Nhận Dạng Quốc Tế & Đặc Tính Hóa Học
Monoisotopic mass
266.178298714
InChI
InChI=1S/C18H22N2/c1-19-13-6-14-20-17-9-4-2-7-15(17)11-12-16-8-3-5-10-18(16)20/h2-5,7-10,19H,6,11-14H2,1H3
InChI Key
InChIKey=HCYAFALTSJYZDH-UHFFFAOYSA-N
IUPAC Name
(3-{2-azatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-yl}propyl)(methyl)amine
Traditional IUPAC Name
desipramine
SMILES
CNCCCN1C2=CC=CC=C2CCC2=CC=CC=C12
Độ hòa tan
58.6 mg/L (at 24 °C)
pKa (Strongest Basic)
10.02
Refractivity
85.31 m3·mol-1
Dược Lực Học :
Desipramine, a secondary amine tricyclic antidepressant, is structurally related to both the skeletal muscle relaxant cyclobenzaprine and the thioxanthene antipsychotics such as thiothixene. It is the active metabolite of imipramine, a tertiary amine TCA. The acute effects of desipramine include inhibition of noradrenaline re-uptake at noradrenergic nerve endings and inhibition of serotonin (5-hydroxy tryptamine, 5HT) re-uptake at the serotoninergic nerve endings in the central nervous system. Desipramine exhibits greater noradrenergic re-uptake inhibition compared to the tertiary amine TCA imipramine. In addition to inhibiting neurotransmitter re-uptake, desipramine down-regulates beta-adrenergic receptors in the cerebral cortex and sensitizes serotonergic receptors with chronic use. The overall effect is increased serotonergic transmission. Antidepressant effects are typically observed 2 - 4 weeks following the onset of therapy though some patients may require up to 8 weeks of therapy prior to symptom improvement. Patients experiencing more severe depressive episodes may respond quicker than those with mild depressive symptoms.
Cơ Chế Tác Dụng :
Desipramine hydrochloride is a dibenzazepine-derivative tricyclic antidepressant (TCA). TCAs are structurally similar to phenothiazines. They contain a tricyclic ring system with an alkyl amine substituent on the central ring. In non-depressed individuals, desipramine does not affect mood or arousal, but may cause sedation. In depressed individuals, desipramine exerts a positive effect on mood. TCAs are potent inhibitors of serotonin and norepinephrine reuptake. Secondary amine TCAs, such as desipramine and nortriptyline, are more potent inhibitors of norepinephrine reuptake than tertiary amine TCAs, such as amitriptyline and doxepine. TCAs also down-regulate cerebral cortical β-adrenergic receptors and sensitize post-synaptic serotonergic receptors with chronic use. The antidepressant effects of TCAs are thought to be due to an overall increase in serotonergic neurotransmission. TCAs also block histamine-H1 receptors, α1-adrenergic receptors and muscarinic receptors, which accounts for their sedative, hypotensive and anticholinergic effects (e.g. blurred vision, dry mouth, constipation, urinary retention), respectively. See toxicity section below for a complete listing of side effects. Desipramine exerts less anticholinergic and sedative side effects compared to tertiary amine TCAs, such as amitriptyline and clomipramine. Desipramine may be used to treat depression, neuropathic pain (unlabeled use), agitation and insomnia (unlabeled use) and attention-deficit hyperactivity disorder (unlabeled use).
Desipramine is a tricyclic antidepressant (TCA) that selectively blocks reuptake of norepinephrine (noradrenaline) from the neuronal synapse. It also inhibits serotonin reuptake, but to a lesser extent compared to tertiary amine TCAs such as imipramine. Inhibition of neurotransmitter reuptake increases stimulation of the post-synaptic neuron. Chronic use of desipramine also leads to down-regulation of beta-adrenergic receptors in the cerebral cortex and sensitization of serotonergic receptors. An overall increase in serotonergic transmission likely confers desipramine its antidepressant effects. Desipramine also possesses minor anticholinergic activity, through its affinity for muscarinic receptors. TCAs are believed to act by restoring normal levels of neurotransmitters via synaptic reuptake inhibition and by increasing serotonergic neurotransmission via serotonergic receptor sensitization in the central nervous system.
Dược Động Học :
▧ Absorption :
Desipramine hydrochloride is rapidly and almost completely absorbed from the gastrointestinal tract. It undergoes extensive first-pass metabolism. Peak plasma concentrations are attained 4 - 6 hours following oral administration.
