Deslet

Deslet Uses, Dosage, Side Effects, Food Interaction and all others data.

Deslet is a long-acting, tricyclic, non-sedating, selective peripheral histamine H1-receptor antagonist which inhibits the release of pro-inflammatory mediators from human mast cells and basophils.

Deslet is a long-acting second-generation H1-receptor antagonist which has a selective and peripheral H1-antagonist action. Histamine is a chemical that causes many of the signs that are part of allergic reactions, such as the swelling of tissues. Histamine is released from histamine-storing cells (mast cells) and attaches to other cells that have receptors for histamine. The attachment of the histamine to the receptors causes the cell to be "activated," releasing other chemicals which produce the effects that we associate with allergies. Deslet blocks one type of receptor for histamine (the H1 receptor) and thus prevents activation of cells by histamine. Unlike most other antihistamines, Deslet does not enter the brain from the blood and, therefore, does not cause drowsiness.

Trade Name Deslet
Availability Prescription only
Generic Desloratadine
Desloratadine Other Names Descarboethoxyloratadine, Desloratadina, Desloratadine
Related Drugs prednisone, cetirizine, loratadine, fluticasone nasal, promethazine, diphenhydramine, Zyrtec, Xolair
Weight 2.5mg/5ml
Type Syrup
Formula C19H19ClN2
Weight Average: 310.821
Monoisotopic: 310.123676325
Protein binding

Desloratadine is bound approximately 82 to 87% to plasma proteins, while its active metabolite, 3-hydroxydesloratadine, is bound approximately 85 to 89%.

Groups Approved, Investigational
Therapeutic Class Non-sedating antihistamines
Manufacturer Efroze Chemical Industries (pvt) Ltd,
Available Country Pakistan
Last Updated: September 19, 2023 at 7:00 am
Deslet
Deslet

Uses

Allergic Rhinitis: Deslet is used for the relief of the nasal and non-nasal symptoms of allergic rhinitis (Both seasonal and perennial) in patients 2 years of age and older.

Chronic Idiopathic Urticaria: Deslet is also used for the symptomatic relief of pruritus, reduction in the number of hives, and size of hives, in patients with chronic idiopathic urticaria 2 years of age and older.

Deslet is also used to associated treatment for these conditions: Allergic Rhinitis (AR), Asthma, Chronic Idiopathic Urticaria, Common Cold, Nasal Congestion, Perennial Allergic Rhinitis (PAR), Seasonal Allergic Rhinitis, Nasal symptoms, Non-nasal symptoms, Antihistamine

How Deslet works

Like other H1-blockers, Deslet competes with free histamine for binding at H1-receptors in the GI tract, uterus, large blood vessels, and bronchial smooth muscle. This blocks the action of endogenous histamine, which subsequently leads to temporary relief of the negative symptoms (eg. nasal congestion, watery eyes) brought on by histamine.

Dosage

Deslet dosage

Pediatric drops :

  • Child 6 -11 months of age: 2 ml drops once daily
  • Child 1 -2 years of age: 2.5 ml drops once daily

Syrup:

  • Child 6-11 months of age: 2 ml once daily
  • Child 1-5 years of age: 2.5 ml once daily
  • Child 6-11 years of age: 5 ml once daily
  • Adults & > 12 years of age: 10 ml once daily

Tablet:

  • Adults and children 12 years of age and over: 5 mg daily

Side Effects

Deslet is generally well tolerated. However, dry mouth, fatigue, somnolence and myalgia are commonly reported side-effects. Less common side-effects may include dizziness, headache and nausea. Rarely rash, pruritus and urticaria may occur.

Toxicity

Information regarding desloratadine overdose is limited, although somnolence has been reported. In case of overdose, symptomatic and supportive treatment, including removing the unabsorbed drug, is recommended; note, however, that desloratadine and its active metabolite 3-hydroxydesloratadine cannot be eliminated by hemodialysis.

In animal studies, lethality was observed at or above doses of 250 mg/kg in rats and of 353 mg/kg in mice (oral LD50), doses that represent 120 and 290 times the human exposure based on the recommended daily oral dose. In monkey, no deaths occurred at doses up to 250 mg/kg, representing an exposure roughly 810 times that of the recommended dose in humans.

Precaution

Hepatic and renal impairment. Pregnancy and lactation.

Interaction

Concomitant administration of Erythromycin, Ketoconazole, Azithromycin, Fluoxetine, and Cimetidine with Deslet increased the plasma concentration of Deslet. But there were no clinically relevant changes in the safety profile of Deslet.

Food Interaction

  • Take with or without food. The absorption is unaffected by food.

