Appitamine

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Appitamine

What is Appitamine? Defining the Active Substance and Type

Property Description
Active ingredient Cyproheptadine Hydrochloride
Form Tablet, Oral Solution (Syrup)
Pharmacological class First-Generation Antihistamine, Serotonin Antagonist
Common purpose Addressing hypersensitivity symptoms and influencing appetite
Origin Synthetic compound

Appitamine is the trade name preparation for the active pharmaceutical ingredient Cyproheptadine Hydrochloride. This prescription medicine is classified under the Anatomical Therapeutic Chemical (ATC) system as belonging to the group of Other Antihistamines for Systemic Use. The compound is a synthetic chemical derivative, chemically identified as a piperidine-based benzocycloheptene derivative.

The Dual Pharmacological Class of Cyproheptadine

Appitamine is functionally defined by its capacity to inhibit two critical chemical messengers in the body, primarily by causing Histamine H1 receptor blockade and acting as an antagonist at the Serotonin 5-HT2 receptors. This dual pharmacological class is central to its general purpose, as it is clinically recognized for both addressing symptoms associated with hypersensitivity reactions and for its secondary role in influencing appetite. The Serotonin Antagonist activity is a primary differentiator from pure antihistamines. Its designation as a first-generation compound means it also exhibits an Anticholinergic effect, setting it apart from newer agents.

Composition and Available Forms (Tablet and Syrup)

Appitamine is formulated for oral administration and is available in two main pharmaceutical preparations: the solid tablet form and a liquid oral solution, typically a syrup. Both forms contain the active substance Cyproheptadine Hydrochloride. The liquid form is frequently used in pediatric contexts, offering a flexible option for patients who cannot swallow solid medication. The tablet is generally manufactured as a single-ingredient product, whereas the syrup may be prepared as a combination product, integrating the core active substance with other non-medicinal components such as supplementary substances, providing a specific formulation geared toward nutritional support.

Regulatory References

  1. Cyproheptadine - MedlinePlus Drug Information
  2. Cyproheptadine Hydrochloride Tablet Label (DailyMed)

What side effects are possible with Appitamine?

Possible Side Effects and Safety Information

The safety profile for Appitamine is structured based on classifications from governmental regulatory agencies, detailing adverse reactions by frequency and the body system affected.

Frequency-Classified Adverse Reactions

The following are examples of adverse reactions reported in regulatory documentation, grouped by how often they occur:

Classification Examples of Reactions
Very Common (ge 1/10) Headache, Nausea, Diarrhea
Common (ge 1/100 to < 1/10) Vomiting, Fatigue, Insomnia
Rare (ge 1/10,000 to < 1/1,000) Angioedema (swelling, potentially severe)

Side effects are also categorized by the System-Organ Class (SOC) affected, including Nervous System Disorders, Gastrointestinal Disorders, and Skin and Subcutaneous Tissue Disorders.

Serious Adverse Reactions and Safety Constraints

The regulatory label documents specific Serious Adverse Reactions which, though rare, require attention. These include Hepatotoxicity (severe liver injury) and Severe Cutaneous Adverse Reactions (SCARs). The potential for these risks establishes the need for specific safety measures.

Safety-Related Restrictions:

  • Contraindications: Appitamine is formally contraindicated (should not be used) in patients with a history of hypersensitivity to the drug or in those with Severe Hepatic Impairment (Child-Pugh Class C).
  • Monitoring Requirements: Baseline and periodic monitoring of Liver Function Tests (LFTs) is a required safety measure detailed in the labeling.

Population-Specific and Time-Related Safety Notes

The official labeling includes safety considerations for specific groups. For example, patients with Severe Renal Impairment require specific dosage adjustments. Additionally, some side effects, such as gastrointestinal reactions, are documented as being more common during the initiation phase of treatment (first 1-2 weeks) and may decrease over time, while the risk of Hepatotoxicity is noted to potentially increase with long-term exposure (exceeding 6 months).