▧ Protein binding :
73-92% bound to plasma proteins
▧ Metabolism :
Desipramine is extensively metabolized in the liver by CYP2D6 (major) and CYP1A2 (minor) to 2-hydroxydesipramine, an active metabolite. 2-hydroxydesipramine is thought to retain some amine reuptake inhibition and may possess cardiac depressant activity. The 2-hydroxylation metabolic pathway of desipramine is under genetic control.
▧ Route of Elimination :
Desipramine is metabolized in the liver, and approximately 70% is excreted in the urine.
▧ Half Life :
7-60+ hours; 70% eliminated renally
Độc Tính :
Male mice: LD50 = 290 mg/kg, female rats: LD50 = 320 mg/kg. Antagonism of the histamine H1 and α1 receptors can lead to sedation and hypotension. Antimuscarinic activity confers anticholinergic side effects such as blurred vision, dry mouth, constipation and urine retention may occur. Cardiotoxicity may occur with high doses of desipramine. Cardiovascular side effects in postural hypotension, tachycardia, hypertension, ECG changes and congestive heart failure. Psychotoxic effects include impaired memory and delirium. Induction of hypomanic or manic episodes may occur in patients with a history of bipolar disorder. Withdrawal symptoms include GI disturbances (e.g. nausea, vomiting, abdominal pain, diarrhea), anxiety, insomnia, nervousness, headache and malaise.
Chỉ Định :
For relief of symptoms in various depressive syndromes, especially endogenous depression. It has also been used to manage chronic peripheral neuropathic pain, as a second line agent for the management of anxiety disorders (e.g. panic disorder, generalized anxiety disorder), and as a second or third line agent in the ADHD management.
Tương Tác Thuốc :
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Altretamine
Risk of severe hypotension
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Artemether
Additive QTc-prolongation may occur. Concomitant therapy should be avoided.
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Atazanavir
Atazanavir may increase the effect and toxicity of the tricyclic antidepressant, desipramine, by decreasing its metabolism. Monitor for changes in the therapeutic and adverse effects of desipramine if atazanavir is initiated, discontinued or dose changed.
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Avanafil
Co-administration with avanafil resulted in an approximate 5.7% increase in AUC0-inf and 5.2% decrease in Cmax of rosiglitazone.
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Butabarbital
Barbiturates like butabarbital may increase the metabolism of tricyclic antidepressants like desipramine. Monitor for decreased therapeutic effects of tricyclic antidepressants if a barbiturate is initiated/dose increased, or increased effects if a barbiturate is discontinued/dose decreased. The tricyclic antidepressant dosage will likely need to be increased during concomitant barbiturate therapy, and reduced upon barbiturate discontinuation.
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Butalbital
Barbiturates such as butalbital may increase the metabolism of tricyclic antidepressants such as desipramine. Monitor for decreased therapeutic effects of tricyclic antidepressants if a barbiturate is initiated/dose increased, or increased effects if a barbiturate is discontinued/dose decreased. The tricyclic antidepressant dosage will likely need to be increased during concomitant barbiturate therapy, and reduced upon barbiturate discontinuation.
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Carbamazepine
Carbamazepine may decrease the serum concentration of the tricyclic antidepressant, desipramine, by increasing its metabolism. Monitor for changes in the therapeutic and adverse effects of desipramine if carbamazepine is initiated, discontinued or dose changed.
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Cimetidine
Cimetidine may increase the effect of the tricyclic antidepressant, desipramine, by decreasing its metabolism. Monitor for changes in the therapeutic and adverse effects of desipramine if cimetidine is initiated, discontinued or dose changed.
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Cisapride
Increased risk of cardiotoxicity and arrhythmias
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Clonidine
The tricyclic antidepressant, desipramine, decreases the effect of clonidine.
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Desvenlafaxine
Increased risk of serotonin syndrome. Monitor for symptoms of serotonin syndrome.
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Dihydroquinidine barbiturate
Dihydroquinidine barbiturate increases the effect of the tricyclic antidepressant, desipramine.
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Dobutamine
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of dobutamine.
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Donepezil
Possible antagonism of action
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Dopamine
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of dopamine.
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Duloxetine
Possible increase in the levels of this agent when used with duloxetine
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Ephedra
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of ephedra.
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Ephedrine
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of ephedrine.
