BETHANECHOL CHLORIDE tablet
Bethanechol Chloride by
Drug Labeling and Warnings
Bethanechol Chloride by is a Prescription medication manufactured, distributed, or labeled by American Health Packaging. Drug facts, warnings, and ingredients follow.
Drug Details [pdf]
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DESCRIPTION
Bethanechol chloride, a cholinergic agent, is a synthetic ester which is structurally and pharmacologically related to acetylcholine.
It is designated chemically as 2-[(aminocarbonyl) oxy]- N,N,N-trimethyl-1-propanaminium chloride. Its molecular formula is C 7H 17CIN 2O 2 and its structural formula is:
Bethanechol chloride, USP is a white, hygroscopic crystalline powder having a slight amine-like odor, freely soluble in water, and has a molecular weight of 196.68.
Each tablet for oral administration contains 5 mg, 10 mg, 25 mg or 50 mg bethanechol chloride, USP. Bethanechol chloride Tablets, USP also contain the following inactive ingredients: anhydrous lactose, colloidal silicon dioxide, magnesium stearate, microcrystalline cellulose and sodium starch glycolate, Type A. The 25 mg and 50 mg tablets also contain D&C Yellow No.10 Aluminum Lake and FD&C Yellow No. 6 Aluminum Lake.
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CLINICAL PHARMACOLOGY
Bethanechol chloride acts principally by producing the effects of stimulation of the parasympathetic nervous system. It increases the tone of the detrusor urinae muscle, usually producing a contraction sufficiently strong to initiate micturition and empty the bladder. It stimulates gastric motility, increases gastric tone and often restores impaired rhythmic peristalsis.
Stimulation of the parasympathetic nervous system releases acetylcholine at the nerve endings. When spontaneous stimulation is reduced and therapeutic intervention is required, acetylcholine can be given, but it is rapidly hydrolyzed by cholinesterase and its effects are transient. Bethanechol chloride is not destroyed by cholinesterase and its effects are more prolonged than those of acetylcholine.
Effects on the GI and urinary tracts sometimes appear within 30 minutes after oral administration of bethanechol chloride, but more often 60 to 90 minutes are required to reach maximum effectiveness. Following oral administration, the usual duration of action of bethanechol chloride is one hour, although large doses (300 mg to 400 mg) have been reported to produce effects for up to six hours. Subcutaneous injection produces a more intense action on bladder muscle than does oral administration of the drug.
Because of the selective action of bethanechol chloride, nicotinic symptoms of cholinergic stimulation are usually absent or minimal when orally or subcutaneously administered in therapeutic doses, while muscarinic effects are prominent. Muscarinic effects usually occur within 5 to 15 minutes after subcutaneous injection, reach a maximum in 15 to 30 minutes, and disappear within two hours. Doses that stimulate micturition and defecation and increase peristalsis do not ordinarily stimulate ganglia or voluntary muscles. Therapeutic test doses in normal human subjects have little effect on heart rate, blood pressure or peripheral circulation.
Bethanechol chloride does not cross the blood-brain barrier because of its charged quaternary amine moiety. The metabolic rate and mode of excretion of the drug have not been elucidated.
A clinical study (Diokno, A.C.; Lapides, J.; Urol 10: 23 to 24, July 1977) was conducted on the relative effectiveness of oral and subcutaneous doses of bethanechol chloride on the stretch response of bladder muscle in patients with urinary retention. Results showed that 5 mg of the drug given subcutaneously stimulated a response that was more rapid in onset and of larger magnitude than an oral dose of 50 mg, 100 mg, or 200 mg. All the oral doses, however, had a longer duration of effect than the subcutaneous dose. Although the 50 mg oral dose caused little change in intravesical pressure in this study, this dose has been found in other studies to be clinically effective in the rehabilitation of patients with decompensated bladders.
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CONTRAINDICATIONS
Hypersensitivity to bethanechol chloride, hyperthyroidism, peptic ulcer, latent or active bronchial asthma, pronounced bradycardia or hypotension, vasomotor instability, coronary artery disease, epilepsy and parkinsonism.
Bethanechol chloride should not be employed when the strength or integrity of the gastrointestinal or bladder wall is in question, or in the presence of mechanical obstruction; when increased muscular activity of the gastrointestinal tract or urinary bladder might prove harmful, as following recent urinary bladder surgery, gastrointestinal resection and anastomosis, or when there is possible gastrointestinal obstruction; in bladder neck obstruction, spastic gastrointestinal disturbances, acute inflammatory lesions of the gastrointestinal tract, or peritonitis; or in marked vagotonia.