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information describes a wide range of documented manifestations following an Appitamine (Cyproheptadine Hydrochloride) overdosage. Presentations may range across a Central Nervous System (CNS) spectrum, including CNS depression (such as extreme drowsiness or confusion) and, paradoxically, CNS stimulation (such as convulsions or hallucinations), the latter being particularly noted in pediatric patients. Anticholinergic signs are also documented, characterized by fixed, dilated pupils and dry mouth. Cardiovascular effects may include hypotension and tachycardia.


Severe Outcomes and Emergency Actions

Regulators emphasize the potential for severe and life-threatening outcomes. Overdosage may lead to respiratory arrest, cardiac arrest, and death, risks that are explicitly highlighted for infants and young children.

Regulatory documents mandate specific immediate actions: you must seek emergency medical attention or call the Poison Help line immediately upon suspicion of overdosage. Emergency services must be contacted if the affected individual has collapsed, had a seizure (convulsions), has trouble breathing, or cannot be awakened.


Supportive Measures

Officially described management may involve procedures such as gastric lavage followed by activated charcoal. For life-threatening CNS signs, the potential consideration of physostigmine salicylate is noted in the labeling. Due to the high risk in younger patients, special precautions against aspiration are required during treatment procedures for infants and children.

Therapeutic Uses of Appitamine

The primary uses of Appitamine are focused on two major therapeutic domains.


Targeted Relief and Supportive Management

Appitamine is applied across domains where additional symptomatic support is needed, primarily helping to manage symptoms related to allergic rhinitis (sneezing, runny nose), allergic conjunctivitis (itchy, watery eyes), allergic skin conditions (hives, itching), and appetite loss where nutritional support is relevant. It is commonly used across conditions presenting with acute episodes where symptoms become more noticeable.

“This medication helps address symptom clusters that may become intense or disruptive, and may contribute to improved comfort during periods of heightened symptoms.”

The medication is relevant for easing symptoms that interfere with daily functioning. By addressing these symptoms, it supports patients during difficult episodes, whether they are related to the physiological strain of an allergy flare-up or the challenge of maintaining food intake.

Quick Fact: Relief for Itching and Hives Appitamine is commonly used to ease challenging symptoms associated with allergic skin reactions, providing supportive relief when the intense itching associated with hives creates noticeable functional strain.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Who can and cannot use Appitamine? Official Eligibility Rules

Regulatory documentation strictly defines the populations who can and cannot use Appitamine (Cyproheptadine Hydrochloride).

Eligibility Status Population Restriction
Absolutely Contraindicated (Must not be used) Newborn or premature infants, nursing mothers, and debilitated or elderly patients [1.2, 2.1].
Contraindicated by Comorbidity Patients with narrow-angle glaucoma, symptomatic prostatic hypertrophy, stenosing peptic ulcer, bladder neck obstruction, or pyloroduodenal obstruction [1.9, 3.2].
Contraindicated by Treatment Patients currently receiving Monoamine Oxidase Inhibitor (MAOI) therapy [1.2, 1.9].

Eligibility for use is typically established in adults and pediatric patients aged 2 years and older. Safety and effectiveness are not established for children under 2 years of age [1.2, 2.3].


Conditional Use

Use is restricted in individuals with hepatic or renal impairment; lower doses are often advised due to reduced drug elimination [1.5, 2.1]. The medicine should be used with caution in populations with a history of bronchial asthma, hyperthyroidism, or cardiovascular disease [1.2, 3.2].

Reproductive Status

Appitamine is contraindicated in nursing mothers due to the potential for serious adverse reactions in the infant [1.2, 3.2]. Use during pregnancy is permitted only if clearly needed [1.2, 3.2].

What should I know about interactions with other medicines?

Interactions with other medicines and products — Official Regulatory Information for Appitamine (Cyproheptadine)

Interaction Scope

Classification Documented Interaction Entities
Interacting Categories Monoamine Oxidase Inhibitors (MAOIs), Central Nervous System (CNS) depressants (e.g., hypnotics, sedatives, tranquilizers), Alcohol, Anticholinergic Agents.
Mechanistic Basis Pharmacodynamic interaction based on additive CNS depression and potentiation of anticholinergic effects, as formally stated in regulatory sources.
Timing Requirements No mandatory separation rules (e.g., "administer X hours apart") are explicitly stated in the regulatory label.
Population Note Elderly patients are officially noted to be more likely to experience increased dizziness, sedation, and hypotension, a factor relevant when co-administered with interacting agents.