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Epinephrine
Trimipramine may increase the vasopressor effect of the direct-acting alpha-/beta-agonist, Epinephrine. Avoid combination if possible. Monitor sympathetic response to therapy if used concomitantly.
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Fenoterol
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of fenoterol.
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Fluoxetine
The SSRI, fluoxetine, may increase the serum concentration of the tricyclic antidepressant, desipramine, by decreasing its metabolism. Additive modulation of serotonin activity also increases the risk of serotonin syndrome. Monitor for development of serotonin syndrome during concomitant therapy. Monitor for changes in the therapeutic and adverse effects of desipramine if fluoxetine is initiated, discontinued or dose changed.
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Fluvoxamine
The SSRI, fluvoxamine, may increase the serum concentration of the tricyclic antidepressant, desipramine, by decreasing its metabolism. Additive modulation of serotonin activity also increases the risk of serotonin syndrome. Monitor for development of serotonin syndrome during concomitant therapy. Monitor for changes in the therapeutic and adverse effects of desipramine if fluvoxamine is initiated, discontinued or dose changed.
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Galantamine
Possible antagonism of action
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Grepafloxacin
Increased risk of cardiotoxicity and arrhythmias
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Guanethidine
The tricyclic antidepressant, desipramine, decreases the effect of guanethidine.
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Indacaterol
Concomitant therapy with monoamine oxidase inhibitors, tricyclic antidepressants, or other drugs that prolong the QTc interval should be monitored closely. These drugs may potentiate the effect of adrenergic agonist on the cardiovascular system.
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Isocarboxazid
Possibility of severe adverse effects
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Isoprenaline
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of isoproterenol.
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Mephentermine
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of mephentermine.
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Metaraminol
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of metaraminol.
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Methoxamine
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of methoxamine.
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Mirabegron
Mirabegron is a moderate CYP2D6 inhibitor and may cause an increase in exposure of CYP2D6 substrates. Monitor concomitant therapy closely.
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Moclobemide
Possible severe adverse reaction with this combination
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Norepinephrine
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of norepinephrine.
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Orciprenaline
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of orciprenaline.
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Phenelzine
Possibility of severe adverse effects
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Phenylephrine
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of phenylephrine.
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Phenylpropanolamine
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of phenylpropanolamine.
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Pirbuterol
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of pirbuterol.
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Procaterol
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of procaterol.
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Pseudoephedrine
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of pseudoephedrine.
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Quinidine
Additive QTc-prolonging effects may occur. Quinidine may also increase the serum concentration of the tricyclic antidepressant, desipramine, by decreasing its metabolism. Monitor for changes in the therapeutic and adverse effects of desipramine if quinidine is initiated, discontinued or dose changed. Monitor for the development of torsades de pointes during concomitant therapy.
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Quinidine barbiturate
Quinidine barbiturate increases the effect of tricyclic antidepressant, desipramine.
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Rasagiline
Possibility of severe adverse effects
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Rifabutin
The rifamycin, rifabutin, may decrease the effect of the tricyclic antidepressant, desipramine, by increasing its metabolism. Monitor for changes in the therapeutic and adverse effects of desipramine if rifabutin is initiated, discontinued or dose changed.
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Rifampicin
The rifamycin, rifampin, may decrease the effect of the tricyclic antidepressant, desipramine, by increasing its metabolism. Monitor for changes in the therapeutic and adverse effects of desipramine if rifampin is initiated, discontinued or dose changed.
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Ritonavir
Ritonavir may increase the effect and toxicity of the tricyclic antidepressant, desipramine, by decreasing its metabolism. Monitor for changes in the therapeutic and adverse effects of desipramine if ritonavir if initiated, discontinued or dose changed.
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Rivastigmine
Possible antagonism of action
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Salbutamol
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of salbutamol.
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Sibutramine
Increased risk of CNS adverse effects
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Sparfloxacin
Increased risk of cardiotoxicity and arrhythmias
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Tacrine
The therapeutic effects of the central acetylcholinesterase inhibitor, Tacrine, and/or the anticholinergic, Desipramine, may be reduced due to antagonism. The interaction may be beneficial when the anticholinergic action is a side effect. Monitor for decreased efficacy of both agents.
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Tacrolimus
Additive QTc-prolongation may occur increasing the risk of serious ventricular arrhythmias. Concomitant therapy should be used with caution.
