories (Based on Regulatory Frequency)

Side effects documented during clinical trials and post-marketing surveillance are generally classified as follows:

  • Common (may affect up to 1 in 10 people): Headache, fatigue, and dry mouth.
  • Very Rare (may affect up to 1 in 10,000 people): Severe allergic reactions, including anaphylaxis and angioedema (swelling of the face, lips, mouth, tongue, or throat), which require immediate medical attention.
  • Other Very Rare or Frequency Not Known: Reactions affecting the nervous system (e.g., dizziness, somnolence, insomnia, hallucinations), the heart (e.g., tachycardia, palpitations), the liver (e.g., hepatitis, abnormal liver function tests), and the skin (e.g., rash, urticaria).

Serious and Clinically Significant Adverse Reactions

The most clinically significant adverse reactions officially documented include hypersensitivity reactions (such as anaphylaxis and angioedema), seizures, and hepatic events (including hepatitis, jaundice, and elevation of liver enzymes).

Population-Specific Safety Considerations

The established safety profile generally applies to the approved adult population. Specific monitoring or caution is advised in patients with a personal or family history of seizures, as this risk has been reported in post-marketing experience. Patients with pre-existing severe renal impairment should use the medicine with caution, as the drug's active metabolite is primarily excreted via the kidneys, which may necessitate careful attention to treatment duration or dose as determined by a healthcare professional.

High-Level Safety Monitoring

Regulatory documentation emphasizes continuous post-marketing surveillance (pharmacovigilance) to monitor for rare and serious adverse events. Due to the potential for hypersensitivity or hepatic reactions, any symptoms such as persistent fever, fatigue, or yellowing of the skin or eyes should be promptly evaluated to ensure patient safety. The risk structure is defined by the reporting standards of governmental bodies like the EMA and FDA.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information regarding Tamalis (Rupatadine) overdose focuses on clinical observations from high-dose studies and the potential for severe cardiovascular effects.

Domain Official Regulatory Statements
Documented Manifestations The most common adverse reaction observed following the administration of a supratherapeutic dose (100 mg daily) was somnolence (drowsiness).
Physiological Systems Affected The cardiovascular system is a primary concern due to the drug's association with QTc interval prolongation and post-market reports of Torsade de pointes.
Emergency Actions Required Individuals must seek immediate medical attention and contact a Poison Control Center right away if accidental ingestion of very high doses is suspected.
Treatment and Antidote Symptomatic treatment together with the required supportive measures should be provided, as no specific antidote is known.

Official Overdose Statements

  • Overdose primarily manifests as central nervous system depression, namely somnolence.
  • The most severe risk is associated with cardiac toxicity, particularly the potential for a fast or irregular heartbeat and QTc prolongation.
  • Monitoring requirements include cardiac monitoring in a hospital setting for large ingestions due to the cardiovascular risk profile.

Connection to the Overall Overdose Profile

Regulatory documents define the overdose profile by addressing both the common high-dose effect of somnolence and the critical, rare cardiovascular risk. This profile mandates that immediate action must be taken to seek medical help for any suspected ingestion of a very high dose, where treatment will focus on providing general support and necessary observation.

Therapeutic Uses of Tamalis

What Tamalis Treats: Main Uses and Benefits

Tamalis is an anti-allergic medication that is applied to provide symptomatic relief across key domains affected by hypersensitivity reactions. The primary therapeutic areas of use for this medication include managing Allergic Rhinitis (hay fever) and Chronic Spontaneous Urticaria (CSU). It is generally used to moderate distressing symptoms, offering supportive therapeutic benefit during periods of heightened discomfort.


Symptom Relief and Application

The medication is used for managing symptom clusters that may become intense or disruptive, such as persistent sneezing, runny nose, and nasal congestion, alongside pronounced pruritus (itching) and the appearance of wheals (hives) on the skin. It is commonly used across conditions presenting with systemic or localized discomfort in both seasonal and year-round presentations.

Applied in contexts where additional symptomatic support is needed, the medication may help patients cope more steadily with difficult episodes.

This characteristic supports a sense of stability when symptoms are more noticeable, providing supportive relief when symptoms interfere with routine activities.

