Pregablin
Generic Name: pregablin
Brand Names:
Pregablin
11 DESCRIPTION Pregabalin, USP is described chemically as ( S )-3-(aminomethyl)-5-methylhexanoic acid. The molecular formula is C 8 H 17 NO 2 and the molecular weight is 159.23. The chemical structure of pregabalin is: Pregabalin is a white to off-white, crystalline solid with a pK a1 of 4.2 and a pK a2 of 10.6. It is freely soluble in water and both basic and acidic aqueous solutions. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is - 1.35.
Overview
11 DESCRIPTION Pregabalin, USP is described chemically as ( S )-3-(aminomethyl)-5-methylhexanoic acid. The molecular formula is C 8 H 17 NO 2 and the molecular weight is 159.23. The chemical structure of pregabalin is: Pregabalin is a white to off-white, crystalline solid with a pK a1 of 4.2 and a pK a2 of 10.6. It is freely soluble in water and both basic and acidic aqueous solutions. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is - 1.35.
Uses
1 INDICATIONS AND USAGE Pregabalin capsules are indicated for: Management of neuropathic pain associated with diabetic peripheral neuropathy Management of postherpetic neuralgia Adjunctive therapy for the treatment of partial-onset seizures in patients 1 month of age and older Management of fibromyalgia Management of neuropathic pain associated with spinal cord injury Pregabalin capsules are indicated for: Neuropathic pain associated with diabetic peripheral neuropathy (DPN) ( 1 ) Postherpetic neuralgia (PHN) ( 1 ) Adjunctive therapy for the treatment of partial-onset seizures in patients 1 month of age and older ( 1 ) Fibromyalgia ( 1 ) Neuropathic pain associated with spinal cord injury ( 1 )
Dosage
2 DOSAGE AND ADMINISTRATION For adult indications, begin dosing at 150 mg/day. For partial-onset seizure dosing in pediatric patients 1 month of age and older, refer to section 2.4 . (2.2 , 2.3 , 2.4 , 2.5 , 2.6 ) Dosing recommendations: INDICATION Dosing Regimen Maximum Dose DPN Pain ( 2.2 ) 3 divided doses per day 300 mg/day within 1 week PHN ( 2.3 ) 2 or 3 divided doses per day 300 mg/day within 1 week. Maximum dose of 600 mg/day. Adjunctive Therapy for Partial-Onset Seizures in Pediatric and Adult Patients Weighing 30 kg or More (2.4 ) 2 or 3 divided doses per day Maximum dose of 600 mg/day.
Side Effects
6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in the labeling: Angioedema [see Warnings and Precautions ( 5.1 )] Hypersensitivity [see Warnings and Precautions ( 5.2 )] Suicidal Behavior and Ideation [see Warnings and Precautions ( 5.3 )] Increased Risk of Adverse Reactions with Abrupt or Rapid Discontinuation [see Warnings and Precautions ( 5.4 )] Respiratory Depression [see Warnings and Precautions ( 5.5 )] Dizziness and Somnolence [see Warnings and Precautions ( 5.6 )] Peripheral Edema [see Warnings and Precautions ( 5.7 )] Weight Gain [see Warnings and Precautions ( 5.8 )] Tumorigenic Potential [see Warnings and Precautions ( 5.9 )] Ophthalmological Effects [see Warnings and Precautions ( 5.10 )] Creatine Kinase Elevations [see Warnings and Precaut...
Interactions
7 DRUG INTERACTIONS Since pregabalin capsules are predominantly excreted unchanged in the urine, undergoes negligible metabolism in humans (less than 2% of a dose recovered in urine as metabolites), and does not bind to plasma proteins, its pharmacokinetics are unlikely to be affected by other agents through metabolic interactions or protein binding displacement. In vitro and in vivo studies showed that pregabalin capsules are unlikely to be involved in significant pharmacokinetic drug interactions. Specifically, there are no pharmacokinetic interactions between pregabalin and the following antiepileptic drugs: carbamazepine, valproic acid, lamotrigine, phenytoin, phenobarbital, and topiramate.