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PRECAUTIONS
General
In urinary retention, if the sphincter fails to relax as bethanechol chloride contracts the bladder, urine may be forced up the ureter into the kidney pelvis. If there is bacteriuria, this may cause reflux infection.
Information for Patients
Bethanechol chloride tablets should preferably be taken one hour before or two hours after meals to avoid nausea or vomiting. Dizziness, lightheadedness or fainting may occur, especially when getting up from a lying or sitting position.
Drug Interactions
Special care is required if this drug is given to patients receiving ganglion blocking compounds because a critical fall in blood pressure may occur. Usually, severe abdominal symptoms appear before there is such a fall in the blood pressure.
Carcinogenesis, Mutagenesis, Impairment of Fertility
Long-term studies in animals have not been performed to evaluate the effects upon fertility, mutagenic or carcinogenic potential of bethanechol chloride.
Pregnancy
Teratogenic Effects
Pregnancy Category C
Animal reproduction studies have not been conducted with bethanechol chloride. It is also not known whether bethanechol chloride can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Bethanechol chloride should be given to a pregnant woman only if clearly needed.Nursing Mothers
It is not known whether this drug is secreted in human milk. Because many drugs are secreted in human milk and because of the potential for serious adverse reactions from bethanechol chloride in nursing infants, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother.
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ADVERSE REACTIONS
Adverse reactions are rare following oral administration of bethanechol chloride, but are more common following subcutaneous injection. Adverse reactions are more likely to occur when dosage is increased.
The following adverse reactions have been observed:
Body as a Whole: malaise
Digestive: abdominal cramps or discomfort, colicky pain, nausea and belching, diarrhea, borborygmi, salivation
Renal: urinary urgency
Nervous System: headache
Cardiovascular: a fall in blood pressure with reflex tachycardia, vasomotor response
Skin: flushing producing a feeling of warmth, sensation of heat about the face, sweating
Respiratory: bronchial constriction, asthmatic attacks
Special Senses: lacrimation, miosis
Causal Relationship Unknown: The following adverse reactions have been reported, and a causal relationship to therapy with bethanechol chloride has not been established:
Body as a Whole: malaise
Nervous System: seizures
To report SUSPECTED ADVERSE REACTIONS, contact Amneal Pharmaceuticals at 1-877-835-5472 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
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OVERDOSAGE
Early signs of overdosage are abdominal discomfort, salivation, flushing of the skin (“hot feeling”), sweating, nausea, and vomiting.
Atropine Sulfate is a specific antidote. The recommended dose for adults is 0.6 mg. Repeat doses can be given every two hours, according to clinical response. The recommended dosage in infants and children up to 12 years of age is 0.01 mg/kg (to a maximum single dose of 0.4 mg) repeated every two hours as needed until the desired effect is obtained or adverse effects of atropine preclude further usage. Subcutaneous injection of atropine is preferred except in emergencies when the intravenous route may be employed.
The oral LD 50 of bethanechol chloride is 1,510 mg/kg in the mouse.
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DOSAGE AND ADMINISTRATION
Dosage must be individualized, depending on the type and severity of the condition to be treated.
Preferably give the drug when the stomach is empty. If taken soon after eating, nausea and vomiting may occur.
The usual adult oral dose ranges from 10 mg to 50 mg three or four times a day. The minimum effective dose is determined by giving 5 mg to 10 mg initially, and repeating the same amount at hourly intervals until satisfactory response occurs, or until a maximum of 50 mg has been given. The effects of the drug sometimes appear within 30 minutes, and are usually maximal within 60 to 90 minutes. The drug effects persist for about one hour.
If necessary, the effects of the drug can be abolished promptly by atropine (see OVERDOSAGE).
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HOW SUPPLIED
Bethanechol Chloride Tablets, USP, 10 mg are supplied as white, round, flat faced, bevelled tablets debossed with ‘AN’ above bisect and ‘572’ below bisect on one side and plain on the other side.
They are available as follows:
Unit dose packages of 100 (10 x 10) NDC: 60687-689-01Bethanechol Chloride Tablets, USP, 25 mg are supplied as yellow, round, flat faced, bevelled tablets debossed with ‘AN’ above bisect and ‘573’ below bisect on one side and plain on the other side.
They are available as follows:
Unit dose packages of 100 (10 x 10) NDC: 60687-700-01Store at 20° to 25°C (68° to 77°F); excursions permitted between 15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature].
FOR YOUR PROTECTION: Do not use if blister is torn or broken.
KEEP THIS AND ALL MEDICATIONS OUT OF THE REACH OF CHILDREN.