Quick Fact: Symptomatic Support Focus
Tamalis is applied to ease the burden of generalized pruritus (itching) and the symptomatic manifestation of wheals associated with Chronic Spontaneous Urticaria.

Eligibility and Restrictions for Use

Tamalis (Rupatadine) use is strictly governed by specific population eligibility rules documented in official government labeling.

Populations Who Must Not Use Tamalis (Contraindicated)

Use is contraindicated for any individual with a known hypersensitivity to Rupatadine or to any of the product's excipients. Furthermore, the medicine is contraindicated in patients with a history of QT prolongation and/or torsade de pointes, or other specific cardiac arrhythmias, as stated in regulatory documentation.

Restricted and Non-Recommended Use

Regulatory bodies advise that use is not recommended in patients with impaired hepatic (liver) or renal (kidney) function due to a lack of clinical experience in these populations. Children under two years of age are also not recommended for treatment due to insufficient safety and efficacy data. The 10 mg tablet formulation is not recommended for children under 12 years.

Special Populations and Conditions

Tamalis should be used with caution in the elderly and in patients presenting with certain cardiac risk factors, such as uncorrected hypokalemia or ongoing proarrhythmic conditions. Use during pregnancy is preferable to avoid as a precautionary measure. For breastfeeding women, a decision to either discontinue nursing or discontinue therapy is required. Use is also restricted by excipient content for those with certain hereditary metabolic disorders.

What should I know about interactions with other medicines?

Pharmacokinetic Interaction Restrictions

The official regulatory profile for Tamalis (Rupatadine) is governed by its metabolism via the Cytochrome P450 isoenzyme CYP3A4. Rupatadine is metabolized by and acts as a mild inhibitor of CYP3A4.

Co-administration with Potent CYP3A4 Inhibitors, such as Ketoconazole or Itraconazole, is officially restricted because these agents cause a significant 10-fold increase in rupatadine's systemic exposure. Similarly, Moderate CYP3A4 Inhibitors, including Erythromycin or Fluconazole, result in a documented 2- to 3-fold increase in exposure. Additionally, Tamalis may increase the plasma concentration of co-administered sensitive CYP3A4 substrates, such as Simvastatin or Tacrolimus.

Pharmacodynamic and Substance Interactions

Due to the risk of additive effects, Rupatadine is restricted for co-administration with other QTc-prolonging drugs. When combined with alcohol (ethanol), particularly at higher doses, a documented increase in psychomotor performance impairment has been observed.

Specific Food and Beverage Restrictions:

  • Grapefruit Juice is prohibited from simultaneous intake, as it causes a 3.5-fold increase in rupatadine's systemic exposure.
  • General food intake increases systemic exposure by about 23%.

Caution is advised for elderly patients due to potential increased sensitivity. The oral solution formulation carries an interaction note regarding co-administration with alcohol dehydrogenase substrates in children due to the excipient propylene glycol.

Mechanism of Action

Tamalis (Rupatadine) functions as a dual-acting pharmacological agent, serving as an antagonist at both the histamine H1 receptors and the platelet-activating factor (PAF) receptors. This compound exhibits selective peripheral activity at the H1 receptor, competitively inhibiting the binding of endogenous histamine. Intracellularly, this blockade prevents the G q-mediated signaling cascade that normally follows histamine binding.

Simultaneously, Tamalis occupies and antagonizes the PAF receptor. The resulting inhibition of PAF's action modulates downstream inflammatory processes, which typically involve increased vascular permeability and leukocyte chemotaxis. Furthermore, Tamalis has been shown to inhibit the release of inflammatory mediators, including cytokines (e.g., tumor necrosis factor-alpha) from activated mast cells and monocytes, independent of its receptor antagonism. The overall system-level physiological consequence of this dual receptor blockade and mediator inhibition is the modulation of the tissue responses mediated by both histamine and PAF.

Dosage and Administration Information

Tamalis, which contains the active substance Rupatadine, is designed exclusively for oral administration across all approved patient groups. The standard administration pattern for this medicine is once daily (QD), reflecting a sustained systemic anti-allergic effect over a 24-hour period.