Warnings
5 WARNINGS AND PRECAUTIONS Angioedema (e.g., swelling of the throat, head and neck) can occur, and may be associated with life-threatening respiratory compromise requiring emergency treatment. Discontinue pregabalin capsules immediately in these cases. ( 5.1 ) Hypersensitivity reactions (e.g. hives, dyspnea, and wheezing) can occur. Discontinue pregabalin capsules immediately in these patients. ( 5.2 ) Antiepileptic drugs, including pregabalin, the active ingredient in pregabalin capsules increase the risk of suicidal thoughts or behavior. ( 5.3 ) Abrupt or rapid discontinuation may increase the risk for seizures. Withdrawal symptoms or suicidal behavior and ideation have been observed after discontinuation. Taper pregabalin capsules gradually over a minimum of 1 week. 4 CONTRAINDICATIONS Pregabalin capsules are contraindicated in patients with known hypersensitivity to pregabalin or any of its components. Angioedema and hypersensitivity reactions have occurred in patients receiving pregabalin therapy [see Warnings and Precautions ( 5.2 )]. Known hypersensitivity to pregabalin or any of its components. ( 4 )
Pregnancy
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to pregabalin capsules during pregnancy. To provide information regarding the effects of in utero exposure to pregabalin capsules, physicians are advised to recommend that pregnant patients taking pregabalin capsules enroll in the North American Antiepileptic Drug (NAAED) Pregnancy Registry. This can be done by calling the toll free number 1-888-233-2334, and must be done by patients themselves.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING 25 mg capsules: White/white, size '4' hard gelatin capsules imprinted with 'M1'on cap and '25mg' on body containing white colored powder. Bottles of 90: NDC 33342-165-10 50 mg capsules: White/white, size '3' hard gelatin capsules imprinted with 'M2' on cap and '50mg' on body containing white colored powder.
Frequently Asked Questions
What is Pregablin used for?▼
1 INDICATIONS AND USAGE Pregabalin capsules are indicated for: Management of neuropathic pain associated with diabetic peripheral neuropathy Management of postherpetic neuralgia Adjunctive therapy for the treatment of partial-onset seizures in patients 1 month of age and older Management of fibromyalgia Management of neuropathic pain associated with spinal cord injury Pregabalin capsules are indicated for: Neuropathic pain associated with diabetic peripheral neuropathy (DPN) ( 1 ) Postherpetic neuralgia (PHN) ( 1 ) Adjunctive therapy for the treatment of partial-onset seizures in patients 1 month of age and older ( 1 ) Fibromyalgia ( 1 ) Neuropathic pain associated with spinal cord injury ( 1 )
What are the side effects of Pregablin?▼
6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in the labeling: Angioedema [see Warnings and Precautions ( 5.1 )] Hypersensitivity [see Warnings and Precautions ( 5.2 )] Suicidal Behavior and Ideation [see Warnings and Precautions ( 5.3 )] Increased Risk of Adverse Reactions with Abrupt or Rapid Discontinuation [see Warnings and Precautions ( 5.4 )] Respiratory Depression [see Warnings and Precautions ( 5.5 )] Dizziness and Somnolence [see Warnings and Precautions ( 5.6 )] Peripheral Edema [see Warnings and Precautions ( 5.7 )] Weight Gain [see Warnings and Precautions ( 5.8 )] Tumorigenic Potential [see Warnings and Precautions ( 5.9 )] Ophthalmological Effects [see Warnings and Precautions ( 5.10 )] Creatine Kinase Elevations [see Warnings and Precaut...
Can I take Pregablin during pregnancy?▼
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to pregabalin capsules during pregnancy. To provide information regarding the effects of in utero exposure to pregabalin capsules, physicians are advised to recommend that pregnant patients taking pregabalin capsules enroll in the North American Antiepileptic Drug (NAAED) Pregnancy Registry. This can be done by calling the toll free number 1-888-233-2334, and must be done by patients themselves.
What are the important warnings for Pregablin?▼
5 WARNINGS AND PRECAUTIONS Angioedema (e.g., swelling of the throat, head and neck) can occur, and may be associated with life-threatening respiratory compromise requiring emergency treatment. Discontinue pregabalin capsules immediately in these cases. ( 5.1 ) Hypersensitivity reactions (e.g. hives, dyspnea, and wheezing) can occur. Discontinue pregabalin capsules immediately in these patients. ( 5.2 ) Antiepileptic drugs, including pregabalin, the active ingredient in pregabalin capsules increase the risk of suicidal thoughts or behavior. ( 5.3 ) Abrupt or rapid discontinuation may increase the risk for seizures. Withdrawal symptoms or suicidal behavior and ideation have been observed after discontinuation. Taper pregabalin capsules gradually over a minimum of 1 week. 4 CONTRAINDICATIONS Pregabalin capsules are contraindicated in patients with known hypersensitivity to pregabalin or any of its components. Angioedema and hypersensitivity reactions have occurred in patients receiving pregabalin therapy [see Warnings and Precautions ( 5.2 )]. Known hypersensitivity to pregabalin or any of its components. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.