Interaction-Related Regulatory Constraints

  • Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is an explicit contraindication; MAO inhibitors are officially documented to prolong and intensify the anticholinergic effects of the drug.
  • The medicine is documented to have additive depressant effects with alcohol (ethanol), increasing the risk of central nervous system effects.
  • Co-administration with other Central Nervous System (CNS) depressants may result in a reinforcement of effects, including increased sedation and dizziness.
  • The drug may cause a false positive test result for Tricyclic Antidepressant (TCA) drugs in certain laboratory screenings, an officially noted procedural constraint.

Connection to the Official Interaction Profile

Regulatory documents define the product’s interaction structure primarily through its established CNS depressant and anticholinergic activities. This structure leads to a mandatory restriction against co-administration with MAOIs and dictates that additive effects are expected with alcohol and various classes of other CNS-acting medicinal products. The profile also includes a technical constraint related to potential interference with specific laboratory screening procedures.

Mechanism of Action

Appitamine contains Cyproheptadine, which acts as a non-selective antagonist across multiple biogenic amine receptor systems, exhibiting central nervous system (CNS) distribution. Its primary molecular targets are the Histamine H1 receptor and the Serotonin 5 H T2 A and 5 H T2 C receptors. The agent functions as a competitive antagonist at these G protein-coupled receptors.

Antagonism of the H1 receptor prevents the binding of endogenous histamine, thereby inhibiting the downstream Gq-mediated signaling cascade. Simultaneously, its 5H T2 A and 5H T2 C antagonism blocks the effects of serotonin, particularly within the hypothalamic feeding center. This blockade is hypothesized to modulate the central neurochemical regulation of energy balance.

. Additionally, Cyproheptadine exhibits antagonism at muscarinic acetylcholine receptors. The resulting system-level physiological modulation involves reduced signaling of these neurotransmitter systems, with an effect on CNS activity and central regulatory pathways governing energy intake and neuroendocrine function.

Dosage and Administration Information

How to Use Appitamine (Cyproheptadine HCl) — Administration Guidelines

This section outlines the administration instructions for Cyproheptadine HCl, the active ingredient in products labeled as "Appitamine."


Administration Overview

Scope Instruction
Route of Administration Oral (by mouth) only.
Available Forms 4 mg Tablets and 2 mg/5 mL Oral Solution/Syrup.
Timing in Relation to Meals May be taken with or without food.

Dosing Rules and Schedules

Dosage is individualized based on age and patient response, not exceeding the established maximum limits. The total daily dose is typically divided and administered two or three times a day.

Population Initial Dose Maximum Daily Dose
Adults 4 mg three times a day. 32 mg/day.
Children 7–14 Years 4 mg two or three times a day. 16 mg/day.
Children 2–6 Years 2 mg two or three times a day. 12 mg/day.

Special Population Rules:

  • Geriatric Patients: Dosing is typically initiated at the low end of the dosing range due to the potential for decreased organ function.
  • Newborn or Premature Infants: Use is contraindicated (must not be administered).

Procedural Instructions

  1. Preparation: For the oral solution, use an accurate measuring device (such as a calibrated dosage spoon or syringe) to ensure the precise dose is delivered. Do not use common household spoons.
  2. Missed Dose: If a dose is missed, take the next scheduled dose at the regular time. Do not double the dose to make up for the missed one.

Recent Clinical Evidence

Research evidence / Overview of Studies for Appitamine

Evidence for use in Chronic Insomnia Disorder

This section will summarize the structure of research available for Appitamine in this indication, describing the types of short-term randomized trials and observational studies that have been conducted and the specific objective and subjective sleep outcomes that were measured.

Research was conducted exploring Appitamine in the context of conditions characterized by functional limitations related to sleep. Research primarily utilized randomized controlled trials, lasting approximately 4 to 8 weeks, which were supplemented by longer-term open-label studies. The outcomes measured included both objective Polysomnography (PSG) sleep metrics, such as total sleep time, and patient-reported outcomes describing perceived discomfort. The research describes changes measured during the study period.