Deslet Disease Interaction

Moderate: asthma, renal/hepatic impairment

Elimination Route

Deslet administered orally for ten days to healthy volunteers as a 5 mg tablet once daily resulted in a mean Tmax of approximately 3 hours, a mean steady-state Cmax of 4 ng/ml, and a mean steady-state AUC of 56.9 ng*hr/ml. A similar profile was observed using 10 ml of an oral solution containing 5 mg of desloratadine. Food was found not to affect desloratadine absorption.

Half Life

Deslet has a mean plasma elimination half-life of approximately 27 hours.

Elimination Route

Approximately 87% of a C-desloratadine dose was equally recovered in urine and feces as metabolic products.

Pregnancy & Breastfeeding use

Pregnancy: There are no adequate and well-controlled studies in pregnant women. Because animal reproduction studies are not always predictive of human response, Deslet should be used in pregnancy only if clearly needed.

Lactation: Deslet passes into breast milk. Therefore, a decision should be made whether to discontinue nursing or to discontinue Deslet, taking into account the importance of the drug to the mother.

Contraindication

Deslet is contraindicated in patient having hypersensitivity to this medication or to any of its ingredients or Loratadine.

Special Warning

Paediatric Use: The safety and effectiveness of Deslet in pediatric patients under 2 years of age have not been established.

Geriatric Use: In general, dose selection for an elderly patient should be cautious, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy.

In adult patients with liver or renal impairment: A starting dose of one 5 mg tablet every other day is recommended based on pharmacokinetic data.

Acute Overdose

No clinically relevant adverse events have been reported in case of overdosage. However, in the event of overdosage, symptomatic and supportive treatment is recommended.

Storage Condition

Store in a cool and dry place, protected from light.

Innovators Monograph

You find simplified version here Deslet

Deslet contains Desloratadine see full prescribing information from innovator Deslet Monograph, Deslet MSDS, Deslet FDA label

FAQ

What is Deslet used for?

Deslet is an antihistamine used to relieve allergy symptoms such as watery eyes, runny nose, itching eyes/nose, sneezing, hives, and itching. Deslet is used to treat allergies. It is an active metabolite of loratadine. It is used to relieve the symptoms of hay fever and hives of the skin.

How safe is Deslet?

Deslet is a safe and effective treatment for allergic diseases.

How does Deslet work?

Deslet works by blocking histamine, a substance in the body that causes allergic symptoms.

What are the common side effects of Deslet?

Common side effects of Deslet are include:

  • headache.
  • nausea.
  • diarrhea.
  • dizziness.
  • sore throat.
  • dry mouth.
  • muscle pain.
  • extreme tiredness

Is Deslet safe during pregnancy?

As such these findings provide reassurance by indicating that the fetal safety of Deslet is similar to the currently recommended antihistamines during pregnancy and thus Deslet can be considered to be another option for use during pregnancy.

Is Deslet safe during breastfeeding?

Considering the minimal exposure of a nursing infant to the drugs through breast milk, maternal use of Deslet dose is unlikely to result in adverse effects in nursing infants and is considered to be compatible with breastfeeding.

Can I drink alcohol with Deslet?

Deslet alone or in combination with alcohol was safe and well tolerated.

Can I drive after taking Deslet?

Do not drive and do not use tools or machines.

When should be taken of Deslet?

You can take Deslet before or after meals.

Can I take Deslet every day?

The recommended dose of Deslet tablets is one 5 mg tablet once daily.

How long does Deslet take to work?

Deslet is also use to relieve the symptoms of allergic skin conditions  such as skin itch and hives. Deslet usually starts to work within 75 minutes and lasts for 24 hours.

What is the half-life of Deslet ?

The 27-hour half-life of Deslet permits once daily administration.

How long can I take Deslet for?

You can limit treatment to 14 days.

Can I take Deslet for a long time?

Deslet is unlikely to do you any harm if you take it for a long time. However, it's best to take it only for as long as you need to. It's best not to drink alcohol while you're taking Deslet, as it can make you feel sleepy.

Who should not take Deslet?

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

What happens if I miss a dose?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happen if I overdose of Deslet?

tiredness. sleepiness. menstrual pain. Increased sleepiness or tiredness can happen if you take more Deslet than your doctor prescribed to you.

Can Deslet cause infertility?

Deslet is not expected to cause other pregnancy problems.

Does Deslet increase blood pressure?

The decongestant in Deslet  and pseudoephedrine may cause blood pressure to increase and may also speed up the heart rate.

Can Deslet affects my kidney?

Older patients are more likely to have kidney or liver problems which may make them more sensitive to the effects of Deslet. Your doctor may give you a different Deslet dose if you have kidney or liver problems.

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