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Tamoxifen
Desipramine may decrease the therapeutic effect of Tamoxifen by decreasing the production of active metabolites. Consider alternate therapy.
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Tamsulosin
Desipramine, a CYP3A4/2D6 inhibitor, may decrease the metabolism and clearance of Tamsulosin, a CYP3A4/2D6 substrate. Monitor for changes in therapeutic/adverse effects of Tamsulosin if Desipramine is initiated, discontinued, or dose changed.
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Terbinafine
Terbinafine may increase the effect and toxicity of the tricyclic antidepressant, desipramine, by decreasing its metabolism. Consider alternate therapy or monitor for changes in the therapeutic and adverse effects of desipramine if terbinafine is initiated, discontinued or dose changed.
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Terbutaline
The tricyclic antidepressant, desipramine, increases the sympathomimetic effect of terbutaline.
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Terfenadine
Increased risk of cardiotoxicity and arrhythmias
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Thiothixene
May cause additive QTc-prolonging effects. Increased risk of ventricular arrhythmias. Consider alternate therapy. Thorough risk:benefit assessment is required prior to co-administration.
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Tipranavir
Tipranavir, co-administered with Ritonavir, may increase the concentration of Desipramine. Monitor Desipramine concentration and efficacy/toxicity and adjust dose as required.
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Tolterodine
Desipramine may decrease the metabolism and clearance of Tolterodine. Adjust Tolterodine dose and monitor for efficacy and toxicity.
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Toremifene
Additive QTc-prolongation may occur, increasing the risk of serious ventricular arrhythmias. Consider alternate therapy. A thorough risk:benefit assessment is required prior to co-administration.
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Tramadol
Tramadol increases the risk of serotonin syndrome and seizures. Desipramine may increase Tramadol toxicity by decreasing Tramadol metabolism and clearance. Desipramine may decrease the effect of Tramadol by decreasing active metabolite production.
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Tranylcypromine
Increased risk of serotonin syndrome. Concomitant therapy should be avoided. A significant washout period, dependent on the half-lives of the agents, should be employed between therapies.
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Trazodone
Increased risk of serotonin syndrome. Monitor for symptoms of serotonin syndrome.
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Trimipramine
Increased risk of serotonin syndrome. Monitor for symptoms of serotonin syndrome. Additive QTc-prolongation may also occur, increasing the risk of serious ventricular arrhythmias. Concomitant therapy should be used with caution.
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Triprolidine
Triprolidine and Desipramine, two anticholinergics, may cause additive anticholinergic effects and enhance their adverse/toxic effects. Additive CNS depressant effects may also occur. Monitor for enhanced anticholinergic and CNS depressant effects.
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Trospium
Trospium and Desipramine, two anticholinergics, may cause additive anticholinergic effects and enhanced adverse/toxic effects. Monitor for enhanced anticholinergic effects.
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Venlafaxine
Increased risk of serotonin syndrome. Monitor for symptoms of serotonin syndrome.
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Vilazodone
Monitor for toxic effects of tricyclic antidepressants if a selective serotonin reuptake inhibitor (SSRI) is initiated or the dose is increased. The influence of the SSRI may take several days or weeks to be fully realized or resolved.
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Voriconazole
Additive QTc prolongation may occur. Consider alternate therapy or monitor for QTc prolongation as this can lead to Torsade de Pointes (TdP).
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Vorinostat
Additive QTc prolongation may occur. Consider alternate therapy or monitor for QTc prolongation as this can lead to Torsade de Pointes (TdP).
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Ziprasidone
Additive QTc-prolonging effects may increase the risk of severe arrhythmias. Concomitant therapy is contraindicated.
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Zolmitriptan
Use of two serotonin modulators, such as zolmitriptan and desipramine, increases the risk of serotonin syndrome. Consider alternate therapy or monitor for serotonin syndrome during concomitant therapy.
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Zuclopenthixol
Additive QTc prolongation may occur. Consider alternate therapy or use caution and monitor for QTc prolongation as this can lead to Torsade de Pointes (TdP).
Liều Lượng & Cách Dùng :
Tablet - Oral - 10 mg, 25 mg, 50 mg, 75 mg, 100 mg, 150 mg
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Nhà Sản Xuất
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Sản phẩm biệt dược : Norpramin
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Sản phẩm biệt dược : Pertofran
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Sản phẩm biệt dược : Pertofrane
Tài Liệu Tham Khảo Thêm
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