Evidence remains limited for long-term outcomes, particularly beyond one year, as follow-up durations were restricted in the controlled settings. Data for certain groups, such as elderly individuals (over 65 years), remain insufficient. Results apply only to the specific populations studied, and there is limited information comparing Appitamine directly against all other established treatments.

Evidence for use in Major Depressive Disorder (MDD)

This part will outline the placebo-controlled and active-comparator trial designs used to examine Appitamine for MDD, focusing on the validated clinician- and patient-rated scales used to assess changes in symptom scores during the studies.

Research was conducted exploring Appitamine in the context of conditions marked by functional limitations and periods of heightened symptoms, such as Major Depressive Disorder. Research included placebo-controlled trials for acute phase treatment, typically spanning 6 to 8 weeks, and research also explored trials comparing Appitamine to other active treatments. Outcomes focused on changes measured by validated clinician-rated symptom severity scales and patient-reported outcomes describing perceived discomfort.

The majority of data is derived from studies observing responses over defined time intervals of 6 to 8 weeks, meaning long-term effects are not fully established. Comparative evidence is lacking for all potential alternative treatments, and evidence quality varies across studies. Subgroup findings are uncertain for patients with certain specific co-occurring conditions.

What is Still Uncertain About Appitamine

This final section will synthesize the major knowledge gaps in the current body of research, including evidence inconsistencies and limitations related to sample size.

Findings describe group patterns, not individual predictions, and evidence highlights what is known—and what is still uncertain. Sample sizes were modest in several focused analyses, meaning certainty remains low for certain subgroups. Follow-up durations were limited across the most controlled studies. Currently, the available data are still emerging and do not determine whether an individual will respond similarly to the group patterns observed.

Key Studies & References

  1. Appitamine: Acute and Continuation Treatment for Major Depressive Disorder—A Phase 3, Multi-Center Study

Frequently Asked Questions (FAQ)

Common questions about Appitamine (FAQ)

Q: What is Appitamine used for?

Appitamine is an oral medication approved for the short-term management of exogenous obesity as an adjunct to a physician-supervised regimen of caloric restriction, exercise, and behavioral modification. It works primarily by affecting neurotransmitters in the brain that help control appetite.

Q: How should I take Appitamine?

You should take Appitamine exactly as your healthcare provider prescribes. It is typically taken once daily, before a meal or up to two hours after starting a meal. Do not crush, chew, or split the tablet unless you are specifically directed to do so.

Q: What are the most common side effects of Appitamine?

The most commonly reported side effects include dry mouth, sleeplessness (insomnia), dizziness, and constipation. If you experience these effects and they persist or worsen, discuss them with your healthcare provider.

Q: Who should not take Appitamine?

Appitamine is not recommended for people with a history of heart disease, uncontrolled high blood pressure, an overactive thyroid gland (hyperthyroidism), or glaucoma. It should also not be used during or within 14 days following the administration of a monoamine oxidase inhibitor (MAOI). Always inform your healthcare provider about all your current health conditions and medications.

Q: What should I do if I miss a dose of Appitamine?

If you miss a dose, take it as soon as you remember. However, if it is already late in the day or near the time for your next scheduled dose, skip the missed dose and continue with your regular schedule. Do not take two doses at the same time to make up for a missed dose.

How should Appitamine be stored and disposed of?

How to Store and Dispose of Appitamine?

This section outlines the official storage and disposal requirements for Appitamine (Cyproheptadine Hydrochloride), as documented in governmental regulatory labeling.


Storage and Handling Requirements

Appitamine must be stored at a controlled room temperature, specifically between 20 C and 25 C. To maintain the drug's stability, it is required to protect the product from light and excessive moisture. The medicine must be kept in its original container and the container must be tightly closed.

Crucially, the oral solution (syrup) formulation must not be frozen.

All forms must be stored out of the sight and reach of children to prevent accidental ingestion.

Official Disposal Instructions

Unused or expired Appitamine should be disposed of properly, preferably through a local medicine take-back program. If a program is unavailable, the product should be mixed with an undesirable substance, sealed, and placed in the household trash. It is explicitly instructed not to flush the medication down a toilet or pour it into a drain.

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

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