Standard Administration and Dosing

The dosage and formulation used are distinct for adults and children. Adults and adolescents aged 12 years and older typically use the 10 mg tablet taken once a day, which constitutes the standard therapeutic dose. For pediatric patients between 2 and 11 years of age, an oral solution formulated at 1 mg/mL is administered. The dose for children is determined by weight, with 2.5 mg (2.5 mL) once daily for children weighing 10 kg to less than 25 kg, and 5 mg (5 mL) once daily for those weighing 25 kg or more.


Contextual Instructions for Use

The 10 mg tablet or the oral solution may be taken with or without food. However, it is stated that the medicine should not be taken with grapefruit juice. If a scheduled daily dose is forgotten, the instruction is to take the missed dose as soon as possible, but without taking a double dose to compensate. Use in patients with known severe impairment of kidney or liver function is not recommended due to limited clinical experience in these specific patient populations. The duration of use is determined by the healthcare provider based on the clinical scenario.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Tamalis

The research base for Tamalis (Rupatadine) includes data relied upon by governmental and peer-reviewed sources. Research explored Tamalis in contexts involving fluctuating manifestations and was also evaluated in research exploring outcomes related to systemic or functional imbalance. This section provides an overview of what the research suggests so far, without making any claims about personal outcomes or advice.


Indication A: Conditions Presenting with Cycles of Stability and Flare-ups

Research examined Tamalis in studies exploring how symptoms change over time for conditions characterized by fluctuating or episodic manifestations (such as allergic rhinitis). These trials focused on periods of heightened symptom activity, monitoring patient-reported outcomes describing perceived discomfort.

Regulatory summaries of the pivotal trials reported measurements of combined symptom scores. In the observed populations, a temporary shift in the frequency of outcomes related to physical discomfort was observed in some studies during the defined time interval. Studies monitored symptom patterns, especially those related to short-term changes, though findings indicate that outcomes may vary significantly across individuals.

However, certainty remains low, and evidence is limited, particularly regarding long-term outcomes for this condition. The research highlights what is known—and what is still uncertain—as follow-up durations were limited in most of the initial trials.


Indication B: Outcomes Related to Systemic or Functional Imbalance

Tamalis was evaluated in studies examining outcomes related to systemic or functional imbalance, such as outcomes monitoring physiological strain or stress (e.g., chronic spontaneous urticaria). Findings indicate patterns related to how functional imbalance indicators evolved in the observed populations.

A key research limitation is that sample sizes were modest in some of the initial publications for this indication, and data for certain groups remain insufficient. The results apply only to the specific populations studied, and comparative evidence against other forms of management is lacking. Research highlights what is known — and what is still uncertain. Research remains ongoing to further investigate these evidence gaps.

Key Studies & References

  1. Efficacy and safety of rupatadine in the treatment of chronic spontaneous urticaria in children and adolescents

Frequently Asked Questions (FAQ)

Common questions about Tamalis (FAQ)

Q: Is Tamalis generally considered a sedating or non-sedating antihistamine?

According to official product information, the active substance Rupatadine is classified as a second-generation, non-sedating antihistamine. Official reports indicate that side effects common in clinical trials have included feelings of sleepiness, headache, and fatigue.


Q: How quickly can I expect to feel the effects of Tamalis after taking it?

Regulatory pharmacokinetic data indicates that the active ingredient is rapidly absorbed into the body after it is taken by mouth. The official data shows that the highest concentration of the active substance in the body is reached approximately 0.75 hours to 1 hour after intake.


Q: Can I take Tamalis if I am planning to drive or operate heavy machinery?

Official information states that when taken at the recommended dose, Tamalis is not expected to interfere with the ability to drive or use machinery. However, because side effects such as sleepiness or dizziness are possible, patients are generally advised to wait until they are aware of their individual reaction to the medicine before driving or operating heavy machinery.

How should Tamalis be stored and disposed of?

Storage and Disposal Requirements

The storage of Tamalis (Rupatadine fumarate) must adhere to specific regulatory conditions to ensure its stability.


Storage Conditions

Both the tablets and oral solution must be stored within a temperature range of 15, C to 30, C. The tablets must be kept in the original container and outer carton to protect the medicine from light. The product must always be stored out of the sight and reach of children.

Disposal Instructions

To dispose of unused or expired Tamalis, the product must not be thrown away via wastewater or household waste. Disposal must occur in accordance with local requirements. Patients should consult a pharmacist for guidance on proper collection and disposal to help protect the environment.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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