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PACKAGING INFORMATION
American Health Packaging unit dose blisters (see How Supplied section) contain drug product from Amneal Pharmaceuticals LLC as follows:
(10 mg / 100 UD) NDC: 60687-689-01 packaged from NDC: 53746-572
(25mg / 100 UD) NDC: 60687-700-01 packaged from NDC: 53746-573Distributed by:
American Health Packaging
Columbus, OH 432178468901/0622F
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Package/Label Display Panel – Carton – 10 mg
NDC 60687- 689-01
Bethanechol
Chloride Tablets, USP10 mg
100 Tablets (10 x 10) Rx Only
Each Tablet Contains:
Bethanechol Chloride, USP......................................................10 mgUsual Dosage: See full prescribing information.
Store at 20° to 25°C (68° to 77°F); excursions permitted between
15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature].FOR YOUR PROTECTION: Do not use if blister is torn or broken.
The drug product contained in this package is from
NDC # 53746-572, Amneal Pharmaceuticals LLC.Distributed by: American Health Packaging, Columbus, Ohio 43217
768901
0468901/1124 - Package/Label Display Panel – Blister – 10 mg
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Package/Label Display Panel – Carton – 25 mg
NDC 60687- 700-01
Bethanechol
Chloride Tablets, USP25 mg
100 Tablets (10 x 10) Rx Only
Each Tablet Contains:
Bethanechol Chloride, USP......................................................25 mgUsual Dosage: See full prescribing information.
Store at 20° to 25°C (68° to 77°F); excursions permitted between
15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature].FOR YOUR PROTECTION: Do not use if blister is torn or broken.
The drug product contained in this package is from
NDC # 53746-573, Amneal Pharmaceuticals LLC.Distributed by: American Health Packaging, Columbus, Ohio 43217
770001
0470001/1124 - Package/Label Display Panel – Blister – 25mg
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INGREDIENTS AND APPEARANCE
BETHANECHOL CHLORIDE
bethanechol chloride tabletProduct Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC: 60687-689(NDC:53746-572) Route of Administration ORAL Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength BETHANECHOL CHLORIDE (UNII: H4QBZ2LO84) (BETHANECHOL - UNII:004F72P8F4) BETHANECHOL CHLORIDE 10 mg Inactive Ingredients Ingredient Name Strength ANHYDROUS LACTOSE (UNII: 3SY5LH9PMK) SILICON DIOXIDE (UNII: ETJ7Z6XBU4) MAGNESIUM STEARATE (UNII: 70097M6I30) MICROCRYSTALLINE CELLULOSE (UNII: OP1R32D61U) SODIUM STARCH GLYCOLATE TYPE A POTATO (UNII: 5856J3G2A2) Product Characteristics Color white Score 2 pieces Shape ROUND Size 11mm Flavor Imprint Code AN;572 Contains Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC: 60687-689-01 100 in 1 CARTON 08/17/2022 1 NDC: 60687-689-11 1 in 1 BLISTER PACK; Type 0: Not a Combination Product 
Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA040855 08/17/2022 BETHANECHOL CHLORIDE
bethanechol chloride tabletProduct Information Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC: 60687-700(NDC:53746-573) Route of Administration ORAL Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength BETHANECHOL CHLORIDE (UNII: H4QBZ2LO84) (BETHANECHOL - UNII:004F72P8F4) BETHANECHOL CHLORIDE 25 mg Inactive Ingredients Ingredient Name Strength ANHYDROUS LACTOSE (UNII: 3SY5LH9PMK) SILICON DIOXIDE (UNII: ETJ7Z6XBU4) MAGNESIUM STEARATE (UNII: 70097M6I30) MICROCRYSTALLINE CELLULOSE (UNII: OP1R32D61U) SODIUM STARCH GLYCOLATE TYPE A POTATO (UNII: 5856J3G2A2) D&C YELLOW NO. 10 (UNII: 35SW5USQ3G) FD&C YELLOW NO. 6 (UNII: H77VEI93A8) Product Characteristics Color yellow Score 2 pieces Shape ROUND Size 11mm Flavor Imprint Code AN;573 Contains Packaging # Item Code Package Description Marketing Start Date Marketing End Date 1 NDC: 60687-700-01 100 in 1 CARTON 12/15/2022 1 NDC: 60687-700-11 1 in 1 BLISTER PACK; Type 0: Not a Combination Product 
Marketing Information Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date ANDA ANDA040855 12/15/2022 Labeler - American Health Packaging (929561009) Establishment Name Address ID/FEI Business Operations American Health Packaging 929561009 repack(60687-689, 60687-700)
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